Apache
Grouped by Kin Score band and ranked by composite score within each, with the separate agent-readiness score alongside. Click the scores on any row to open the full facet and dimension breakdown behind both numbers, and click again to close it.
search
67 providers
Developing 13 39.3 – 54.2 Real signal across most facets with visible, nameable gaps.
1
Apache APISIX Developing agent aware
Apache APISIX is a dynamic, real-time, high-performance cloud-native API gateway built on NGINX and etcd, developed by the Apache Software Foundation. It sup...
Composite
47.5
Agent
19.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 47.5/100 · developing
Contract Quality
15.5 / 25
Developer Ergonomics
8.1 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
3.5 / 12
Discoverability
6.7 / 10
Agent readiness — 20/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
2
Apache Airflow Developing agent ready
Apache Airflow is an open-source platform to programmatically author, schedule, and monitor workflows, developed by the Apache Software Foundation. It allows...
Composite
46.7
Agent
30.2
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 46.7/100 · developing
Contract Quality
14.9 / 25
Developer Ergonomics
11.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
4.0 / 12
Discoverability
5.9 / 10
Agent readiness — 30/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth negotiable
7.5 / 10
Idempotency
0 / 9
Stable Error Semantics documented
4.0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity documented
3.0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
3
Apache OFBiz Developing agent aware
Apache OFBiz is an open-source enterprise resource planning (ERP) system providing a suite of integrated business applications for CRM, e-commerce, supply ch...
Composite
46.5
Agent
24.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 46.5/100 · developing
Contract Quality
17.1 / 25
Developer Ergonomics
8.6 / 20
Access Clarity
5.3 / 20
Operational Transparency
4.8 / 13
Contract Governance
1.6 / 12
Discoverability
5.9 / 10
Agent readiness — 25/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
4
Apache Iceberg Developing agent native
Apache Iceberg is an open table format for large analytic datasets that provides ACID transactions, schema evolution, hidden partitioning, and time travel. I...
Composite
44.9
Agent
39.9
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 44.9/100 · developing
Contract Quality
15.4 / 25
Developer Ergonomics
8.1 / 20
Access Clarity
5.3 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 40/100 · agent native
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth negotiable
7.5 / 10
Idempotency
9.0 / 9
Stable Error Semantics
8.0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
5
Apache Nutch Developing agent aware
Apache Nutch is a highly extensible and scalable open-source web crawler software project built on Apache Hadoop data structures for batch processing. It pro...
Composite
44.1
Agent
22.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 44.1/100 · developing
Contract Quality
16.8 / 25
Developer Ergonomics
9.0 / 20
Access Clarity
5.3 / 20
Operational Transparency
4.8 / 13
Contract Governance
1.6 / 12
Discoverability
5.9 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
6
Apache Tomcat Developing agent aware
Apache Tomcat is an open-source implementation of the Jakarta Servlet, Jakarta Server Pages, and other Jakarta EE technologies, providing a pure Java HTTP we...
Composite
44.0
Agent
22.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 44.0/100 · developing
Contract Quality
13.7 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
5.1 / 13
Contract Governance
8.4 / 12
Discoverability
5.9 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
7
Apache Airflow Developing agent ready
Apache Airflow is an open-source platform to programmatically author, schedule, and monitor workflows. Airflow uses directed acyclic graphs (DAGs) to manage ...
Composite
43.8
Agent
29.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 43.8/100 · developing
Contract Quality
13.7 / 25
Developer Ergonomics
13.8 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.8 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 30/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility documented
2.4 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
8.0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
8
Apache Dubbo Developing agent aware
Apache Dubbo is a high-performance, Java-based open-source RPC framework that provides service discovery, traffic management, and observability capabilities ...
Composite
41.9
Agent
23.0
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 41.9/100 · developing
Contract Quality
11.9 / 25
Developer Ergonomics
6.2 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 23/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
8.0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
9
Apache Doris Developing human only
Apache Doris is a high-performance, real-time analytical database based on MPP (Massively Parallel Processing) architecture, governed by the Apache Software ...
