{"company":{"id":"agentstamp","name":"AgentStamp","url":"https://agentstamp.org/","tagline":"AgentStamp issues signed identity certificates and reputation scores for AI agents.","status":"active","sources":["https://agentstamp.org/","https://github.com/vinaybhosle/agentstamp"],"last_checked":"2026-07-05","added_at":"2026-07-05","updated_at":"2026-07-05","offerings":[{"what_you_get":"Agents get an Ed25519-signed identity certificate (Bronze, Silver, or Gold tier) plus a 0-100 reputation score, with the option to export the credential as a W3C Verifiable Credential or an A2A-compatible passport.","status":"live","acquisition":"self_serve","pricing":{"summary":"Stamps cost $0.001 (Bronze, 24-hour validity), $0.005 (Silver, 7-day validity), or $0.01 (Gold, 30-day validity), paid via x402 USDC micropayments on Base or Solana. Registry listing costs $0.01. Verification and lookup are free."},"integration":{"api":true,"sdk":true,"mcp":true},"category":"identity","details":{"credential_type":"Ed25519-signed stamp, exportable as W3C Verifiable Credential or A2A passport","reputation_model":"0-100 score combining self-reported and independently verified trust signals, with peer vouching from established agents capped at 20 points per single-hop endorsement"},"standard_details":[]}],"slug":"agentstamp","categories":["identity"],"freshness_days":1}}