{"uid":"cap_Qf4u17QO7WnhkNh8I3icO","slug":"erc-8004-ai-agent-reputation-passport-sybil-corrected-e004872d","name":"ERC-8004 AI Agent Reputation Passport (Sybil-Corrected)","description":"Measured-vs-declared reputation dossier for an AI agent, Sybil-corrected. Give an ERC-8004 agent id or wallet: reads the on-chain ERC-8004 Identity + Reputation registries on Base, computes the DECLARED reputation (reviews/reviewers/values) then the MEASURED, Sybil-corrected reputation (owner agent-farming, footprint-less reviewers, review concentration, unbacked-by-settlement), returns the DELTA + a signed offline-verifiable verdict. Real or inflated? Audit-grade due-diligence.","url":"https://x402-endpoints.onrender.com/agent/passport","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"wallet":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$","description":"Agent wallet (0x + 40 hex); resolved to its ERC-8004 agentId. Provide this OR agent_id."},"agent_id":{"type":"integer","description":"ERC-8004 agent identity tokenId (IdentityRegistry). Provide this OR wallet."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"delta":{"value":56,"interpretation":"declared reputation is inflated vs measured reality"},"cached":false,"summary":"Declares 68/100 (47 feedbacks) but measured 12/100: reviewers are burner wallets, tags are 'test', owner holds 56 agent NFTs (Sybil farm). The 56-point gap = manufactured reputation.","verdict":"INFLATED","declared":{"score":68,"available":true,"feedback_count":47,"distinct_reviewers":8},"headline":"Declared reputation is largely Sybil-inflated / unbacked — do not rely on it.","identity":{"owner":"0x67722c82...","agent_id":0,"agents_owned_by_owner":56},"measured":{"score":12,"available":true,"sybil_penalty":0.82},"timestamp":"2026-07-02T12:00:00Z","disclaimer":"Measured-vs-declared ERC-8004 dossier; scores/delta deterministic and signed. Sybil correction heuristic (arXiv:2606.26028). Not legal/financial advice.","sybil_signals":{"owner_agent_farm":{"value":1,"detail":"Owner holds 56 agent NFTs (Sybil farm)."},"reviewer_no_footprint":{"value":1,"detail":"8/8 sampled reviewers are footprint-less burner wallets."},"unbacked_by_settlement":{"value":1,"detail":"No real settlements back the 47 declared feedbacks."}},"signed_receipt":{"claims":{"kind":"agent_passport","as_of":"2026-07-02T12:00:00Z","delta":56,"verdict":"INFLATED","agent_id":0,"declared_score":68,"measured_score":12},"algorithm":"ed25519","available":true,"signature":"<hex>"},"erc8004_identity":true,"settlement_backing":{"verdict":"ABSTAIN","available":true,"settlement_count":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","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":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NBSVAizTS8Mwz1jsrGC0z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a Sybil-corrected reputation dossier for an ERC-8004 AI agent on Base, comparing declared on-chain reviews against measured footprint-adjusted reputation and returning a signed delta verdict.","exampleAgentPrompt":"Can you run a full Sybil-corrected reputation audit on the AI agent at wallet 0xAbCd1234567890abcdef1234567890abcdef1234 on Base — I want to see whether its declared ERC-8004 reputation is real or inflated, and get the signed verdict.","exampleUseCases":null,"resultDescription":"Returns a structured dossier containing: the agent's DECLARED reputation (review count, reviewer count, score values pulled from ERC-8004 IdentityRegistry and ReputationRegistry on Base), the MEASURED Sybil-corrected reputation (adjusted for owner agent-farming, footprint-less reviewers, review concentration, and reviews unbacked by settlement), the DELTA between declared and measured scores, and a cryptographically signed offline-verifiable verdict classifying the reputation as genuine or inflated.","failureModes":["Wallet address not found in ERC-8004 IdentityRegistry — returns error indicating no agent identity","Invalid wallet format (not 0x + 40 hex) — schema validation rejects the request","Neither wallet nor agent_id provided — required parameter missing error","Agent exists but has no reputation data yet — returns empty/zero declared score","Base RPC connectivity issues causing on-chain read failures","Payment of $1 USDC not provided — x402 payment required response"],"whenToPreferThis":"Choose this endpoint when you need audit-grade due diligence on an ERC-8004 AI agent's on-chain reputation specifically on Base network, and you need Sybil-correction (detecting farmed reviews, concentration attacks, footprint-less reviewers) rather than just a raw reputation score. Prefer this over generic trust checks when the agent uses ERC-8004 identity standards and you need a cryptographically signed, offline-verifiable verdict.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:39:29.346Z","isFirstParty":false}