Composite
41.4
Agent
3.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 41.4/100 · developing
Contract Quality
7.7 / 25
Developer Ergonomics
11.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
1.2 / 12
Discoverability
6.7 / 10
Agent readiness — 4/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples documented
1.8 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
10
Apache Druid Developing agent aware
Apache Druid is a high-performance, real-time analytics database governed by the Apache Software Foundation, designed for fast slice-and-dice OLAP queries on...
Composite
40.8
Agent
18.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 40.8/100 · developing
Contract Quality
13.1 / 25
Developer Ergonomics
9.5 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.0 / 12
Discoverability
5.9 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples documented
1.8 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
11
Apache Helix Developing agent aware
Apache Helix is a generic cluster management framework for partitioned and replicated distributed resources. It automates partition management, replication, ...
Composite
40.5
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 40.5/100 · developing
Contract Quality
13.6 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
12
Apache HBase Developing agent aware
Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigtable. It provides random, real-time read/write acc...
Composite
40.3
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 40.3/100 · developing
Contract Quality
13.4 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
13
Apache CloudStack Developing agent aware
Apache CloudStack is an open-source cloud computing platform developed by the Apache Software Foundation for creating, managing, and deploying infrastructure...
Composite
39.5
Agent
24.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 39.5/100 · developing
Contract Quality
5.2 / 25
Developer Ergonomics
7.6 / 20
Access Clarity
5.3 / 20
Operational Transparency
4.8 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 25/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
Thin 38 26.2 – 39.2 Limited machine-readable signal beyond documentation a human can read.
14
Apache CouchDB Thin agent ready
Apache CouchDB is an open-source distributed document-oriented NoSQL database governed by the Apache Software Foundation. It uses JSON for data storage, a RE...
Composite
39.0
Agent
31.7
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 39.0/100 · thin
Contract Quality
9.5 / 25
Developer Ergonomics
15.2 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
1.6 / 12
Discoverability
5.9 / 10
Agent readiness — 32/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
8.0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface derived
1.5 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
15
Apache HttpComponents Thin agent aware
Apache HttpComponents is a set of Java HTTP components, including a feature-rich HTTP client (HttpClient 5.x) and HTTP server components. It provides connect...
Composite
36.6
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 36.6/100 · thin
Contract Quality
13.6 / 25
Developer Ergonomics
6.2 / 20
Access Clarity
3.2 / 20
Operational Transparency
2.7 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
16
Apache Geode Thin agent aware
Apache Geode is an in-memory data management platform that provides real-time, consistent access to data-intensive applications throughout widely distributed...
Composite
36.3
Agent
19.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 36.3/100 · thin
Contract Quality
13.6 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Regulatory · Energy & Utilities
3.5 / 15
Agent readiness — 20/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
17
Apache ActiveMQ Thin agent ready
Apache ActiveMQ is an open-source, high-performance message broker written in Java, developed by the Apache Software Foundation. It implements the Jakarta Me...
Composite
36.2
Agent
30.6
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 36.2/100 · thin
Contract Quality
4.3 / 25
Developer Ergonomics
7.6 / 20
Access Clarity
5.3 / 20
Operational Transparency
4.8 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 31/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
8.0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
18
Apache Cordova Thin human only
Apache Cordova is an open-source mobile development framework governed by the Apache Software Foundation that enables developers to build mobile applications...
Composite
36.2
Agent
3.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 36.2/100 · thin
Contract Quality
8.7 / 25
Developer Ergonomics
13.8 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
1.2 / 12
Discoverability
5.9 / 10
Agent readiness — 4/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples documented
1.8 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
19
Apache Hive Thin agent aware
Apache Hive is a data warehouse software that facilitates reading, writing, and managing large datasets residing in distributed storage using SQL. It provide...
Composite
36.1
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 36.1/100 · thin
Contract Quality
13.6 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
3.2 / 20
Operational Transparency
2.7 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
20
Apache Oozie Thin agent aware
Apache Oozie is a workflow scheduler system for managing Apache Hadoop jobs. It enables users to define workflows as directed acyclic graphs (DAGs) of action...
Composite
35.8
Agent
22.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 35.8/100 · thin
Contract Quality
15.3 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
5.3 / 20
Operational Transparency
3.4 / 13
Contract Governance
1.6 / 12
Discoverability
5.9 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
21
Apache Software Foundation Thin agent aware
APIs for the Apache Software Foundation (ASF), a nonprofit organization that supports the development of open-source software projects under the Apache Licen...
