{"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.","url":"https://network.mercury-hq.com/a2a","preferredTransport":"JSONRPC","additionalInterfaces":[{"url":"https://network.mercury-hq.com/a2a","transport":"JSONRPC"}],"version":"1.0.0","registrations":[{"agentId":"54791","agentRegistry":"eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"}],"trustModels":["reputation"],"provider":{"organization":"MERCURY","url":"https://network.mercury-hq.com"},"documentationUrl":"https://network.mercury-hq.com/catalog","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"defaultInputModes":["text/plain"],"defaultOutputModes":["application/json","text/plain"],"securitySchemes":{"x402":{"type":"x402","scheme":"exact","network":"eip155:8453","asset":"USDC","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."}},"security":[{"x402":[]}],"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"]}],"metadata":{"spec":"mercury-storefront/1","x402":{"resource":"https://network.mercury-hq.com/buy/fetch","price":"$0.003","network":"base","caip2":"eip155:8453","asset":"USDC","payTo":"0xe10B9d44e72A29B9c19da02981FFCd875308e3C1","facilitator":"https://api.cdp.coinbase.com/platform/v2/x402","testnet":false},"discovery":["https://network.mercury-hq.com/.well-known/x402","https://network.mercury-hq.com/catalog","https://network.mercury-hq.com/openapi.json"],"erc8004":{"agentId":"54791","chain":"eip155:8453","identityRegistry":"0x8004A169FB4a3325136EB29fA0ceB6D2e539a432","reputationRegistry":"0x8004BAa17C55a88189AE136b182e5fdA19dE9b63","registrationFile":"https://network.mercury-hq.com/.well-known/erc8004.json","reviews":"https://network.mercury-hq.com/reviews","owner":"0x6FAf93774F43d2e796eBFE43C05461221DB32C40"}}}