vokko.eu

vokko.eu / report / ietf.org

ietf.org

Origin-owner checklist from missing spec fields. Not a login. Not a grade letter.

presence 2026-09-01T14:18:56.159Z · callability 2026-09-01T14:18:56.159Z · live re-run is €29/mo

8 items an origin owner can fix without completing checkout.

  1. ucp · ucp.missing

    No machine UCP profile at /.well-known/ucp.

    Publish JSON with a YYYY-MM-DD version, services, capabilities, and payment_handlers.

    https://ucp.dev

  2. x402 · x402.missing

    No x402 challenge on the homepage or /.well-known/x402.

    If you sell machine calls, return HTTP 402 with a PAYMENT-REQUIRED header. Vokko never sends PAYMENT-SIGNATURE to you.

    https://www.x402.org

  3. mpp · mpp.missing

    No WWW-Authenticate: Payment challenge on the observed GETs.

    If you speak MPP, challenge with WWW-Authenticate: Payment. There is no public /.well-known/mpp.

    https://docs.stripe.com

  4. tap · tap.missing

    No HTTP Message Signatures directory.

    GET /.well-known/http-message-signatures-directory should return JSON 200 if you speak TAP.

    https://corporate.visa.com

  5. mcp · mcp.missing

    No MCP manifest JSON.

    Publish /.well-known/mcp.json (or /.well-known/mcp) as JSON naming the server endpoint.

    https://modelcontextprotocol.io

  6. a2a · a2a.missing

    No A2A agent card.

    Publish /.well-known/agent-card.json (preferred) or /.well-known/agent.json with name and skills.

    https://a2a-protocol.org

  7. llms · llms.missing

    No /llms.txt map.

    Publish /llms.txt describing machine-readable entry points.

    https://llmstxt.org

  8. openapi · openapi.missing

    No OpenAPI document at the usual paths.

    Publish /openapi.json (or /.well-known/openapi.json) if you have an HTTP API.

    https://www.openapis.org

Protocol matrix · GET /report/ietf.org JSON · GET /api/v1/hosts/ietf.org