Composite
35.7
Agent
25.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 35.7/100 · thin
Contract Quality
15.0 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
5.7 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 26/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
6 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
9 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
4 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
22
Subversion Thin agent aware
Apache Subversion (SVN) is a centralized version control system that tracks changes to files and directories over time. It supports atomic commits, directory...
Composite
35.6
Agent
19.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 35.6/100 · thin
Contract Quality
14.6 / 25
Developer Ergonomics
7.1 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.1 / 13
Contract Governance
1.6 / 12
Discoverability
5.9 / 10
Agent readiness — 20/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
23
Apache Hudi Thin agent aware
Apache Hudi is a data lake platform that provides incremental data processing primitives including upserts and incremental queries. It manages storage of lar...
Composite
35.4
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 35.4/100 · thin
Contract Quality
12.8 / 25
Developer Ergonomics
6.2 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
24
Apache CXF Thin human only
Apache CXF is an open-source Java services framework governed by the Apache Software Foundation that helps build and develop web services using JAX-WS (SOAP)...
Composite
35.3
Agent
3.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 35.3/100 · thin
Contract Quality
7.7 / 25
Developer Ergonomics
11.0 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
1.2 / 12
Discoverability
5.9 / 10
Agent readiness — 4/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples documented
1.8 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
25
Apache Ranger Thin agent aware
Apache Ranger is a framework to enable, monitor, and manage comprehensive data security across the Hadoop platform. It provides centralized security administ...
Composite
34.6
Agent
19.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 34.6/100 · thin
Contract Quality
15.3 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Regulatory · Insurance
5.2 / 15
Agent readiness — 20/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
26
Apache DolphinScheduler Thin human only
Apache DolphinScheduler is a modern distributed and extensible data orchestration platform governed by the Apache Software Foundation. It provides a DAG-base...
Composite
34.4
Agent
3.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 34.4/100 · thin
Contract Quality
8.7 / 25
Developer Ergonomics
3.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
4.8 / 13
Contract Governance
1.2 / 12
Discoverability
5.9 / 10
Agent readiness — 4/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples documented
1.8 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
27
Apache EventMesh Thin agent aware
Apache EventMesh is a dynamic event-driven application runtime used to decouple the application and backend middleware layer, providing a serverless platform...
Composite
34.4
Agent
18.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 34.4/100 · thin
Contract Quality
14.4 / 25
Developer Ergonomics
3.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 18/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface derived
1.5 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
28
Apache HTTP Server Thin agent aware
Apache HTTP Server (httpd) is the world's most widely used web server software. It serves static and dynamic content, acts as a reverse proxy and load balanc...
Composite
34.4
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 34.4/100 · thin
Contract Quality
13.1 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
2.7 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
29
Apache Curator Thin human only
Apache Curator is a Java/JVM client library for Apache ZooKeeper, governed by the Apache Software Foundation, that provides a high-level API framework, fluen...
Composite
34.0
Agent
3.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 34.0/100 · thin
Contract Quality
8.7 / 25
Developer Ergonomics
11.0 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
1.2 / 12
Discoverability
5.9 / 10
Agent readiness — 4/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples documented
1.8 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
30
Apache Guacamole Thin agent aware
Apache Guacamole is a clientless remote desktop gateway that supports standard protocols like VNC, RDP, and SSH. It requires no plugins or client software an...
Composite
33.5
Agent
22.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 33.5/100 · thin
Contract Quality
14.6 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
31
Apache Cassandra Thin agent aware
Apache Cassandra is a highly scalable, distributed open-source NoSQL database designed to handle massive amounts of data across many commodity servers, provi...
Composite
32.7
Agent
19.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 32.7/100 · thin
Contract Quality
11.7 / 25
Developer Ergonomics
6.7 / 20
Access Clarity
5.3 / 20
Operational Transparency
3.1 / 13
Contract Governance
0.0 / 12
Discoverability
5.9 / 10
Agent readiness — 20/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
32
Apache BookKeeper Thin agent aware
Apache BookKeeper is a scalable, fault-tolerant, and low-latency storage service optimized for real-time workloads developed by the Apache Software Foundatio...
