API Documentation
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.
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28 providers
Exemplar 3 66.5+ Reference-quality API operations across every facet.
1
Redocly Exemplar agent ready Hosted Documentation Platforms
Redocly is a company that specializes in API documentation and governance tooling. Their platform helps organizations create, manage, and publish API documen...
Composite
79.7
Agent
30.9
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 79.7/100 · exemplar
Contract Quality
15.8 / 25
Developer Ergonomics
14.3 / 20
0 / 0
Operational Transparency
12.0 / 13
0 / 0
Discoverability
7.2 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
6.3 / 15
Agent readiness — 31/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server platform
3.0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics derived
1.0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface derived
1.5 / 6
Agent Skills
5 / 5
Well-Known Catalog
4 / 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 Well-Known Document
0 / 5
2
Archbee Exemplar agent ready Hosted Documentation Platforms
Archbee is a documentation and knowledge-portal platform for software teams. It creates, manages and publishes technical documentation, API references and in...
Composite
70.9
Agent
58.5
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 70.9/100 · exemplar
Contract Quality
13.1 / 25
Developer Ergonomics
15.5 / 20
0 / 0
Operational Transparency
6.5 / 13
0 / 0
Discoverability
8.0 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
6.8 / 15
Agent readiness — 59/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
12.0 / 12
Machine-Readable Auth served
9.0 / 10
Idempotency
0 / 9
Stable Error Semantics derived
1.0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
6 / 6
Agent Skills derived
1.3 / 5
Well-Known Catalog
4 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Delegated User Identity
6.0 / 6
Protected Resource Metadata
5.0 / 5
Registration Without a Human
6 / 6
Agentic Commerce Well-Known Document
0 / 5
3
Stoplight Exemplar agent ready Hosted Documentation Platforms
Stoplight is a collaborative, design-first API platform providing a visual editor for OpenAPI specifications, interactive hosted documentation, automatic moc...
Composite
70.4
Agent
29.7
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 70.4/100 · exemplar
Contract Quality
13.9 / 25
Developer Ergonomics
16.1 / 20
0 / 0
Operational Transparency
5.8 / 13
0 / 0
Discoverability
6.5 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
5.3 / 15
Agent readiness — 30/100 · agent ready
Machine-Readable Contract
18 / 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
8.0 / 8
Request/Response Examples
7.0 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills derived
1.3 / 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 Well-Known Document
0 / 5
Strong 2 54.3 – 66.4 Solid contracts, transparent operations, and an easy start.
4
DeveloperHub Strong agent ready Hosted Documentation Platforms
DeveloperHub is a hosted developer documentation platform that enables teams to create beautiful API references, user guides, and knowledge bases. It feature...
Composite
57.5
Agent
61.9
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 57.5/100 · strong
Contract Quality
12.8 / 25
Developer Ergonomics
6.5 / 20
0 / 0
Operational Transparency
8.9 / 13
0 / 0
Discoverability
7.5 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
6.0 / 15
Agent readiness — 62/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
12.0 / 12
Machine-Readable Auth served
9.0 / 10
Idempotency documented
4.5 / 9
Stable Error Semantics
8.0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling
7.0 / 7
Typed Event Surface
0 / 6
Agent Skills unknown
4.5 / 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
6.0 / 6
Protected Resource Metadata
5.0 / 5
Registration Without a Human
6 / 6
Agentic Commerce Well-Known Document
0 / 5
5
Zeroheight Strong agent ready Hosted Documentation Platforms
zeroheight is a design system platform where teams document components, patterns, guidelines and design tokens in a styleguide, then deliver that documentati...
Composite
56.3
Agent
49.1
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 56.3/100 · strong
Contract Quality
3.6 / 25
Developer Ergonomics
15.1 / 20
0 / 0
Operational Transparency
5.1 / 13
0 / 0
Discoverability
7.5 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
5.9 / 15
Agent readiness — 49/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract
0 / 10
Documented Reversibility
0 / 6
MCP Server
12.0 / 12
Machine-Readable Auth served
9.0 / 10
Idempotency
0 / 9
Stable Error Semantics documented
4.0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling
7.0 / 7
Typed Event Surface
0 / 6
Agent Skills derived
1.3 / 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
6.0 / 6
Protected Resource Metadata
5.0 / 5
Registration Without a Human
6 / 6
Agentic Commerce Well-Known Document
0 / 5
Developing 8 39.3 – 54.2 Real signal across most facets with visible, nameable gaps.
