Build with the Capability Host Protocol.

capabilityhostprotocol.com/openapi.json

OpenAPI specification

OpenAPI 3.1 description of the public HTTP surface.

capabilityhostprotocol.com/api/mcp

MCP server

Model Context Protocol (streamable HTTP) — connect an agent to learn CHP, browse capabilities, and adopt it. Every call returns hash-chained evidence.

capabilityhostprotocol.com/.well-known/mcp.json

MCP discovery manifest

Endpoint, transport, auth, and tools for the MCP server.

registry.modelcontextprotocol.io/v0/servers?search=io.github.capabilityhostprotocol/chp

Official MCP registry

Listed as io.github.capabilityhostprotocol/chp — discoverable to any MCP client that federates the registry.

capabilityhostprotocol.com/.well-known/agent-card.json

A2A agent card

The recognized capability-advertisement manifest.

capabilityhostprotocol.com/ask?q=how+does+CHP+work

/ask endpoint

A natural-language query endpoint — structured answers, no MCP client needed.

capabilityhostprotocol.com/capabilities.txt

capabilities.txt

Governance-aware capability discovery (+ /.well-known/capabilities.json).

docs.capabilityhostprotocol.com

Documentation

Concepts, quickstarts, guides, comparisons, reference.

docs.capabilityhostprotocol.com/docs/reference/python-sdk

Python SDK reference

LocalCapabilityHost, @capability, the evidence store, replay.

docs.capabilityhostprotocol.com/docs/reference/cli

CLI reference

The chp CLI — host, invoke, replay, session, registry, ci.

github.com/capabilityhostprotocol/chp-core/blob/main/spec/chp-v0.1.md

Protocol spec & schemas

The versioned spec and JSON schemas.

capabilityhostprotocol.com/conformance

Conformance

The checks an independent host must pass.

github.com/capabilityhostprotocol/chp-core

GitHub

Reference host, types, adapters — Apache-2.0.