Composite
32.5
Agent
22.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 32.5/100 · thin
Contract Quality
5.0 / 25
Developer Ergonomics
5.2 / 20
Access Clarity
5.3 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
33
Apache Camel Thin human only
Apache Camel is an open-source integration framework developed by the Apache Software Foundation that implements Enterprise Integration Patterns (EIPs) for c...
Composite
31.7
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 31.7/100 · thin
Contract Quality
0.0 / 25
Developer Ergonomics
8.6 / 20
Access Clarity
5.3 / 20
Operational Transparency
4.8 / 13
Contract Governance
1.8 / 12
Discoverability
6.5 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
34
Apache Flink Thin agent aware
Apache Flink is a framework and distributed processing engine for stateful computations over unbounded and bounded data streams. It provides a REST API for j...
Composite
31.5
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 31.5/100 · thin
Contract Quality
13.3 / 25
Developer Ergonomics
3.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
35
Apache OpenMeetings Thin agent aware
Apache OpenMeetings is a web conferencing and collaboration tool that provides video conferencing, instant messaging, white board, collaborative document edi...
Composite
31.5
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 31.5/100 · thin
Contract Quality
13.3 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
36
Apache Flume Thin agent aware
Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log and event data. It pr...
Composite
31.2
Agent
25.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 31.2/100 · thin
Contract Quality
13.8 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
0.0 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 26/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
6 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
9 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
4 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
37
Apache Pulsar Thin agent aware
Apache Pulsar is a cloud-native, distributed messaging and streaming platform that provides server-to-server messaging with multi-tenancy, high performance, ...
Composite
30.7
Agent
18.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 30.7/100 · thin
Contract Quality
14.4 / 25
Developer Ergonomics
2.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 18/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface derived
1.5 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
38
Apache Giraph Thin agent aware
Apache Giraph is an iterative graph processing system built for high scalability on Apache Hadoop. It is modeled after Google's Pregel and provides a simple ...
Composite
30.6
Agent
22.9
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 30.6/100 · thin
Contract Quality
14.1 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
0.0 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 23/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
6 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
9 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
4 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
39
Apache Arrow Thin human only
Apache Arrow is a cross-language development platform for in-memory analytics developed by the Apache Software Foundation. It specifies a standardized, langu...
Composite
29.6
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.6/100 · thin
Contract Quality
0.0 / 25
Developer Ergonomics
10.5 / 20
Access Clarity
5.3 / 20
Operational Transparency
3.4 / 13
Contract Governance
0.0 / 12
Discoverability
6.5 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
40
Apache SeaTunnel Thin agent aware
Apache SeaTunnel is a high-performance, distributed data integration platform that supports real-time and batch data synchronization. It provides a connector...
Composite
29.6
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.6/100 · thin
Contract Quality
13.4 / 25
Developer Ergonomics
2.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
41
Apache Samza Thin agent aware
Apache Samza is a distributed stream processing framework that provides a simple API for building stateful stream processing applications. It integrates with...
Composite
29.4
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.4/100 · thin
Contract Quality
13.1 / 25
Developer Ergonomics
2.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
42
Apache Shiro Thin agent aware
Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management. It prov...
Composite
29.4
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.4/100 · thin
Contract Quality
13.1 / 25
Developer Ergonomics
2.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
43
Apache Atlas Thin agent ready
Apache Atlas is a scalable and extensible set of core foundational data governance services developed by the Apache Software Foundation. It enables enterpris...
Composite
29.2
Agent
30.6
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.2/100 · thin
Contract Quality
5.3 / 25
Developer Ergonomics
5.2 / 20
Access Clarity
5.3 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 31/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
8.0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
44
Apache Beam Thin human only
Apache Beam is a unified, open-source programming model developed by the Apache Software Foundation for defining both batch and streaming data processing pip...
Composite
29.1
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.1/100 · thin
Contract Quality
0.0 / 25
Developer Ergonomics
10.5 / 20
Access Clarity
5.3 / 20
Operational Transparency
3.4 / 13
Contract Governance
0.0 / 12
Discoverability
5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
45
Apache POI Thin agent aware
Apache POI is a Java API for manipulating various file formats based upon the Office Open XML standards (OOXML) and Microsoft's OLE2 Compound Document format...
