A2A agent card. Publish an A2A agent card so agents recognize your identity.
OpenAPI discoverable. Publish your OpenAPI at /openapi.json or /.well-known/openapi.json so agents can auto-discover it.
Provable agent actions. For consequential actions, capture governed, replayable evidence — see capabilityhostprotocol.com.
Discoverable · 100%
robots.txt — Present
AI crawlers allowed — AI crawlers are not blocked
sitemap.xml — Present
llms.txt — Present
schema.org JSON-LD — Structured data present on the homepage
capabilities.txt — Present — grade A (7 capabilities)
Invocable · 70%
OpenAPI discoverable — API reference linked from the homepage, but no OpenAPI at a well-known path
Publish your OpenAPI at /openapi.json or /.well-known/openapi.json so agents can auto-discover it.
MCP server advertised — mcp.json present
Identifiable & Trusted · 0%
A2A agent card — No /.well-known/agent-card.json found
Publish an A2A agent card so agents recognize your identity.
Provable · 0%
Provable agent actions — No standard way to prove what agents did — the industry frontier
For consequential actions, capture governed, replayable evidence — see capabilityhostprotocol.com.
Improve your score
The fastest wins are usually a capabilities.txt and welcoming the AI crawlers. The Provable gap — proving what agents actually did — is the frontier the Capability Host Protocol addresses.