{"id":11879,"name":"SYNTHORA Onchain Primitives","description":"SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wallet nonce, contract/proxy (EIP-1967) detection, ENS resolution, ERC20 + native balances, contract introspection. Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. First call FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); after that 0.001 USDC per call.","card_url":"https://onchain.hergertsynthora.com/.well-known/agent-card.json","endpoint":"https://onchain.hergertsynthora.com/service","protocol_version":"0.3.0","first_seen":"2026-10-10T13:30:11.726396+00:00","last_verified":"2026-10-10T18:40:09.858007+00:00","card":{"mcp":{"endpoint":"https://onchain.hergertsynthora.com/mcp","transport":"http-jsonrpc"},"url":"https://onchain.hergertsynthora.com/service","name":"SYNTHORA Onchain Primitives","x402":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xEf879BFD6C4AccB8F795136de90246e1EC245e06","amount":"10000","network":"eip155:8453","resource":"https://onchain.hergertsynthora.com/service"},"skills":[{"id":"onchain","name":"onchain","tags":["onchain","x402","synthora","m2m","a2a"],"examples":["{\"op\": \"ens\", \"name\": \"vitalik.eth\"}"],"inputModes":["application/json"],"description":"SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wallet nonce, contract/proxy (EIP-1967) detection, ENS resolution, ERC20 + native balances, contract introspection. Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. First call FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); after that 0.001 USDC per call.","inputSchema":{"type":"object","required":["op"],"properties":{"op":{"enum":["ens","receipt","tx","nonce","code","proxy","balance","erc20-balance","contract","network"],"type":"string","description":"Operation to perform"},"hash":{"type":"string","description":"Tx hash 0x… (receipt/tx)"},"name":{"type":"string","description":"ENS name e.g. vitalik.eth (ens)"},"chain":{"enum":["base","ethereum","polygon","arbitrum","optimism"],"type":"string","description":"Chain (default ethereum)"},"token":{"type":"string","description":"ERC20 token address (erc20-balance)"},"address":{"type":"string","description":"Address 0x… (nonce/code/proxy/balance/contract)"}}},"outputModes":["application/json"]}],"version":"1.0.0","provider":{"url":"https://hergertsynthora.com","organization":"SYNTHORA"},"security":[{"x402":[]}],"description":"SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wallet nonce, contract/proxy (EIP-1967) detection, ENS resolution, ERC20 + native balances, contract introspection. Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. First call FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); after that 0.001 USDC per call.","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"protocolVersion":"0.3.0","securitySchemes":{"x402":{"type":"http","scheme":"x402","description":"HTTP 402 micropayment. 10000 atomic USDC on eip155:8453."}},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"preferredTransport":"HTTP+JSON","additionalInterfaces":[{"url":"https://onchain.hergertsynthora.com/service","transport":"HTTP+JSON"},{"url":"https://onchain.hergertsynthora.com/a2a","transport":"JSONRPC"}]},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-10T18:40:09.858007+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":"2026-10-10T18:40:09.858007+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://onchain.hergertsynthora.com/.well-known/agent-card.json"],"skills":[{"skill_id":"onchain","name":"onchain","description":"SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wallet nonce, contract/proxy (EIP-1967) detection, ENS resolution, ERC20 + native balances, contract introspection. Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. First call FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); after that 0.001 USDC per call.","tags":["onchain","x402","synthora","m2m","a2a"],"quality_warning":false}],"quality_flags":["bulk_publisher"],"check_history":{"checks":3,"passed":3},"recent_checks":[{"card_url":"https://onchain.hergertsynthora.com/.well-known/agent-card.json","checked_at":"2026-10-10T18:40:09.858007+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://onchain.hergertsynthora.com/.well-known/agent-card.json","checked_at":"2026-10-10T16:22:30.360295+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://onchain.hergertsynthora.com/.well-known/agent-card.json","checked_at":"2026-10-10T13:30:11.726396+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-10T18:40:09.858007+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-10T13:30:11.726396+00:00","state":"unconfirmed","http_status":402,"detail":"Endpoint did not return an A2A task-not-found response"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://onchain.hergertsynthora.com/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T18:40:09.858007+00:00","latest_card_check":{"checked_at":"2026-10-10T18:40:09.858007+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T18:40:09.858007+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-10T18:40:09.858007+00:00","endpoint_tls_reachable":true,"protocol_check_state":"unconfirmed","protocol_checked_at":"2026-10-10T13:30:11.726396+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}