{"capabilities":{"extensions":[{"description":"MCP server with the vouch and run_scenarios tools.","params":{"endpoint":"https://buyer.agentvouch.us/mcp","protocolVersion":"2025-03-26","transport":"streamable-http"},"uri":"https://modelcontextprotocol.io"}],"pushNotifications":false,"streaming":false},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"description":"Buyer-side payment agent that verifies who it is paying through GoDaddy ANS (sealed identity certificate, liveness, proof-of-possession, signed single-use quote) and refuses impostors. Ask it to vouch for any agent by hostname.","name":"AgentVouch","protocolVersion":"1.0","provider":{"organization":"AgentVouch","url":"https://buyer.agentvouch.us"},"securityRequirements":[{"noAuth":[]}],"securitySchemes":{"noAuth":{"description":"Public and read-only: vouching and the demo scenarios need no credential. Rate limited per client.","type":"noAuth"}},"skills":[{"description":"Given a hostname, fetches the agent's ANS trust card and verifies its identity certificate against the GoDaddy ANS transparency log (sealed fingerprint, hostname, ANS name, liveness), plus its advisory Trust Index score.","examples":["vouch for supplier.webmesh.ai","is rogue-supplier.webmesh.ai who it claims to be?"],"id":"vouch","name":"Vouch for an agent","tags":["ANS","verification","trust"]},{"description":"Pays one genuinely verified supplier and blocks eight attacks (impostor certificate, copied certificate, replayed challenge, tampered quote, replayed quote, wrong-audience quote, over-limit payment, genuine-but-unauthorized payee), with evidence and a hash-chained audit ledger.","examples":["run scenarios"],"id":"run_scenarios","name":"Verify-then-pay scenarios","tags":["ANS","payments","fraud"]}],"supportedInterfaces":[{"protocolBinding":"jsonrpc","protocolVersion":"1.0","url":"https://buyer.agentvouch.us"}],"url":"https://buyer.agentvouch.us","version":"1.0.0","x-identity":{"ans":{"transparencyLog":"https://transparency.ans.godaddy.com/v1/agents/e18e0a0c-f71a-4f20-a79a-a6fcebb1db85","trustCard":"https://buyer.agentvouch.us/.well-known/ans/trust-card.json","uri":"ans://v1.0.0.buyer.agentvouch.us"}}}