Composite
29.0
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.0/100 · thin
Contract Quality
13.2 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
46
Apache RocketMQ Thin agent aware
Apache RocketMQ is a distributed messaging and streaming platform with low latency, high performance, and reliability. It provides trillion-level message cap...
Composite
29.0
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 29.0/100 · thin
Contract Quality
13.2 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
47
Apache ServiceMix Thin agent aware
Apache ServiceMix is a flexible, open-source integration container that unifies the features and functionality of Apache ActiveMQ, Camel, CXF, and Karaf into...
Composite
28.9
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 28.9/100 · thin
Contract Quality
13.1 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
48
Apache ShardingSphere Thin agent aware
Apache ShardingSphere is an open-source ecosystem for distributed database systems providing data sharding, distributed transactions, and database governance...
Composite
28.9
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 28.9/100 · thin
Contract Quality
13.1 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
49
Apache Calcite Thin human only
Apache Calcite is a dynamic data management framework developed by the Apache Software Foundation that provides SQL parsing, query planning and optimization,...
Composite
28.8
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 28.8/100 · thin
Contract Quality
0.0 / 25
Developer Ergonomics
8.1 / 20
Access Clarity
5.3 / 20
Operational Transparency
4.8 / 13
Contract Governance
1.8 / 12
Discoverability
6.5 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
50
Apache Derby Thin human only
Apache Derby is an open-source relational database implemented entirely in Java, formerly governed by the Apache Software Foundation (retired October 2025). ...
Composite
28.8
Agent
3.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 28.8/100 · thin
Contract Quality
7.7 / 25
Developer Ergonomics
9.5 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
1.2 / 12
Discoverability
5.9 / 10
Agent readiness — 4/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples documented
1.8 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
51
Apache Thrift Thin human only
Apache Thrift is a cross-language RPC framework originally developed at Facebook for scalable cross-language services development. It provides a lightweight,...
Composite
26.4
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 26.4/100 · thin
Contract Quality
5.7 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.4 / 13
Contract Governance
3.0 / 12
Discoverability
6.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
Emerging 14 11 – 26.1 More than an index entry but still mostly links rather than artifacts.
52
Apache Ant Emerging human only
Apache Ant is a Java-based build tool and library developed by the Apache Software Foundation, used to automate software build processes. It uses XML-based b...
Composite
24.1
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 24.1/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
8.1 / 20
Access Clarity
5.3 / 20
Operational Transparency
4.8 / 13
Contract Governance
0.0 / 12
Discoverability
5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
53
Apache OpenNLP Emerging agent aware
Apache OpenNLP is a machine learning based toolkit for the processing of natural language text. It supports common NLP tasks such as tokenization, sentence s...
Composite
24.0
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 24.0/100 · emerging
Contract Quality
4.8 / 25
Developer Ergonomics
4.8 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
54
Apache OpenWhisk Emerging agent aware
Apache OpenWhisk is an open-source serverless cloud platform that executes functions in response to events at any scale. It supports multiple programming lan...
Composite
23.9
Agent
22.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 23.9/100 · emerging
Contract Quality
5.1 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
55
Apache Pinot Emerging agent aware
Apache Pinot is a real-time distributed OLAP datastore designed to deliver scalable real-time analytics with low latency. It ingests data from batch and stre...
Composite
21.9
Agent
19.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 21.9/100 · emerging
Contract Quality
4.8 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
7.2 / 10
Agent readiness — 20/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
56
Apache ORC Emerging agent aware
Apache ORC is a self-describing, type-aware columnar file format designed for Hadoop workloads. It provides high compression ratios and fast read performance...
Composite
21.7
Agent
19.8
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 21.7/100 · emerging
Contract Quality
4.8 / 25
Developer Ergonomics
2.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 20/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
57
Apache PDFBox Emerging agent aware
Apache PDFBox is an open-source Java library for working with PDF documents. It allows creation of new PDF documents, manipulation of existing documents, and...
