{"uid":"cap_3j-TT2uCP7WH-4EHdF3s5","slug":"moneytools-a2a-agent-card-validator-0f808493","name":"MoneyTools A2A Agent Card Validator","description":"A2A Agent Card validator: Fetch /.well-known/agent-card.json (or legacy agent.json) and validate required A2A fields, skills, transport and security declarations. Free tier 10/day; then $0.002 via x402 (HTTP 402 + PAYMENT-REQUIRED) or X-API-Key credits. Not charged on failure. $0.002 USDC per call via x402 on Base. Run by MoneyTools.","url":"https://tools.moneytools.dev/v1/a2a-card?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","required":[],"properties":{"url":{"type":"string","examples":["https://api.moneytools.dev"],"description":"agent base URL or card URL"},"card":{"type":"object","description":"or the card JSON"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","properties":{"payment":{"type":"object","properties":{"charged":{"type":"boolean"},"network":{"type":"string"},"amountUsd":{"type":"string"},"transaction":{"type":["string","null"]}}},"freeTier":{"type":"object"},"_moneytools":{"type":"object","description":"optional plan / partner hints"}},"description":"Tool-specific JSON result (see llms.txt / openapi.json). Always includes payment info.","additionalProperties":true}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_puTdCl72ExOPe5YR7Tu6G","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and validates an A2A agent-card.json (or legacy agent.json) from a given URL, checking required fields, skills, transport, and security declarations.","exampleAgentPrompt":"Can you validate the A2A agent card for my agent at https://api.myagent.dev — check that all required fields, skills, transport, and security declarations are present and correct?","exampleUseCases":[{"title":"Pre-launch agent card compliance check","prompt":"Before I publish my new AI agent, can you fetch and validate the agent card at https://api.myagent.dev and tell me if anything is missing or wrong in the A2A fields, skills, or security declarations?"},{"title":"Debugging a third-party agent card","prompt":"I'm trying to integrate with an agent at https://partner-agent.example.com but something seems off — can you fetch their A2A agent card and tell me what fields or declarations are invalid or missing?"},{"title":"Automated CI check for agent card","prompt":"As part of our deployment pipeline, validate the agent card at https://staging.myservice.io and report any A2A compliance errors so we can block the release if it fails?"}],"resultDescription":"A JSON object indicating whether the agent card passed validation, listing any missing or invalid required A2A fields (name, description, skills, transport, security), along with payment metadata (whether the call was charged, network, amount in USD, and transaction ID).","failureModes":["Target URL is unreachable or returns a non-200 status — validation fails but no charge is applied","Agent card JSON is malformed and cannot be parsed — validation error returned","URL does not point to a valid agent card endpoint (e.g. wrong path) — returns field errors","Free tier of 10/day exhausted without an API key or x402 payment — HTTP 402 returned","Invalid or missing query parameter — request rejected with an error"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that an A2A agent card (/.well-known/agent-card.json or agent.json) is correctly structured and compliant — especially before integrating with a third-party agent, during CI/CD pipelines for your own agent deployments, or when debugging interoperability issues. It is purpose-built for the A2A protocol spec and is not charged on failure, making it safe to use for speculative checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-05T12:41:55.442Z","isFirstParty":false,"canonicalSlug":"moneytools-a2a-agent-card-validator-0f808493"}