{"id":188412,"name":"Meridian","description":"mio_dio_defi_risk_passport: a read-only x402 pay-per-call HTTP API. Public on-chain Aave, Lido, ERC-4626 vault, OFAC SDN exact-match, parameter-drift, and transaction-simulation cards. Never holds keys, does not sign, and does not move funds. Not an A2A JSON-RPC task server.","card_url":"https://workers.miodiollc.com/.well-known/agent-card.json","endpoint":"https://workers.miodiollc.com","protocol_version":"1.0","first_seen":"2026-10-17T18:21:11.369411+00:00","last_verified":"2026-10-17T20:25:01.913778+00:00","card":{"name":"Meridian","skills":[{"id":"risk_passport","name":"Aave v3 risk card","tags":["defi","risk","aave","x402"],"examples":["GET /v1/risk/0x0000000000000000000000000000000000000001"],"description":"MioDio Meridian Aave v3 risk card for an EVM address: health factor, collateral, debt and liquidation distance (~$0.005 USDC Exact on Base). Use before acting on an EVM address to read its Aave v3 health factor, collateral and debt. 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://workers.miodiollc.com/terms"},{"id":"lido_exit_risk","name":"Lido exit-risk card","tags":["defi","lido","lst","x402"],"examples":["GET /v1/lido/exit-risk?amount=32"],"description":"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). Suited to estimating how long, and at what peg, a given stETH amount could exit. 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://workers.miodiollc.com/terms"},{"id":"vault_risk","name":"ERC-4626 vault risk card","tags":["defi","erc4626","vault","x402"],"examples":["GET /v1/vault/0xc1256Ae5FF1cf2719D4937adb3bbCCab2E00A2Ca"],"description":"MioDio Meridian ERC-4626 vault risk card: share price, drawdown, APY lookback and idle cash for one vault (~$0.005 USDC Exact on Base). Use before routing funds to an ERC-4626 vault to read share price, drawdown and idle cash. 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://workers.miodiollc.com/terms"},{"id":"deep_passport","name":"Deep passport","tags":["defi","risk","passport","x402"],"examples":["GET /v1/passport/0x0000000000000000000000000000000000000001"],"description":"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). Use for one call that combines Aave, Lido and optional vault reads for an address. 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://workers.miodiollc.com/terms"},{"id":"sanctions_screen","name":"OFAC SDN screen","tags":["ofac","sdn","sanctions","x402"],"examples":["GET /v1/sanctions/0x0000000000000000000000000000000000000001"],"description":"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. Use before interacting with an address to check it against public OFAC SDN digital currency entries. Errors: 400 invalid_address or unsupported_chain, 402 payment required, unexpected 5xx is not charged. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms"},{"id":"passport_sanctions","name":"Passport + SDN bundle","tags":["ofac","sdn","passport","x402"],"examples":["GET /v1/passport-sanctions/0x0000000000000000000000000000000000000001"],"description":"MioDio Meridian bundle: deep passport plus OFAC SDN exact-match screen for one EVM address (~$0.02 USDC Exact on Base). Informational only. Use for the full passport plus an OFAC SDN check in one call. 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://workers.miodiollc.com/terms"},{"id":"sanctions_batch","name":"OFAC SDN batch screen","tags":["ofac","sdn","batch","x402"],"examples":["POST /v1/sanctions/batch"],"description":"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. Use to screen up to 50 addresses against OFAC SDN digital currency entries at once. Errors: 400 invalid_body, invalid_address or unsupported_chain, 402 payment required, unexpected 5xx is not charged. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms"},{"id":"parameter_drift","name":"Parameter-drift check","tags":["defi","tx","drift","x402"],"examples":["POST /v1/drift"],"description":"MioDio Meridian parameter-drift check: diffs a declared intent against the exact unsigned tx or EIP-712 payload before you sign (~$0.005 USDC Exact on Base). Verdict match, drift or cannot_verify with a per-field diff and keccak of the bytes checked. Unknown calldata is cannot_verify, never match. A match is not a guarantee the intent was safe. Errors: 400 invalid_body or unsupported_chain, 402 payment required. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms"},{"id":"transaction_simulate","name":"Transaction simulation","tags":["defi","tx","simulate","x402"],"examples":["POST /v1/simulate"],"description":"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, native/ERC-20 balance changes, approvals, decoded call and warnings. A simulation is a point-in-time dry run, not a guarantee. Meridian never signs or moves funds. Errors: 400 invalid_body or unsupported_chain, 402 payment required, failed RPC returns 200 status partial. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms"}],"version":"0.7.0","provider":{"url":"https://workers.miodiollc.com","organization":"MioDio LLC"},"description":"mio_dio_defi_risk_passport: a read-only x402 pay-per-call HTTP API. Public on-chain Aave, Lido, ERC-4626 vault, OFAC SDN exact-match, parameter-drift, and transaction-simulation cards. Never holds keys, does not sign, and does not move funds. Not an A2A JSON-RPC task server.","capabilities":{"streaming":false,"extensions":[{"uri":"https://workers.miodiollc.com/.well-known/x402","required":false,"description":"x402 v2 resource-server catalog (atomic prices, Base USDC, payTo)."},{"uri":"https://workers.miodiollc.com/openapi.json","required":false,"description":"OpenAPI 3.1 for paid and free routes."},{"uri":"https://workers.miodiollc.com/llms.txt","required":false,"description":"Plain-text summary for LLM agents."},{"uri":"https://workers.miodiollc.com/docs","required":false,"description":"Human-readable HTML docs."},{"uri":"https://workers.miodiollc.com/v1/demo/drift","required":false,"description":"Free parameter-drift demo card (GET /v1/demo/drift)."},{"uri":"https://workers.miodiollc.com/v1/demo/simulate","required":false,"description":"Free transaction-simulation demo card (GET /v1/demo/simulate)."