{"audit":{"version":"1.5","generated_at":"2026-11-04T07:03:42.035817+00:00","generated_by":"Agenstry","report_url":"https://agenstry.com/agents/meridian.miodiollc.com","methodology_url":"https://agenstry.com/methodology","verifier_jwks_url":"https://agenstry.com/.well-known/jwks.json","subject":{"domain":"meridian.miodiollc.com","name":"Meridian","url":"https://meridian.miodiollc.com/.well-known/agent-card.json"}},"identity":{"provider":{"organization":"MioDio LLC","url":"https://meridian.miodiollc.com"},"registry_verification":null,"signature":{"signed":false,"signature_valid":null}},"protocol":{"version":"1.0","supports_streaming":false,"supports_push_notifications":false},"operational":{"live_state":"no_url","live_responds":null,"last_status_code":200,"last_elapsed_ms":59,"last_error":null},"track_record":{"first_seen":"2026-11-04T04:35:56.729942+00:00","last_checked":"2026-11-04T04:38:21.891468+00:00","last_seen_ok":"2026-11-04T04:38:21.891468+00:00","checks_total":2,"checks_ok":2,"uptime_pct":100.0,"uptime_window_days":30,"uptime_probes":1,"archived":false,"archived_reason":null},"conformance":{"score":50,"grade":"D","summary":"D-grade: significant issues, auth-gated, partially broken, or stale.","criteria":[{"key":"valid_card","label":"Valid AgentCard","points":10,"max_points":10,"status":"pass","detail":"Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification)."},{"key":"live_responds","label":"Live JSON-RPC","points":10,"max_points":25,"status":"partial","detail":"Card declares only gRPC / HTTP+JSON interfaces; the live probe covers JSON-RPC, so the endpoint was not exercised. Not a defect in the card."},{"key":"protocol_version","label":"Protocol version","points":10,"max_points":10,"status":"pass","detail":"Declares A2A 1.0 with supportedInterfaces[] (current v1 card shape)."},{"key":"signature","label":"JWS signature","points":0,"max_points":10,"status":"info","detail":"Card is unsigned (most published agents are)."},{"key":"uptime","label":"Uptime track record","points":0,"max_points":15,"status":"info","detail":"Only 1 probe so far, need ≥5 for an uptime grade."},{"key":"skills","label":"Skill declaration","points":10,"max_points":10,"status":"pass","detail":"Declares 10 skills with structured metadata."},{"key":"verified_identity","label":"Verified Identity","points":5,"max_points":10,"status":"partial","detail":"Provider declared: MioDio LLC (https://meridian.miodiollc.com). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit."},{"key":"freshness","label":"Freshness + modern flags","points":5,"max_points":5,"status":"pass","detail":"declares 1 modern capability flag(s) (x402); seen in upstream source within 0d"},{"key":"security","label":"Security declaration","points":0,"max_points":5,"status":"info","detail":"Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated."}]},"card_read":{"findings":[],"clean":true,"source_url":"https://meridian.miodiollc.com/.well-known/agent-card.json"},"skills":[{"id":"risk_passport","name":"Aave v3 risk card","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian Aave v3 risk card for an EVM address: health factor, collateral, debt and liquidation distance (~$0.005 USDC Exact on Base). Errors: 400 invalid_address or unsupported_chain (chain must be base or ethereum), 402 payment required, failed upstream reads return 200 with status partial/error (unexpected 5xx is not charged). MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["defi","risk","aave","x402"],"examples":["GET /v1/risk/0x0000000000000000000000000000000000000001"],"inputModes":[],"outputModes":[]},{"id":"lido_exit_risk","name":"Lido exit-risk card","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian Lido exit-risk card: stETH/ETH Curve peg, withdrawal-queue ETA and exit liquidity for a stETH amount (~$0.005 USDC Exact on Base). Errors: 400 amount_required or invalid_amount, 402 payment required, failed upstream reads return 200 with status partial/error (unexpected 5xx is not charged). MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["defi","lido","lst","x402"],"examples":["GET /v1/lido/exit-risk?amount=32"],"inputModes":[],"outputModes":[]},{"id":"vault_risk","name":"ERC-4626 vault risk card","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian ERC-4626 vault risk card: share price, drawdown, APY lookback and idle cash for one vault (~$0.005 USDC Exact on Base). Errors: 400 invalid_address, unsupported_chain or invalid_amount, 402 payment required, failed upstream reads return 200 with status partial/error (unexpected 5xx is not charged). MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["defi","erc4626","vault","x402"],"examples":["GET /v1/vault/0xc1256Ae5FF1cf2719D4937adb3bbCCab2E00A2Ca"],"inputModes":[],"outputModes":[]},{"id":"deep_passport","name":"Deep passport","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian deep passport: one decision card joining Aave v3, Lido exit and optional ERC-4626 vault reads for an EVM address (~$0.02 USDC Exact on Base). Errors: 400 invalid_address, unsupported_chain or invalid_amount, 402 payment required, failed upstream reads return 200 with status partial/error (unexpected 5xx is not charged). MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["defi","risk","passport","x402"],"examples":["GET /v1/passport/0x0000000000000000000000000000000000000001"],"inputModes":[],"outputModes":[]},{"id":"sanctions_screen","name":"OFAC SDN screen","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian OFAC SDN screen: exact match of one digital-currency address against public SDN Digital Currency Address entries (~$0.005 USDC Exact on Base). Informational only. Errors: 400 invalid_address or unsupported_chain, 402 payment required, unexpected 5xx is not charged. MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["ofac","sdn","sanctions","x402"],"examples":["GET /v1/sanctions/0x0000000000000000000000000000000000000001"],"inputModes":[],"outputModes":[]},{"id":"passport_sanctions","name":"Passport + SDN bundle","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian bundle: deep passport plus OFAC SDN exact-match screen for one EVM address (~$0.02 USDC Exact on Base). Informational only. Errors: 400 invalid_address, unsupported_chain or invalid_amount, 402 payment required, failed upstream reads return 200 with status partial/error (unexpected 5xx is not charged). MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["ofac","sdn","passport","x402"],"examples":["GET /v1/passport-sanctions/0x0000000000000000000000000000000000000001"],"inputModes":[],"outputModes":[]},{"id":"sanctions_batch","name":"OFAC SDN batch screen","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian OFAC SDN batch screen: exact match of 1-50 digital-currency addresses against public SDN Digital Currency Address entries (~$0.10 USDC Exact on Base). Informational only. Errors: 400 invalid_body, invalid_address or unsupported_chain, 402 payment required, unexpected 5xx is not charged. MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["ofac","sdn","batch","x402"],"examples":["POST /v1/sanctions/batch"],"inputModes":[],"outputModes":[]},{"id":"parameter_drift","name":"Parameter-drift check","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian parameter-drift check: diffs a declared intent against the exact unsigned tx or EIP-712 payload (~$0.005 USDC Exact on Base). Verdict match, drift or cannot_verify. Unknown calldata is cannot_verify, never match. A match is not a guarantee. Errors: 400 invalid_body or unsupported_chain, 402 payment required. MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["defi","tx","drift","x402"],"examples":["POST /v1/drift"],"inputModes":[],"outputModes":[]},{"id":"transaction_simulate","name":"Transaction simulation","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian transaction simulation: dry-run of an unsigned tx against latest Base/Ethereum state (~$0.01 USDC Exact on Base). Returns success or revert, gas, balances, approvals and warnings. A simulation is a point-in-time dry run, not a guarantee. Never signs or moves funds. Errors: 400 invalid_body or unsupported_chain, 402 payment required. MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["defi","tx","simulate","x402"],"examples":["POST /v1/simulate"],"inputModes":[],"outputModes":[]},{"id":"payment_check","name":"USDC payment check","description":"Pre-sign check: agents call Meridian before they sign. MioDio Meridian payment-check: on-chain read of a Base USDC Exact authorization or Transfer (~$0.005 USDC Exact). Reports nonce used, matching transfers in a ≤120 minute window, and confirmations. Informational. 503 and not settled if every read fails. Never signs or moves funds. Errors: 400 invalid_body, 402 payment required, 503 upstream_unavailable. MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms","tags":["defi","x402","payment"],"examples":["POST /v1/payment-check"],"inputModes":[],"outputModes":[]}],"provenance":[{"source":"agentic_market","first_seen":"2026-11-04T04:35:56.729942+00:00"},{"source":"recrawl_paid","first_seen":"2026-11-04T04:38:21.891468+00:00"}],"recent_probes":[{"fetched_at":"2026-11-04T04:38:21.891468+00:00","ok":true,"status_code":200,"error":null,"elapsed_ms":59,"live_responds":null}],"catalog_attestation":null,"operator_revenue_evidence":{"evidence_class":"operator_submitted","authenticity":{"rung":"no_operator_evidence","rank":0,"why":"No verifiable operator evidence has been submitted for this agent.","thresholds":{"min_independent_payers":3,"min_verified_usd":25.0},"engine_table":"agent_authenticity","merge_rule":"max(existing_rank, rank)"},"metric_metadata":{"provenance":"operator_submitted_evidence","confidence":"attested","coverage":{"numerator":0},"as_of":"2026-11-04T07:03:42.060335+00:00","definition":"Revenue proofs submitted by the verified owner and re-checked by Agenstry against the settlement chain or the operator's own Stripe account. Only independently confirmed proofs are counted."},"counts":{"retained":0,"verified":0,"unverifiable":0},"verified":{"gross_usd":0.0,"transactions":0,"independent_payers":0},"detail_url":"https://agenstry.com/api/agents/meridian.miodiollc.com/evidence","dispute_url":"https://agenstry.com/agents/meridian.miodiollc.com/dispute"},"verification_history":[],"signatures":[{"protected":"eyJhbGciOiJFUzI1NiIsImprdSI6Imh0dHBzOi8vYWdlbnN0cnkuY29tLy53ZWxsLWtub3duL2p3a3MuanNvbiIsImtpZCI6ImFnZW50ZmluZGVyLWVzMjU2LTEiLCJ0eXAiOiJKT1NFIn0","signature":"LDodtTINSkmHztCoK92azzuTS4XbnhnZe-gLwEmF4oDz_Per5fCyxiZvmq3DzMoSDp3x1TSq0eFC4G_yj58P6g"}]}