# Capability Host Protocol

**Canonical:** https://apis.io/providers/capabilityhostprotocol-com/  
**Website:** https://capabilityhostprotocol.com/  
**APIs profiled:** 1

Govern what your AI agents can actually do — every capability declared, every invocation allowed or denied, every result captured as replayable, tamper-evident evidence in one command. CHP is the open protocol for declaring, discovering, invoking, governing, and proving what agents, products, and organizations can do.

## Kin Score — 27.1 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 42.0 |
| Contract Governance | 22.0 |
| Operational Transparency | 3.9 |
| Developer Ergonomics | 38.1 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 10.0 (matched via fallback).

## Agent readiness — 35.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | unknown |
| Agent Skills | no |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | conformant |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **Capability Host Protocol API** — Public API for querying capabilities, discovering agents and managing governance.
- **Capability Host Protocol — Public API API** — CHP is the governed execution layer of the agentic web. This API exposes a natural-language query endpoint (/ask), the well-known discovery manifests, and the MCP server endpoin...

## Security (1)

- **Capabilityhostprotocol Com Domain Security** — TLSv1.3 · HSTS · DNSSEC

## Tags

Artificial Intelligence, Governance, Protocol, Capabilities, Agents

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/capabilityhostprotocol-com/). Scores are computed from the provider's own public artifacts under a published rubric.