{"id":519916,"name":"MERCURY Web Fetch","description":"The keyless, signed-provenance web-fetch for autonomous agents. Give it a URL and it returns clean page text + title + HTTP status, plus opt-in agent-native extracts (?format=markdown, ?links=1 link-graph, ?extract=1 description+wordCount). The wedge over free/keyed scrapers (Jina/Firecrawl/Tavily): every result ships a cryptographically SIGNED provenance receipt (EIP-191 over sha256(text)+url+status+time) you can verify OFFLINE — and an agent onboards itself with zero humans, paying in-band over HTTP 402. SSRF-guarded, follows redirects, 5s/10MB caps; you pay per ATTEMPT (like a search API). $0.003 real USDC, per-call, on Base mainnet. No token, no mint — pure data. Machine-readable teardown vs each alternative: GET /vs.","card_url":"https://network.mercury-hq.com/a2a","endpoint":"https://network.mercury-hq.com/a2a","protocol_version":"0.3.0","first_seen":"2026-10-31T21:36:00.327399+00:00","last_verified":"2026-10-31T21:36:00.327399+00:00","card":{"url":"https://network.mercury-hq.com/a2a","name":"MERCURY Web Fetch","skills":[{"id":"web-fetch","name":"Web Fetch","tags":["web-fetch","agent-web-fetch","web","scrape","x402","data","mainnet","base"],"examples":["Fetch https://example.com and give me the page text","Get the title and status of https://news.ycombinator.com"],"inputModes":["text/plain"],"description":"Fetch any public URL and return clean readable page text, the page title, and the HTTP status. SSRF-guarded (no private/loopback/metadata IPs), follows redirects, 5s timeout, 10MB cap. Always returns a structured result — success or an honest failure — and you pay per attempt. A drop-in agent replacement for SerpAPI-style page fetching at ~$0.003/call.","outputModes":["application/json"]}],"version":"1.0.0","metadata":{"spec":"mercury-storefront/1","x402":{"asset":"USDC","caip2":"eip155:8453","payTo":"0xe10B9d44e72A29B9c19da02981FFCd875308e3C1","price":"$0.003","network":"base","testnet":false,"resource":"https://network.mercury-hq.com/buy/fetch","facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"},"erc8004":{"chain":"eip155:8453","owner":"0x6FAf93774F43d2e796eBFE43C05461221DB32C40","agentId":"54791","reviews":"https://network.mercury-hq.com/reviews","identityRegistry":"0x8004A169FB4a3325136EB29fA0ceB6D2e539a432","registrationFile":"https://network.mercury-hq.com/.well-known/erc8004.json","reputationRegistry":"0x8004BAa17C55a88189AE136b182e5fdA19dE9b63"},"discovery":["https://network.mercury-hq.com/.well-known/x402","https://network.mercury-hq.com/catalog","https://network.mercury-hq.com/openapi.json"]},"provider":{"url":"https://network.mercury-hq.com","organization":"MERCURY"},"security":[{"x402":[]}],"description":"The keyless, signed-provenance web-fetch for autonomous agents. Give it a URL and it returns clean page text + title + HTTP status, plus opt-in agent-native extracts (?format=markdown, ?links=1 link-graph, ?extract=1 description+wordCount). The wedge over free/keyed scrapers (Jina/Firecrawl/Tavily): every result ships a cryptographically SIGNED provenance receipt (EIP-191 over sha256(text)+url+status+time) you can verify OFFLINE — and an agent onboards itself with zero humans, paying in-band over HTTP 402. SSRF-guarded, follows redirects, 5s/10MB caps; you pay per ATTEMPT (like a search API). $0.003 real USDC, per-call, on Base mainnet. No token, no mint — pure data. Machine-readable teardown vs each alternative: GET /vs.","trustModels":["reputation"],"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"registrations":[{"agentId":"54791","agentRegistry":"eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"}],"protocolVersion":"0.3.0","securitySchemes":{"x402":{"type":"x402","asset":"USDC","scheme":"exact","network":"eip155:8453","description":"Pay per call over HTTP 402 (x402 v2). $0.003 real USDC on Base mainnet (CAIP-2 eip155:8453). Settlement via https://api.cdp.coinbase.com/platform/v2/x402."