{"uid":"cap_YzteRxsU1liSJiMi1nWrv","slug":"agent-card-fetch-63e77e20","name":"Agent Card Fetch","description":"Agent discovery card fetch: looks for /.well-known/agent.json and /.well-known/agent-card.json (Google A2A Agent Card) plus /llms.txt and /.well-known/ai-plugin.json, and summarises whatever is found: name, description, url, version, capabilities (streaming, push), skills (id, name, description, tags), auth schemes, input/output modes, and provider. Lets agents learn what another agent offers. $0.01 per domain.","url":"https://intel.rallylive.ca/dev/agent-card","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2ElA3RtsTFWilJlKhwjN2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and summarises AI agent discovery metadata from a domain by probing well-known agent descriptor paths","exampleAgentPrompt":"What capabilities does the agent at acme.ai offer? Check its agent card and tell me its skills, supported auth schemes, and whether it supports streaming.","exampleUseCases":[{"title":"Vetting an agent before integration","prompt":"Before I integrate with the agent at payments.example.com, can you fetch its agent card and tell me what skills it advertises, what auth it requires, and whether it supports streaming?"},{"title":"Building an agent directory","prompt":"I'm compiling a directory of AI agents — can you pull the agent card for shopbot.io and give me its name, description, version, and the list of skills with their tags?"},{"title":"Checking A2A compatibility","prompt":"I want to know if the service at assistant.brandx.com follows the Google A2A standard — fetch its well-known agent card and tell me what capabilities and input/output modes it declares."}],"resultDescription":"A structured summary of whatever agent discovery documents are found at the domain, including: agent name, description, URL, version, capabilities (streaming, push notifications), skills list (each with id, name, description, and tags), supported authentication schemes, accepted input/output modes, and provider identity. Fields not present in any discovered document are omitted.","failureModes":["Domain does not publish any well-known agent descriptor — returns empty or not-found summary","Domain is unreachable or times out — network error response","Domain returns malformed JSON at well-known paths — parse error noted in response","Domain has no agent card but publishes llms.txt or ai-plugin.json only — partial results returned","Rate limiting or firewall on target domain blocks probe requests"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to programmatically discover what another agent or AI-enabled service offers before calling it — especially for A2A (agent-to-agent) workflows, building agent registries, or checking interoperability. Prefer this over manually inspecting URLs when you need a single call that probes all standard discovery paths (agent.json, agent-card.json, llms.txt, ai-plugin.json) and returns a normalised summary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:13:39.500Z","isFirstParty":false}