Composite
21.6
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 21.6/100 · emerging
Contract Quality
4.8 / 25
Developer Ergonomics
2.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
6.5 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
58
Apache Ozone Emerging agent aware
Apache Ozone is a scalable, redundant, and distributed object store optimized for big data workloads. It provides an S3-compatible interface and a Hadoop-com...
Composite
21.2
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 21.2/100 · emerging
Contract Quality
4.9 / 25
Developer Ergonomics
2.4 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
59
Apache Pig Emerging agent aware
Apache Pig is a platform for analyzing large data sets that provides a high-level language (Pig Latin) for expressing data analysis programs. It compiles Pig...
Composite
20.6
Agent
17.3
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 20.6/100 · emerging
Contract Quality
4.8 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.5 / 12
Discoverability
5.9 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
60
Apache Log4j Emerging human only
Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist deployment for various ...
Composite
19.1
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 19.1/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
3.2 / 20
Operational Transparency
5.1 / 13
Contract Governance
0.0 / 12
Discoverability
5.9 / 10
Regulatory · Education & Research
3.3 / 15
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
61
Apache Software Foundation Emerging human only
The Apache Software Foundation (ASF) is a 501(c)(3) nonprofit organization that provides open source software for the public good. Home to more than 300 open...
Composite
18.3
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 18.3/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
5.7 / 20
Access Clarity
5.3 / 20
Operational Transparency
1.4 / 13
Contract Governance
0.0 / 12
Discoverability
5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
62
Apache Parquet Emerging human only
APIs and tools for working with Apache Parquet, the open source columnar storage format for efficient analytics workloads. This index covers the format speci...
Composite
18.1
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 18.1/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
3.8 / 20
Access Clarity
3.2 / 20
Operational Transparency
3.8 / 13
Contract Governance
0.0 / 12
Discoverability
7.4 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
63
Apache Avro Emerging human only
Apache Avro is a data serialization system that provides rich data structures, a compact binary format, and container files for storing persistent data. Avro...
Composite
17.4
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 17.4/100 · emerging
Contract Quality
2.0 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
3.2 / 20
Operational Transparency
1.4 / 13
Contract Governance
3.0 / 12
Discoverability
5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
64
Apache Groovy Emerging human only
Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at im...
Composite
17.4
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 17.4/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
4.3 / 20
Access Clarity
5.3 / 20
Operational Transparency
1.4 / 13
Contract Governance
0.0 / 12
Discoverability
6.5 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
65
PredictionIO Emerging human only
Apache PredictionIO is an open source machine learning server that lets developers and data scientists build, deploy, and serve predictive engines as web ser...
Composite
16.8
Agent
2.5
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 16.8/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
9.5 / 20
Access Clarity
0.0 / 20
Operational Transparency
1.4 / 13
Contract Governance
0.0 / 12
Discoverability
5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling
0 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
Minimal 2 0 – 10.9 Index entry only; little beyond a description and a link.
66
mod_perl Minimal human only
mod_perl is an Apache HTTP Server module that embeds a Perl interpreter into the Apache web server, enabling high-performance Perl-based web applications and...
Composite
5.7
Agent
0.0
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 5.7/100 · minimal
Contract Quality
0.0 / 25
Developer Ergonomics
1.9 / 20
Access Clarity
0.0 / 20
Operational Transparency
0.7 / 13
Contract Governance
0.0 / 12
Discoverability
3.2 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling
0 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5
67
Mod_tcl Minimal human only
mod_tcl is an Apache HTTP Server module that embeds a Tcl interpreter into the Apache web server, enabling Tcl-based web application development and scriptin...
Composite
3.9
Agent
0.0
Kin Score
How this is scored →scored 2026-09-03 · rubric v0.18.2
Composite quality — 3.9/100 · minimal
Contract Quality
0.0 / 25
Developer Ergonomics
0.0 / 20
Access Clarity
0.0 / 20
Operational Transparency
0.0 / 13
Contract Governance
0.0 / 12
Discoverability
3.9 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract
0 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
0 / 12
Machine-Readable Auth
0 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling
0 / 7
Typed Event Surface
0 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
0 / 6
Protected Resource Metadata
0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Surface
0 / 5