{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_75v7t6wn89kt","handle":"dev-x402check-mcp","url":"https://wellknown.network/agents/dev-x402check-mcp","links":{"self":"https://wellknown.network/agents/dev-x402check-mcp/record.json","html":"https://wellknown.network/agents/dev-x402check-mcp","markdown":"https://wellknown.network/agents/dev-x402check-mcp/record.md","api":"https://wellknown.network/api/v1/agents/dev-x402check-mcp","status":"https://wellknown.network/api/v1/agents/dev-x402check-mcp/status","claim":"https://wellknown.network/agents/dev-x402check-mcp/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/dev-x402check-mcp/claim.json","badge":"https://wellknown.network/agents/dev-x402check-mcp/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/dev-x402check-mcp/history","tools":"https://wellknown.network/api/v1/agents/dev-x402check-mcp/tools"},"ard":{"identifier":"urn:air:x402check.dev:server:dev-x402check-mcp","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"mcp","summary":"Preflight x402 sellers before pay: ok|caution|avoid + history. Paid per tool.","description":"Preflight x402 sellers before pay: ok|caution|avoid + history. Paid per tool.","publisher":{"name":"dev.x402check","url":null},"homepage":"https://x402check.dev","repository":null,"version":"0.1.1","license":"MIT","protocols":["mcp"],"tags":["x402","mcp","ai-agent","trust","preflight","payto","base","usdc","scam-check","uptime","budget-guard","compare-tools","verify-payto","x402check","check-before-paying","is-this-api-a-scam","before-payment"],"pricing":null,"endpoints":[{"url":"https://x402check.dev/mcp","type":"mcp_streamable_http","auth":null,"probeable":true},{"url":"npm:x402check-mcp","type":"package_npm","auth":null,"probeable":false}],"skills":null,"tools":null,"extra":{"updatedAt":"2026-10-31T19:00:47.726413Z","npmKeywords":["x402","mcp","ai-agent","trust","preflight","payto","base","usdc","scam-check","uptime","budget-guard","compare-tools","verify-payto","x402check","check-before-paying","is-this-api-a-scam","before-payment"],"publishedAt":"2026-10-31T19:00:47.726413Z","registryName":"dev.x402check/mcp"},"attribution":{"kind":"mcp_registry","name":"mcp_registry","license":"npm","summary":"mcp_registry","version":"mcp_registry","description":"mcp_registry","homepageUrl":"mcp_registry","publisherName":"mcp_registry"}},"derived":{"capabilities":[{"slug":"commerce.payments","name":"Payments","confidence":1,"provenance":"derived"},{"slug":"communication.notifications","name":"Notifications","confidence":1,"provenance":"derived"},{"slug":"dev.monitoring","name":"Monitoring & Observability","confidence":1,"provenance":"declared"}],"categories":["commerce","communication","dev"],"language":"en"},"observed":{"status":"live","statusReason":"Responded 8h ago.","lastOkAt":"2026-11-04T04:28:37.180Z","lastProbedAt":"2026-11-04T04:28:37.180Z","statusComputedAt":"2026-11-04T04:30:53.518Z","reliability30d":{"probes":8,"successRate":1,"p50Ms":50,"basis":"service","measures":{"availability":"availability","latency":"response time","tools":"tool surface observed","summary":"Checks reached the service itself."},"checks":{"total":8,"ok":8,"authBoundaryOk":0,"serviceOk":8,"note":"Counted from the observation rows for the window, checks of the server only (HTTP, A2A card, MCP initialize). ok = authBoundaryOk + serviceOk. `probes` is the sum of daily rollups and includes registry checks, so it can differ from `total`."}},"latestObservations":[{"at":"2026-11-04T04:28:37.180Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":27,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Preflight an x402 seller URL before settle / PAYMENT-SIGNATURE. Pass the absolute https seller URL. Returns verdict ok|caution|avoid plus that tool's history on"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. Prefer when comparing candi"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "},{"name":"deep_check","description":"Deeper trust check before paying an x402 endpoint ($0.05 Exact USDC). Runs the same live 402 + history as preflight_check, then repeated probes for payTo/price "},{"name":"watch_tool","description":"Subscribe to daily re-checks of one x402 seller URL for 30 days. Alerts your webhook and/or email when payTo, price, network, or availability changes. Fixed $5 "}],"toolCount":6,"toolsHash":"071fc38bd63db6cb2f89112a0462de4447530134fe9ef13f55f784574b487206","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.3.0","protocolVersion":"2024-11-05"}},{"at":"2026-11-03T20:35:03.718Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":94,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Preflight before paying any x402 tool. Mandatory check before settle / PAYMENT-SIGNATURE. Pass the absolute