6
GitBook Developing agent ready Hosted Documentation Platforms
GitBook is a documentation and knowledge platform, positioned as "the knowledge layer for AI", that connects a company's docs, product and users, answers use...
Composite
52.9
Agent
47.4
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 52.9/100 · developing
Contract Quality
17.1 / 25
Developer Ergonomics
10.0 / 20
0 / 0
Operational Transparency
5.5 / 13
0 / 0
Discoverability
6.0 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
3.7 / 15
Agent readiness — 47/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility documented
2.4 / 6
MCP Server
12.0 / 12
Machine-Readable Auth served
9.0 / 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
6.0 / 6
Protected Resource Metadata
5.0 / 5
Registration Without a Human
6 / 6
Agentic Commerce Well-Known Document
0 / 5
7
ReadMe Developing agent aware Hosted Documentation Platforms
ReadMe is a developer hub platform that helps companies design, document, and operate their APIs. The platform combines hosted API reference (OpenAPI-driven)...
Composite
51.1
Agent
27.6
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 51.1/100 · developing
Contract Quality
15.1 / 25
Developer Ergonomics
10.5 / 20
0 / 0
Operational Transparency
4.4 / 13
0 / 0
Discoverability
6.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
3.4 / 15
Agent readiness — 28/100 · agent aware
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
12.0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling derived
0.9 / 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 Well-Known Document
0 / 5
8
Mintlify Developing agent ready Hosted Documentation Platforms
Mintlify is an AI-native intelligent documentation platform designed for the next generation of technical documentation, combining beautiful out-of-the-box d...
Composite
50.5
Agent
35.3
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 50.5/100 · developing
Contract Quality
11.0 / 25
Developer Ergonomics
9.6 / 20
0 / 0
Operational Transparency
7.2 / 13
0 / 0
Discoverability
6.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
4.2 / 15
Agent readiness — 35/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
12.0 / 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 unknown
4.5 / 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
5.0 / 5
Registration Without a Human
0 / 6
Agentic Commerce Well-Known Document
0 / 5
9
SwaggerHub Developing agent aware Hosted Documentation Platforms
SwaggerHub is SmartBear's enterprise collaborative API design and documentation platform built around the OpenAPI specification. It provides tools for design...
Composite
50.0
Agent
19.8
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 50.0/100 · developing
Contract Quality
13.6 / 25
Developer Ergonomics
13.8 / 20
0 / 0
Operational Transparency
3.4 / 13
0 / 0
Discoverability
6.6 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
3.1 / 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 Well-Known Document
0 / 5
10
Scalar Developing agent ready API Reference Renderers
Scalar is an open-source API platform built around the OpenAPI standard. It provides API documentation (API References), an offline-first API client, a centr...
Composite
49.1
Agent
37.2
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 49.1/100 · developing
Contract Quality
13.7 / 25
Developer Ergonomics
11.4 / 20
0 / 0
Operational Transparency
3.4 / 13
0 / 0
Discoverability
6.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
4.1 / 15
Agent readiness — 37/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility documented
2.4 / 6
MCP Server
12.0 / 12
Machine-Readable Auth bearer
3.5 / 10
Idempotency
0 / 9
Stable Error Semantics
8.0 / 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 Well-Known Document
0 / 5
11
Bump.sh Developing agent ready Hosted Documentation Platforms
Bump.sh is "the modern API doc platform" — automatic, diff-aware documentation for OpenAPI and AsyncAPI specifications, plus a managed Model Context Protocol...
Composite
48.9
Agent
41.0
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 48.9/100 · developing
Contract Quality
14.7 / 25
Developer Ergonomics
8.8 / 20
0 / 0
Operational Transparency
4.4 / 13
0 / 0
Discoverability
7.5 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
3.4 / 15
Agent readiness — 41/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract derived
2.5 / 10
Documented Reversibility
0 / 6
MCP Server
12.0 / 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
6 / 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 Well-Known Document
0 / 5
12
Apiary Developing agent aware Hosted Documentation Platforms
Apiary is an API design and documentation platform, now part of Oracle Cloud Infrastructure. With 486,000+ users and 591,000+ APIs managed, it uses API Bluep...