}},"documentationUrl":"https://network.mercury-hq.com/catalog","defaultInputModes":["text/plain"],"defaultOutputModes":["application/json","text/plain"],"preferredTransport":"JSONRPC","additionalInterfaces":[{"url":"https://network.mercury-hq.com/a2a","transport":"JSONRPC"}]},"status":"verified","publisher_domain":"mercury-hq.com","signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-31T21:36:00.327399+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Publisher Agent Card","source_url":"https://network.mercury-hq.com/a2a","last_check":{"checked_at":"2026-10-31T21:36:00.327399+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[{"card_url":"https://network.mercury-hq.com/.well-known/agent-card.json"}],"history_urls":["https://network.mercury-hq.com/a2a"],"skills":[{"skill_id":"web-fetch","name":"Web Fetch","description":"Fetch any public URL and return clean readable page text, the page title, and the HTTP status. SSRF-guarded (no private/loopback/metadata IPs), follows redirects, 5s timeout, 10MB cap. Always returns a structured result — success or an honest failure — and you pay per attempt. A drop-in agent replacement for SerpAPI-style page fetching at ~$0.003/call.","tags":["web-fetch","agent-web-fetch","web","scrape","x402","data","mainnet","base"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":1,"passed":1},"recent_checks":[{"card_url":"https://network.mercury-hq.com/a2a","checked_at":"2026-10-31T21:36:00.327399+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-31T21:36:00.327399+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-31T21:36:00.327399+00:00","endpoint":"https://network.mercury-hq.com/a2a","protocol_binding":"JSONRPC","protocol_version":"0.3.0","state":"jsonrpc_no_task_lookup","http_status":200,"detail":"Endpoint answered JSON-RPC, but neither tasks/get (A2A 0.3) nor GetTask (A2A 1.0) is available. Listing does not require task lookup; implement the method matching your advertised version to confirm A2A","request_diagnostics":{"requests":[{"path":"/a2a","allow":[],"method":"POST","status":200,"version_header":"0.3","protocol_method":"tasks/get","redirect_followed":false},{"path":"/a2a","allow":[],"method":"POST","status":200,"version_header":"1.0","protocol_method":"GetTask","redirect_followed":false}],"capture_version":1}},"declared_primary_endpoint":"https://network.mercury-hq.com/a2a","selected_connection_interface":{"url":"https://network.mercury-hq.com/a2a","protocolBinding":"JSONRPC","protocolVersion":"0.3.0"},"protocol_interface_checks":[{"endpoint":"https://network.mercury-hq.com/a2a","protocol_binding":"JSONRPC","protocol_version":"0.3.0","selected":true,"state":"jsonrpc_no_task_lookup","checked_at":"2026-10-31T21:36:00.327399+00:00","http_status":200,"detail":"Endpoint answered JSON-RPC, but neither tasks/get (A2A 0.3) nor GetTask (A2A 1.0) is available. Listing does not require task lookup; implement the method matching your advertised version to confirm A2A","binding_recorded":true}],"connection_selection_note":"The selected connection uses an address advertised in the publisher card. Read-only observations do not establish task quality or safety.","x402_price_check":null,"events":[],"relationships":[],"verification":{"agent_card_url":"https://network.mercury-hq.com/a2a","last_successful_card_check":"2026-10-31T21:36:00.327399+00:00","latest_card_check":{"checked_at":"2026-10-31T21:36:00.327399+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-31T21:36:00.327399+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-31T21:36:00.327399+00:00","endpoint_tls_reachable":true,"protocol_check_state":"jsonrpc_no_task_lookup","protocol_checked_at":"2026-10-31T21:36:00.327399+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null},"synthetic_capability_tests":{"agent_id":519916,"status":"not_tested","reason_code":"not_yet_tested","consent_status":"not_confirmed","latest_observation_status":null,"last_checked_at":null,"fixture_version":"1","reference_demonstration":false,"scope":"A publisher-authorized synthetic test of a dedicated free test endpoint. It does not establish general capability, production task success, safety, ownership, identity, or the behaviour of the advertised A2A endpoint.","methodology_url":"https://localmark.ai/capability-tests","history":[]},"repair_links":{"agent_repair_url":"https://localmark.ai/agents/519916/repair","publisher_report_url":"https://localmark.ai/publishers/mercury-hq.com/repair","diagnostics_json_url":"https://localmark.ai/publishers/mercury-hq.com/repair/diagnostics.json","diagnostics_csv_url":"https://localmark.ai/publishers/mercury-hq.com/repair/diagnostics.csv"},"_localmark":{"contribution":{"optional":true,"directory_access":"free","operator_authorization_required":true,"affects_rankings":false,"message":"LocalMark is free. Optional contributions help fund ongoing checks.","support_url":"https://localmark.ai/support","metadata_url":"https://localmark.ai/api/v1/support/contributions"}}}