https seller URL. Returns verdict ok|caution|avoid p"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. Prefer when comparing candi"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "},{"name":"deep_check","description":"Deeper trust check before paying an x402 endpoint ($0.05 Exact USDC). Runs the same live 402 + history as preflight_check, then repeated probes for payTo/price "},{"name":"watch_tool","description":"Subscribe to daily re-checks of one x402 seller URL for 30 days. Alerts your webhook and/or email when payTo, price, network, or availability changes. Fixed $5 "}],"toolCount":6,"toolsHash":"2d1b01f49fe8216dbf20eae3a2868c50699acf40c511db8aa8a6203de3031484","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.3.0","protocolVersion":"2024-11-05"}},{"at":"2026-11-03T12:29:50.457Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":261,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Preflight before paying any x402 tool. Mandatory check before settle / PAYMENT-SIGNATURE. Pass the absolute https seller URL. Returns verdict ok|caution|avoid p"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. Prefer when comparing candi"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "},{"name":"deep_check","description":"Deeper trust check before paying an x402 endpoint ($0.05 Exact USDC). Runs the same live 402 + history as preflight_check, then repeated probes for payTo/price "},{"name":"watch_tool","description":"Subscribe to daily re-checks of one x402 seller URL for 30 days. Alerts your webhook and/or email when payTo, price, network, or availability changes. Fixed $5 "}],"toolCount":6,"toolsHash":"2d1b01f49fe8216dbf20eae3a2868c50699acf40c511db8aa8a6203de3031484","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.3.0","protocolVersion":"2024-11-05"}},{"at":"2026-11-03T04:27:17.642Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":20,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Preflight before paying any x402 tool. Mandatory check before settle / PAYMENT-SIGNATURE. Pass the absolute https seller URL. Returns verdict ok|caution|avoid p"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. Prefer when comparing candi"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "},{"name":"deep_check","description":"Deeper trust check before paying an x402 endpoint ($0.05 Exact USDC). Runs the same live 402 + history as preflight_check, then repeated probes for payTo/price "},{"name":"watch_tool","description":"Subscribe to daily re-checks of one x402 seller URL for 30 days. Alerts your webhook and/or email when payTo, price, network, or availability changes. Fixed $5 "}],"toolCount":6,"toolsHash":"2d1b01f49fe8216dbf20eae3a2868c50699acf40c511db8aa8a6203de3031484","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.3.0","protocolVersion":"2024-11-05"}},{"at":"2026-11-02T20:28:27.077Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":27,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Preflight before paying any x402 tool. Mandatory check before settle / PAYMENT-SIGNATURE. Pass the absolute https seller URL. Returns verdict ok|caution|avoid p"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. 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Fixed $5 "}],"toolCount":6,"toolsHash":"2d1b01f49fe8216dbf20eae3a2868c50699acf40c511db8aa8a6203de3031484","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.3.0","protocolVersion":"2024-11-05"}},{"at":"2026-11-02T11:24:48.685Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":27,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Mandatory check before paying any x402 endpoint. Pass the absolute https seller URL. Returns verdict ok|caution|avoid plus that tool's history only (uptime, pay"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. Prefer when comparing candi"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "},{"name":"deep_check","description":"Deeper trust check before paying an x402 endpoint ($0.05 Exact USDC). Runs the same live 402 + history as preflight_check, then repeated probes for payTo/price "},{"name":"watch_tool","description":"Subscribe to daily re-checks of one x402 seller URL for 30 days. Alerts your webhook and/or email when payTo, price, network, or availability changes. Fixed $5 "}],"toolCount":6,"toolsHash":"9af41a660eae45c57c9ca55fc132b98454f4cc7c35f58a4f176afa52120fd165","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.3.0","protocolVersion":"2024-11-05"}},{"at":"2026-11-02T02:23:27.756Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":30,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Mandatory check before paying any x402 endpoint. Pass the absolute https seller URL. Returns verdict ok|caution|avoid plus that tool's history only (uptime, pay"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. Prefer when comparing candi"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "},{"name":"deep_check","description":"Deeper trust check before paying an x402 endpoint ($0.05 Exact USDC). Runs the same live 402 + history as preflight_check, then repeated probes for payTo/price "},{"name":"watch_tool","description":"Subscribe to daily re-checks of one x402 seller URL for 30 days. Alerts your webhook and/or email when payTo, price, network, or availability changes. Fixed $5 "}],"toolCount":6,"toolsHash":"9af41a660eae45c57c9ca55fc132b98454f4cc7c35f58a4f176afa52120fd165","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.3.0","protocolVersion":"2024-11-05"}},{"at":"2026-11-01T18:25:33.024Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":53,"error":null,"detail":{"tools":[{"name":"preflight_check","description":"Mandatory trust preflight before paying any x402 endpoint. Pass the absolute https seller URL. Returns verdict ok|caution|avoid plus that tool's history only (u"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement. Prefer when comparing candidates, picking the che"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "}],"toolCount":4,"toolsHash":"ada5988dc5da720f5607cd57241167164ae7ea1e04bdeb41a9b51689b199b9f9","serverName":"x402check","capabilities":["tools"],"serverVersion":"0.2.2","protocolVersion":"2024-11-05"}}],"tools":[{"name":"preflight_check","description":"Preflight an x402 seller URL before settle / PAYMENT-SIGNATURE. Pass the absolute https seller URL. Returns verdict ok|caution|avoid plus that tool's history on"},{"name":"verify_payto","description":"Verify the payTo / receiving wallet an x402 seller demands before you sign. Same check as preflight_check: live 402 probe + history.payToChanges (wallet rotatio"},{"name":"preflight_batch","description":"Trust-check up to 25 x402 seller URLs in one request. Charged per URL (N × unit) in a single Exact settlement via MCP _meta payment. Prefer when comparing candi"},{"name":"compare_tools","description":"Compare several x402 tools before choosing which to pay. Alias of preflight_batch: returns each URL's verdict, priceUsd, payTo, uptimePct, and drift history so "},{"name":"deep_check","description":"Deeper trust check before paying an x402 endpoint ($0.05 Exact USDC). Runs the same live 402 + history as preflight_check, then repeated probes for payTo/price "},{"name":"watch_tool","description":"Subscribe to daily re-checks of one x402 seller URL for 30 days. Alerts your webhook and/or email when payTo, price, network, or availability changes. Fixed $5 "}],"package":{"name":"x402check-mcp","registry":"npm","observedAt":"2026-11-04T04:33:39.948Z","publishedAt":"2026-11-02T19:38:38.719Z","latestVersion":"0.1.6","weeklyDownloads":536},"toolSurface":{"id":"ts_wrwdzfffafcz","endpointId":"ep_qpkz9c6ktxbz","hash":"071fc38bd63db6cb2f89112a0462de4447530134fe9ef13f55f784574b487206","toolCount":6,"serverName":"x402check","serverVersion":"0.3.0","protocolVersion":"2024-11-05","firstSeenAt":"2026-11-04T04:28:37.176Z","lastSeenAt":"2026-11-04T04:28:37.176Z","observations":1,"toolNames":["preflight_check","verify_payto","preflight_batch","compare_tools","deep_check","watch_tool"],"distinctSurfaces":4},"endpointFacts":[{"id":"ep_qpkz9c6ktxbz","url":"https://x402check.dev/mcp","type":"mcp_streamable_http","factsCheckedAt":"2026-11-03T12:29:50.453Z","auth":{"observedAt":"2026-11-03T12:29:50.518Z","authRequired":false,"scheme":null,"resourceMetadata":null,"authorizationServer":null,"conformance":{"dpop":false,"rfc8414":false,"rfc9728":false,"pkceS256":false,"clientIdMetadataDocument":false,"dynamicClientRegistration":false}},"tls":{"observedAt":"2026-11-03T12:29:50.632Z","protocol":"TLSv1.3","chainValid":true,"chainError":null,"hostMatches":true,"subject":"x402check.dev","issuer":{"commonName":"WE1","organization":"Google Trust Services"},"validFrom":"2026-10-31T16:49:59.000Z","validTo":"2027-01-29T17:49:56.000Z","daysToExpiry":86,"sanCount":2,"fingerprint256":"8C:EF:30:06:C1:72:14:0D:D6:55:86:7A:96:61:DC:C1:FC:99:27:DE:AE:AD:EB:EC:A4:1A:0A:20:F7:93:5E:92"}}]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"npm","key":"x402check-mcp","url":"https://www.npmjs.com/package/x402check-mcp","firstSeenAt":"2026-11-03T18:17:46.717Z","fetchedAt":"2026-11-03T18:17:46.717Z","normalizedAt":"2026-11-03T18:17:46.717Z"},{"source":"mcp_registry","key":"dev.x402check/mcp","url":"https://registry.modelcontextprotocol.io/v0/servers/dev.x402check%2Fmcp","firstSeenAt":"2026-11-01T16:21:29.045Z","fetchedAt":"2026-11-01T16:21:29.045Z","normalizedAt":"2026-11-01T16:21:29.045Z"}]},"firstSeenAt":"2026-11-01T16:21:29.045Z","updatedAt":"2026-11-04T04:33:39.948Z"}