Composite
43.9
Agent
27.2
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 43.9/100 · developing
Contract Quality
5.0 / 25
Developer Ergonomics
13.5 / 20
0 / 0
Operational Transparency
5.1 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
3.7 / 15
Agent readiness — 27/100 · agent aware
Machine-Readable Contract
18 / 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
8.0 / 8
Request/Response Examples partial
3.5 / 7
Rate-Limit Signaling documented
3.5 / 7
Typed Event Surface
0 / 6
Agent Skills derived
1.3 / 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 Well-Known Document
0 / 5
13
Theneo Developing agent aware Hosted Documentation Platforms
Beautiful, up-to-date docs without the effort. Theneo is an AI-native API documentation and developer portal platform that auto-generates interactive docs fr...
Composite
43.7
Agent
23.7
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 43.7/100 · developing
Contract Quality
15.3 / 25
Developer Ergonomics
6.4 / 20
0 / 0
Operational Transparency
3.1 / 13
0 / 0
Discoverability
6.6 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
3.0 / 15
Agent readiness — 24/100 · 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
8.0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling derived
0.9 / 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 Well-Known Document
0 / 5
Thin 6 26.2 – 39.2 Limited machine-readable signal beyond documentation a human can read.
14
Document360 Thin agent aware Hosted Documentation Platforms
Document360 is a SaaS knowledge base platform that allows teams to create, manage, and publish self-service knowledge bases and documentation portals. It sup...
Composite
38.5
Agent
19.8
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 38.5/100 · thin
Contract Quality
15.8 / 25
Developer Ergonomics
7.4 / 20
0 / 0
Operational Transparency
1.4 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
3.2 / 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 Well-Known Document
0 / 5
15
RapiDoc Thin agent aware API Reference Renderers
RapiDoc is a web component that allows developers to easily integrate interactive documentation for their APIs. It provides a user-friendly interface for exp...
Composite
31.8
Agent
22.9
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 31.8/100 · thin
Contract Quality
14.5 / 25
Developer Ergonomics
4.3 / 20
0 / 0
Operational Transparency
3.8 / 13
0 / 0
Discoverability
4.8 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 15
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 Well-Known Document
0 / 5
16
Doctave Thin agent aware Hosted Documentation Platforms
Doctave is a platform for building modern technical documentation sites. Bring your guides, your API references and SDK documentation, and build developer po...
Composite
31.1
Agent
19.8
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 31.1/100 · thin
Contract Quality
14.3 / 25
Developer Ergonomics
4.8 / 20
0 / 0
Operational Transparency
1.4 / 13
0 / 0
Discoverability
4.8 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
2.5 / 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 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 Well-Known Document
0 / 5
17
Zudoku Thin agent aware API Reference Renderers
Zudoku is an open-source, developer-first platform for creating clean, consistent API documentation built on a modern stack including React, TypeScript, and ...
Composite
30.1
Agent
26.3
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 30.1/100 · thin
Contract Quality
14.2 / 25
Developer Ergonomics
5.7 / 20
0 / 0
Operational Transparency
1.7 / 13
0 / 0
Discoverability
7.1 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
2.5 / 15
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 bearer
3.5 / 10
Idempotency
9 / 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
4 / 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 Well-Known Document
0 / 5
18
ReDoc Thin agent aware API Reference Renderers
ReDoc is an open-source API documentation renderer for OpenAPI specifications by Redocly. It generates a responsive three-panel documentation layout from Ope...
Composite
26.8
Agent
8.3
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 26.8/100 · thin
Contract Quality
3.5 / 25
Developer Ergonomics
8.6 / 20
0 / 0
Operational Transparency
3.8 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 15
Agent readiness — 8/100 · agent aware
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
8.0 / 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 Well-Known Document
0 / 5
19
Stoplight Elements Thin agent aware API Reference Renderers
Stoplight Elements is an open-source API documentation component library for rendering OpenAPI specifications interactively. It provides embeddable React and...
Composite
26.7
Agent
20.0
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 26.7/100 · thin
Contract Quality
13.0 / 25
Developer Ergonomics
3.8 / 20
0 / 0
Operational Transparency
3.8 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 15
Agent readiness — 20/100 · 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
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 Well-Known Document
0 / 5
Emerging 8 11 – 26.1 More than an index entry but still mostly links rather than artifacts.
20
Slate Emerging human only API Reference Renderers
Slate is an open-source tool for creating beautiful, three-panel API documentation from Markdown. Built on Ruby and Middleman, Slate renders a left-side navi...
