{"protocolVersion":"1.0","name":"Agentic Connect A2A","description":"Agent-to-Agent endpoint. Per-agent endpoints are served on personal subdomains.","version":"0.1.0","agentAddress":null,"agentName":null,"supportedInterfaces":[{"url":"https://home-edge-staging.gcid.io/api/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}],"provider":{"organization":"Agentic Connect","url":"https://home-edge-staging.gcid.io"},"capabilities":{"streaming":true,"pushNotifications":false,"stateTransitionHistory":false,"extensions":[{"uri":"https://agenticprimitives.org/a2a/authority/v1","required":false,"description":"Authorization is an on-chain delegation decision against the principal Smart Agent, verified by signature and re-evaluated at the moment of acting. A bearer token is a transport envelope only and never the grant.","params":{"methods":["delegation","session-wire","mandate"],"chain":"eip155:28191","bearerIsEnvelopeOnly":true,"reEvaluatedPerCall":true}},{"uri":"https://agenticprimitives.dev/a2a/extensions/run-provenance/v1","required":false,"description":"Every task and message this agent answers names where its run provenance is (PROV-AQ). The record is a W3C PROV-O / P-Plan / EP-Plan graph (JSON-LD) in the acting agent's own store, read under the asker's standing; evidence, never authority.","params":{"metadataKey":"hasProvenance","conformsTo":["prov-o","p-plan","ep-plan","json-ld","shacl","prov-aq"],"formats":["json-ld","prov-n"]}},{"uri":"https://agenticprimitives.org/a2a/delegated-task/v1","required":false,"description":"A task authorized by an ERC-7710 delegation carried on the message; the caller is authenticated by the Authorization header and must be the delegation's delegate. Adds the method GetTaskArtifact { id, artifactId } — a party reads an artifact BODY, which the task projection carries only as a ref and a hash (A2A-INV-04)."},{"uri":"https://agenticprimitives.org/a2a/intent-engagement/v1","required":false,"description":"Intent engagement (spec 336): a probe carrying a minimized projection of an intent is answered with an offer, a decline, a question, a referral or an unavailability — as a message, never a task. Nothing before the mandate is authority."}],"extendedAgentCard":false},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"skills":[],"supportsExtendedAgentCard":false,"chainId":28191,"securitySchemes":{"homeSession":{"httpAuthSecurityScheme":{"scheme":"bearer","bearerFormat":"home-session","description":"A Home session presented as a bearer names the asking person; it grants nothing (spec 372 §0)."}}},"securityRequirements":[{"schemes":{"homeSession":{"list":[]}}}]}