{"protocolVersion":"0.3.0","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.","author":"MERCURY","wellKnownURI":"https://network.mercury-hq.com/.well-known/agent-card.json","url":"https://network.mercury-hq.com/a2a","version":"1.0.0","provider":{"organization":"MERCURY","url":"https://network.mercury-hq.com/"},"documentationUrl":"https://network.mercury-hq.com/catalog","iconUrl":null,"supportsAuthenticatedExtendedCard":null,"security":[{"x402":[]}],"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."}},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["text/plain"],"defaultOutputModes":["application/json","text/plain"],"skills":[{"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"],"examples":["Fetch https://example.com and give me the page text","Get the title and status of https://news.ycombinator.com"],"inputModes":["text/plain"],"outputModes":["application/json"]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"4ab3cedb-805e-41d5-87bd-a45aa7196a5a","created_at":"2026-06-07T11:50:21.844669Z","updated_at":"2026-10-13T02:17:32.650018Z","hidden":false,"flag_count":0,"maintainer_notes":"Verified working at registration. Agent responds to `message/send` correctly via the A2A SDK.","category":"data-analytics","category_secondary":null,"uptime_percentage":100.0,"avg_response_time_ms":1150,"last_health_check":"2026-10-13T02:17:32.268849Z","is_healthy":true,"status_notes":[],"task_conformance":{"category":"WORKING","passed":true,"checked_at":"2026-10-12T07:07:40.765359Z","response_ms":1104}}