Composite
25.6
Agent
3.8
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 25.6/100 · emerging
Contract Quality
5.1 / 25
Developer Ergonomics
6.7 / 20
0 / 0
Operational Transparency
3.8 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
0.7 / 15
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 Well-Known Document
0 / 5
21
Fumadocs Emerging agent aware Docs-as-Code Static Site Generators
Fumadocs is a modern documentation framework built on Next.js for building developer documentation sites. It provides a complete set of composable packages f...
Composite
24.3
Agent
23.0
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 24.3/100 · emerging
Contract Quality
13.3 / 25
Developer Ergonomics
2.4 / 20
0 / 0
Operational Transparency
1.4 / 13
0 / 0
Discoverability
4.8 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 15
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 Well-Known Document
0 / 5
22
Nextra Emerging human only Docs-as-Code Static Site Generators
Nextra is an open-source, Next.js-based documentation framework for building fast, modern, and beautifully styled documentation sites. It extends Next.js wit...
Composite
22.4
Agent
2.5
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 22.4/100 · emerging
Contract Quality
4.5 / 25
Developer Ergonomics
4.3 / 20
0 / 0
Operational Transparency
3.8 / 13
0 / 0
Discoverability
6.3 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 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 Well-Known Document
0 / 5
23
Docusaurus Emerging human only Docs-as-Code Static Site Generators
Docusaurus is an open-source static site generator built by Meta for creating documentation websites. Powered by React, it supports MDX, versioning, internat...
Composite
22.1
Agent
2.5
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 22.1/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
6.7 / 20
0 / 0
Operational Transparency
3.4 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
0.9 / 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 Well-Known Document
0 / 5
24
ApiNotes Emerging human only Hosted Documentation Platforms
ApiNotes is an interactive API documentation tool that generates developer portals with live endpoint testing, code examples in multiple languages, and share...
Composite
19.6
Agent
2.5
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 19.6/100 · emerging
Contract Quality
4.5 / 25
Developer Ergonomics
4.8 / 20
0 / 0
Operational Transparency
1.0 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 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 Well-Known Document
0 / 5
25
VitePress Emerging human only Docs-as-Code Static Site Generators
VitePress is a Vite and Vue powered static site generator widely used for developer documentation. It converts Markdown content into fast, beautiful document...
Composite
18.4
Agent
2.5
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 18.4/100 · emerging
Contract Quality
1.7 / 25
Developer Ergonomics
3.3 / 20
0 / 0
Operational Transparency
1.7 / 13
0 / 0
Discoverability
6.4 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 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 Well-Known Document
0 / 5
26
DapperDox Emerging human only API Reference Renderers
DapperDox is an open-source API documentation generator that creates beautiful, customizable reference documentation from OpenAPI specifications. It supports...
Composite
16.2
Agent
2.5
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 16.2/100 · emerging
Contract Quality
0.0 / 25
Developer Ergonomics
2.1 / 20
0 / 0
Operational Transparency
3.4 / 13
0 / 0
Discoverability
5.7 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 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 Well-Known Document
0 / 5
27
MkDocs Emerging human only Docs-as-Code Static Site Generators
MkDocs is a fast, simple, and beautiful static site generator designed for building project documentation from Markdown source files. Written in Python, it r...
Composite
11.9
Agent
0.0
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 11.9/100 · emerging
Contract Quality
1.7 / 25
Developer Ergonomics
4.3 / 20
0 / 0
Operational Transparency
0.7 / 13
0 / 0
Discoverability
4.8 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
1.6 / 15
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 Well-Known Document
0 / 5
Minimal 1 0 – 10.9 Index entry only; little beyond a description and a link.
28
Docsify Minimal agent aware Docs-as-Code Static Site Generators
Docsify is a lightweight, no-build documentation site generator that turns Markdown files into a website on the fly using client-side JavaScript rendering.
Composite
10.4
Agent
5.8
Kin Score
How this is scored →scored 2026-10-03 · rubric v0.23.0
Composite quality — 10.4/100 · minimal
Contract Quality
0.0 / 25
Developer Ergonomics
3.4 / 20
0 / 0
Operational Transparency
1.4 / 13
0 / 0
Discoverability
3.9 / 10
Regulatory · Horizontal (data, software, accessibility, platform)
0.9 / 15
Agent readiness — 6/100 · agent aware
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 unknown
4.5 / 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 Well-Known Document
0 / 5