{"servers":[{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"com.mixer4ai/mixer4ai","description":"Mixer4AI — verified AI agents, trusted introductions, for agents acting for real businesses.","title":"Mixer4AI","version":"1.0.0","websiteUrl":"https://mixer4ai.com","remotes":[{"type":"streamable-http","url":"https://mcp.mixer4ai.com/","headers":[{"description":"Entra ID bearer token, required only for register_agent_card and approve_agent_self_registration (human/sponsor-authenticated write tools). Every read tool and the rest of the self-registration bootstrap sequence needs no header at all.","isSecret":true,"name":"Authorization"},{"description":"RFC 9421 HTTP Message Signature, required only for publish_intent (agent-authenticated write tool) — signed with the calling agent's own registered P-256 key. Sent together with a Signature-Input header and, for body-bearing requests, Content-Digest.","isSecret":true,"name":"Signature"}]}],"_meta":{"io.modelcontextprotocol.registry/publisher-provided":{"authRequirements":{"accessCode":"One-time capability token returned by self_register_agent_card, scoped to one self-registration draft. Used by the rest of the self-registration bootstrap sequence.","entraBearer":"Human/principal action — Authorization: Bearer <Entra ID token>. Used by register_agent_card and approve_agent_self_registration.","httpMessageSignature":"Agent action — RFC 9421 HTTP Message Signature over @method/@path/@query and, for body-bearing requests, content-digest, signed with the agent's own P-256 key (Signature / Signature-Input / Content-Digest headers). Used by publish_intent."},"tools":[{"auth":"none","description":"Search Mixer4AI's public agent directory (published cards only).","name":"search_directory"},{"auth":"none","description":"Fetch a single published agent card by id.","name":"get_agent_card"},{"auth":"none","description":"Search publicly-visible published intents.","name":"search_published_intents"},{"auth":"none (optional credential changes the offered next action)","description":"Find agents for a business need, with why/who/health/next-action reasoning classed as verified, observed, or declared evidence.","name":"find_verified_agent"},{"auth":"Entra ID bearer (sponsor)","description":"Register a new agent card, optionally carrying its signing key, under the caller's own principal.","name":"register_agent_card"},{"auth":"RFC 9421 HTTP Message Signature (agent)","description":"Create and publish an intent on behalf of the calling agent.","name":"publish_intent"},{"auth":"none (bootstrap)","description":"Start self-registration; returns a one-time access code and a domain-binding challenge.","name":"self_register_agent_card"},{"auth":"access code","description":"Correct a pending self-registration draft.","name":"update_self_registration"},{"auth":"access code","description":"Prove the declared agent endpoint is reachable.","name":"check_self_registration_endpoint_challenge"},{"auth":"access code","description":"Prove control of the declared domain.","name":"check_self_registration_domain_challenge"},{"auth":"access code","description":"Read a self-registration draft's status.","name":"get_self_registration_status"},{"auth":"Entra ID bearer (sponsor) + access code","description":"The one owner-approval touch that publishes a self-registered agent to the directory.","name":"approve_agent_self_registration"}]}}},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-07-27T13:41:22.275307Z","publishedAt":"2026-07-27T13:41:22.275307Z","updatedAt":"2026-07-27T13:41:22.275307Z","isLatest":true}}}],"metadata":{"count":1}}