{"protocolVersion":"0.3.0","name":"Agent Economy OS 2047 — A2A Commerce Directory","description":"Public A2A discovery assistant for AI agents that want to discover four experimental x402 services on Base: pre-action policy checks, owner-signed spending rules and public USDC transfer receipt evidence. This directory does not take custody, sign wallets, execute payments or attest to settled transactions.","author":"Agent Economy OS 2047","wellKnownURI":"https://jzallxzbbdtelcpabfgr.supabase.co/functions/v1/agent-economy-a2a/.well-known/agent-card.json","url":"https://jzallxzbbdtelcpabfgr.supabase.co/functions/v1/agent-economy-a2a","version":"0.1.0","provider":{"organization":"Agent Economy OS 2047","url":"https://jzallxzbbdtelcpabfgr.supabase.co/functions/v1/agent-economy-mcp/catalog.json"},"documentationUrl":null,"iconUrl":null,"supportsAuthenticatedExtendedCard":null,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["text/plain"],"defaultOutputModes":["text/plain","application/json"],"skills":[{"id":"free-safe-buyer-preflight","name":"Free Agent x402 Quote and Budget Preflight","description":"Check exact Base-USDC HTTP-402 payment quote, merchant payee, owner budget and network before purchase. No signing, wallet access or payment.","tags":["x402","buyer","quote","budget","Base","USDC","no-spend"],"examples":["Find an agent-payment verification tool under 0.01 USDC and validate its payment request safely"],"inputModes":[],"outputModes":[]},{"id":"discover-agent-services","name":"Discover pay-per-call agent services","description":"Find independent x402 paid services, prices, and exact purchase endpoints","tags":["x402","USDC","base","MCP","catalog"],"examples":["List services and prices","What can I purchase?"],"inputModes":[],"outputModes":[]},{"id":"policy-review-procurement","name":"Procurement Policy Review Purchase Instructions","description":"Explain how to buy policy checks for an autonomous agent, including sample JSON and free demo URL; never approve purchases on behalf of a user.","tags":["agent procurement","budget","policy","x402"],"examples":["How can I check a spending limit?"],"inputModes":[],"outputModes":[]},{"id":"agent-settlement-passport","name":"Machine-Verifiable Agent Settlement Passport","description":"Help a funded and authorized agent purchase an unsigned Base USDC receipt digest with 2-of-3 independent RPC observations and exact payee/amount checks. Does not pay itself.","tags":["machine-to-machine","x402","settlement passport","Base","USDC","payment evidence"],"examples":["I need proof of USDC settlement for another autonomous agent"],"inputModes":[],"outputModes":[]},{"id":"base-usdc-receipt","name":"Base USDC Transfer Audit Purchase Instructions","description":"Explain how to buy receipt observation for native USDC on Base, including free live demo and exact GET route.","tags":["receipt","USDC","Base","payment reconciliation"],"examples":["Verify an on-chain Base USDC transfer"],"inputModes":[],"outputModes":[]},{"id":"owner-signed-agent-spending","name":"Owner-Signed Spending Rule Verification","description":"Learn how to buy EIP-191 signed owner-policy verification for AI agents","tags":["wallet signature","EIP-191","owner-signed policy","x402"],"examples":["Can you verify signed spending rules before an agent buys?"],"inputModes":[],"outputModes":[]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"a7534921-8f0b-4a61-8324-477c8a87f329","created_at":"2026-10-11T02:48:28.849065Z","updated_at":"2026-10-12T22:39:12.846175Z","hidden":false,"flag_count":0,"maintainer_notes":"Verified working at registration. Agent responds to `message/send` correctly via the A2A SDK.","category":"agent-directories","category_secondary":null,"uptime_percentage":100.0,"avg_response_time_ms":666,"last_health_check":"2026-10-12T22:39:12.055513Z","is_healthy":true,"status_notes":[],"task_conformance":{"category":"WORKING","passed":true,"checked_at":"2026-10-12T03:18:35.875012Z","response_ms":714}}