{"uid":"cap_GymCSJ_p0LVd6DVlk1W7D","slug":"ddg-erc-8004-agent-identity-screener-d3383e40","name":"DDG ERC-8004 Agent Identity Screener","description":"Screen an ERC-8004 (Trustless Agents) agent identity: resolve tokenURI on the on-chain Identity Registry, fetch and parse the agentURI (ipfs/https/data:), live-probe its declared service endpoints (bounded), sample the reputation registry, and return a signed registered/reachable/grounded verdict. $0.01.","url":"https://agents.daedalusdevelopmentgroup.com/v1/8004/screen?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"ok":true}},"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"ok":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Mee6xJpW3k4P64Mnm6xv9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Screens an ERC-8004 on-chain agent identity by resolving its tokenURI, fetching/parsing the agentURI, probing declared service endpoints, and sampling the reputation registry to return a signed verdict on reachability and groundedness.","exampleAgentPrompt":"Can you screen agent token ID 42 on the ERC-8004 Identity Registry and tell me whether it's registered, reachable, and grounded — I want a signed verdict before I interact with it.","exampleUseCases":[{"title":"Vetting an agent before payment","prompt":"Before I send any USDC to this AI agent, can you screen its ERC-8004 identity — token ID 17 — and confirm it's registered on-chain, its agentURI resolves properly, and its declared service endpoints are actually live?"},{"title":"Reputation check for agent marketplace","prompt":"I'm browsing agents on a marketplace and want to know if agent token 88 has a solid on-chain reputation — can you pull a signed screening verdict showing whether it's reachable and grounded?"},{"title":"Automated agent trust gate in a pipeline","prompt":"Before my workflow delegates any task to agent token 203, screen its ERC-8004 identity and return the signed registered/reachable/grounded verdict so I can decide whether to proceed."}],"resultDescription":"A signed verdict object indicating whether the agent is: (1) registered — has a valid tokenURI on the Identity Registry; (2) reachable — its agentURI (IPFS/HTTPS/data) resolves and parses successfully; (3) grounded — live-probed service endpoints respond within bounds; plus a sampled reputation registry score. The response is cryptographically signed for downstream trust decisions.","failureModes":["Agent token ID does not exist on-chain — registry lookup returns not-found","agentURI scheme unsupported or IPFS content unavailable — fetch fails","Declared service endpoints unreachable or timeout during liveness probe","Reputation registry unavailable — partial verdict returned without reputation sample","Malformed agentURI or tokenURI — parsing error in verdict","Invalid request body schema — 400 bad request"],"whenToPreferThis":"Use this endpoint when you need a cryptographically signed, multi-signal trust verdict on an ERC-8004 compliant AI agent identity before interacting with or delegating to it. It is preferable over manual on-chain lookups because it bundles registry resolution, agentURI fetching, live endpoint probing, and reputation sampling into a single $0.01 call with a signed output. Choose this over generic DID resolvers when the agent specifically follows the ERC-8004 Trustless Agents standard.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:40:48.114Z","isFirstParty":false,"canonicalSlug":"ddg-erc-8004-agent-identity-screener-d3383e40"}