Horizon Robotics
Horizon Robotics (Hong Kong Stock Exchange: 9660.HK) is a Chinese provider of smart-driving computing solutions, founded in 2015, that designs the Journey (征程) family of automotive AI processors around its proprietary BPU (Brain Processing Unit) architecture and pairs them with a full software stack — Horizon Mono ADAS, Horizon SuperDrive assisted driving, TogetheROS, Matrix, QoHo and AIDI. Its developer-facing surface is not a hosted web API but a toolchain: OpenExplorer (OE), the model compilation, quantization and deployment kit built around HBDK, HMCT, the Horizon PyTorch Plugin, horizon_tc_ui and the UCP on-board runtime, documented at developer.horizon.auto and doc.oe.horizon.auto. Horizon publishes two genuine agent surfaces on top of that toolchain: a live, unauthenticated remote Model Context Protocol server at mcp.oe.horizon.auto that exposes semantic code and documentation retrieval, and OE-Skills, an Apache-2.0 pack of 37 structured Agent Skills for Claude Code, Codex and Cursor that drive HBDK compilation, PTQ/QAT quantization, UCP on-board inference and LLM compression.
Limited machine-readable signal and partial portal coverage — documentation a human can read, but little a machine or agent can consume without scraping.
API Evangelist profiles Horizon Robotics the way a machine reads it — 7 machine-readable artifacts across 1 API, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Horizon Robotics scores 29.4/100 (thin), with a separate agent-readiness read of 31/100 (agent aware). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-08-24 · rubric v0.12.1
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How we profile Horizon Robotics
Each block below is one kind of artifact we hold for Horizon Robotics. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 1
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Open Explorer MCP Server
Horizon Robotics' hosted Model Context Protocol server for the OpenExplorer toolchain. Probed anonymously on 2026-08-22: MCP protocol version 2025-06-18, serverInfo "Open Explor...
MCP Servers 1
Model Context Protocol servers expose these APIs directly to AI agents. We profile them because agent-native access is the fastest-growing way this provider's capabilities actually get used.
Model Context Protocol servers that expose these APIs to AI agents.
Open Explorer MCP Server
Horizon Robotics' hosted Model Context Protocol server for the OpenExplorer (OE) toolchain. It gives a coding agent semantic retrieval over Horizon's indexed codebases (Milvus-b...
MCP SERVERPricing Plans 1
Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the things the Kin Score reads for access clarity — renamed from commercial clarity in rubric 0.12, because a free statutory interface has access terms and no commercial ones.
Published pricing tiers and plan structures.
Rate Limits 1
Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.
Documented rate limits and quota policies.
Horizon Robotics Rate Limits
RATE LIMITSSecurity Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for Horizon Robotics — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 2
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 3
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 5
Pagination, idempotency, versioning, errors, and events
Build 4
SDKs, sample code, and the tooling you integrate with
Access & Security 4
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type
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This is an independent, third-party profile of Horizon Robotics, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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