{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_pau6wer5z2qw","handle":"signatureforever","url":"https://wellknown.network/agents/signatureforever","links":{"self":"https://wellknown.network/agents/signatureforever/record.json","html":"https://wellknown.network/agents/signatureforever","markdown":"https://wellknown.network/agents/signatureforever/record.md","api":"https://wellknown.network/api/v1/agents/signatureforever","status":"https://wellknown.network/api/v1/agents/signatureforever/status","claim":"https://wellknown.network/agents/signatureforever/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/signatureforever/claim.json","badge":"https://wellknown.network/agents/signatureforever/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/signatureforever/history","tools":"https://wellknown.network/api/v1/agents/signatureforever/tools"},"ard":{"identifier":"urn:air:signatureforever.com:server:signatureforever","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"SignatureForever","summary":"Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.","description":"Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.","publisher":{"name":"com.signatureforever","url":null},"homepage":"https://signatureforever.com","repository":null,"version":"1.0.0","license":null,"protocols":["mcp"],"tags":[],"pricing":null,"endpoints":[{"url":"https://signatureforever.com/mcp","type":"mcp_streamable_http","auth":null,"probeable":true}],"skills":null,"tools":null,"extra":{"updatedAt":"2026-09-09T23:02:52.835467Z","publishedAt":"2026-09-09T23:02:52.835467Z","registryName":"com.signatureforever/email-signatures"},"attribution":{"kind":"mcp_registry","name":"mcp_registry","summary":"mcp_registry","version":"mcp_registry","description":"mcp_registry","homepageUrl":"mcp_registry","publisherName":"mcp_registry"}},"derived":{"capabilities":[{"slug":"productivity.email","name":"Email","confidence":1,"provenance":"derived"},{"slug":"ai.prompting","name":"Prompt Management","confidence":0.525,"provenance":"derived"},{"slug":"commerce.pricing","name":"Pricing & Quotes","confidence":0.51,"provenance":"derived"}],"categories":["ai","commerce","productivity"],"language":"en"},"observed":{"status":"live","statusReason":"Responded 4h ago.","lastOkAt":"2026-10-10T10:29:38.298Z","lastProbedAt":"2026-10-10T10:29:38.298Z","statusComputedAt":"2026-10-10T10:30:16.780Z","reliability30d":{"probes":101,"successRate":0.9802,"p50Ms":599,"basis":"service","measures":{"availability":"availability","latency":"response time","tools":"tool surface observed","summary":"Checks reached the service itself."},"checks":{"total":101,"ok":99,"authBoundaryOk":0,"serviceOk":99,"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":"2026-10-10T10:29:38.298Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":493,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-10T04:32:30.650Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":351,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-09T22:26:50.301Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":712,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-09T15:32:52.786Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":1019,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-09T08:28:13.015Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":367,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-09T02:27:25.556Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":499,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-08T20:25:50.750Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":739,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-08T14:23:42.550Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":641,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-08T08:29:11.371Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":573,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}},{"at":"2026-10-08T01:22:50.562Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":422,"error":null,"detail":{"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"toolCount":5,"toolsHash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","serverName":"signatureforever","capabilities":["tools"],"serverVersion":"1.0.0","protocolVersion":"2025-06-18"}}],"tools":[{"name":"check_email_signature","description":"Audit any email-signature HTML against what Gmail, Outlook 365, Outlook for Windows desktop, Apple Mail and iOS Mail actually do. Returns a verdict per client p"},{"name":"email_client_compatibility_matrix","description":"The support matrix for the HTML and CSS features that decide whether an email signature survives: tables, flex/grid, <style> blocks, background-image, base64 im"},{"name":"list_signature_templates","description":"The signature layouts you can pass to create_email_signature, with what each one is good for and its width in pixels."},{"name":"create_email_signature","description":"Build ready-to-paste email-signature HTML from a person's details. The output follows every rule that keeps a signature intact in Outlook for Windows and Gmail:"},{"name":"get_pricing","description":"What each SignatureForever plan includes and costs, and the link to buy. Use it when the user asks what removing the credit line costs, how many signatures a pl"}],"package":null,"toolSurface":{"id":"ts_3j99kyhnb9s5","endpointId":"ep_e5hr62r8gprq","hash":"c38a19c2210ab56f2619996fce2bd52ac231ef864453e38ad8ada31e5bed3fff","toolCount":5,"serverName":"signatureforever","serverVersion":"1.0.0","protocolVersion":"2025-06-18","firstSeenAt":"2026-09-12T12:26:37.071Z","lastSeenAt":"2026-10-10T10:29:38.292Z","observations":97,"toolNames":["check_email_signature","email_client_compatibility_matrix","list_signature_templates","create_email_signature","get_pricing"],"distinctSurfaces":1},"endpointFacts":[{"id":"ep_e5hr62r8gprq","url":"https://signatureforever.com/mcp","type":"mcp_streamable_http","factsCheckedAt":"2026-10-03T23:28:50.409Z","auth":{"observedAt":"2026-10-03T23:28:50.480Z","authRequired":false,"scheme":null,"resourceMetadata":null,"authorizationServer":null,"conformance":{"dpop":false,"rfc8414":false,"rfc9728":false,"pkceS256":false,"clientIdMetadataDocument":false,"dynamicClientRegistration":false}},"tls":{"observedAt":"2026-10-03T23:28:50.500Z","protocol":"TLSv1.3","chainValid":true,"chainError":null,"hostMatches":true,"subject":"signatureforever.com","issuer":{"commonName":"WE1","organization":"Google Trust Services"},"validFrom":"2026-09-17T18:59:14.000Z","validTo":"2026-12-16T19:59:08.000Z","daysToExpiry":67,"sanCount":1,"fingerprint256":"25:9D:86:3C:E0:48:92:B1:92:75:1E:A1:13:B0:8C:B5:82:40:E3:E1:91:74:F9:6A:0C:9C:8A:18:6E:25:3C:8D"}}]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"mcp_registry","key":"com.signatureforever/email-signatures","url":"https://registry.modelcontextprotocol.io/v0/servers/com.signatureforever%2Femail-signatures","firstSeenAt":"2026-09-11T20:18:57.391Z","fetchedAt":"2026-10-09T11:22:16.248Z","normalizedAt":"2026-10-09T11:22:16.248Z"}]},"firstSeenAt":"2026-09-11T20:18:57.391Z","updatedAt":"2026-10-10T10:31:27.397Z"}