}],"extendedAgentCard":false,"pushNotifications":false},"documentationUrl":"https://workers.miodiollc.com/docs","defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"supportedInterfaces":[{"url":"https://workers.miodiollc.com","protocolBinding":"HTTP+JSON","protocolVersion":"1.0"}]},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-17T20:25:01.913778+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Agent Tools Catalog","source_url":"https://agent-tools.cloud","last_check":{"checked_at":"2026-10-17T20:25:01.913778+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://workers.miodiollc.com/.well-known/agent-card.json"],"also_observed_in":[{"source_name":"Agent Tools Catalog","source_url":"https://agent-tools.cloud","last_seen":"2026-10-17T18:19:09.657082+00:00"}],"skills":[{"skill_id":"risk_passport","name":"Aave v3 risk card","description":"MioDio Meridian Aave v3 risk card for an EVM address: health factor, collateral, debt and liquidation distance (~$0.005 USDC Exact on Base). Use before acting on an EVM address to read its Aave v3 health factor, collateral and debt. 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://workers.miodiollc.com/terms","tags":["defi","risk","aave","x402"],"quality_warning":false},{"skill_id":"deep_passport","name":"Deep passport","description":"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). Use for one call that combines Aave, Lido and optional vault reads for an address. 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://workers.miodiollc.com/terms","tags":["defi","risk","passport","x402"],"quality_warning":false},{"skill_id":"vault_risk","name":"ERC-4626 vault risk card","description":"MioDio Meridian ERC-4626 vault risk card: share price, drawdown, APY lookback and idle cash for one vault (~$0.005 USDC Exact on Base). Use before routing funds to an ERC-4626 vault to read share price, drawdown and idle cash. 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://workers.miodiollc.com/terms","tags":["defi","erc4626","vault","x402"],"quality_warning":false},{"skill_id":"lido_exit_risk","name":"Lido exit-risk card","description":"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). Suited to estimating how long, and at what peg, a given stETH amount could exit. 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://workers.miodiollc.com/terms","tags":["defi","lido","lst","x402"],"quality_warning":false},{"skill_id":"sanctions_batch","name":"OFAC SDN batch screen","description":"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. Use to screen up to 50 addresses against OFAC SDN digital currency entries at once. Errors: 400 invalid_body, invalid_address or unsupported_chain, 402 payment required, unexpected 5xx is not charged. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms","tags":["ofac","sdn","batch","x402"],"quality_warning":false},{"skill_id":"sanctions_screen","name":"OFAC SDN screen","description":"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. Use before interacting with an address to check it against public OFAC SDN digital currency entries. Errors: 400 invalid_address or unsupported_chain, 402 payment required, unexpected 5xx is not charged. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms","tags":["ofac","sdn","sanctions","x402"],"quality_warning":false},{"skill_id":"parameter_drift","name":"Parameter-drift check","description":"MioDio Meridian parameter-drift check: diffs a declared intent against the exact unsigned tx or EIP-712 payload before you sign (~$0.005 USDC Exact on Base). Verdict match, drift or cannot_verify with a per-field diff and keccak of the bytes checked. Unknown calldata is cannot_verify, never match. A match is not a guarantee the intent was safe. Errors: 400 invalid_body or unsupported_chain, 402 payment required. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms","tags":["defi","tx","drift","x402"],"quality_warning":false},{"skill_id":"passport_sanctions","name":"Passport + SDN bundle","description":"MioDio Meridian bundle: deep passport plus OFAC SDN exact-match screen for one EVM address (~$0.02 USDC Exact on Base). Informational only. Use for the full passport plus an OFAC SDN check in one call. 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://workers.miodiollc.com/terms","tags":["ofac","sdn","passport","x402"],"quality_warning":false},{"skill_id":"transaction_simulate","name":"Transaction simulation","description":"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, native/ERC-20 balance changes, approvals, decoded call and warnings. A simulation is a point-in-time dry run, not a guarantee. Meridian never signs or moves funds. Errors: 400 invalid_body or unsupported_chain, 402 payment required, failed RPC returns 200 status partial. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms","tags":["defi","tx","simulate","x402"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":2,"passed":2},"recent_checks":[{"card_url":"https://workers.miodiollc.com/.well-known/agent-card.json","checked_at":"2026-10-17T20:25:01.913778+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://workers.miodiollc.com/.well-known/agent-card.json","checked_at":"2026-10-17T18:21:11.369411+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-17T20:25:01.913778+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-17T18:21:11.369411+00:00","state":"unconfirmed","http_status":404,"detail":"Endpoint returned a generic not-found response"},"x402_price_check":null,"events":[],"relationships":[],"verification":{"agent_card_url":"https://workers.miodiollc.com/.well-known/agent-card.json","last_successful_card_check":"2026-10-17T20:25:01.913778+00:00","latest_card_check":{"checked_at":"2026-10-17T20:25:01.913778+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-17T20:25:01.913778+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-17T20:25:01.913778+00:00","endpoint_tls_reachable":true,"protocol_check_state":"unconfirmed","protocol_checked_at":"2026-10-17T18:21:11.369411+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}