{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-05T16:21:28.985Z","url":"https://verifymcp.io/servers/com-fiscalisto-docs/docs-api-mcp","markdownUrl":"https://verifymcp.io/servers/com-fiscalisto-docs/docs-api-mcp.md","server":{"slug":"com-fiscalisto-docs","name":"Fiscalisto API docs","registryName":"com.fiscalisto/docs","description":"Docs for Fiscalisto's Mexican e-invoicing API (CFDI 4.0): search, operations, SDK code, errors.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"docs-api-mcp","type":"remote","identifier":"https://fiscalisto.com/docs/api/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/com-fiscalisto-docs/docs-api-mcp","version":"1.2.0","transport":null,"scoredAt":"2026-11-05T05:27:54.469Z"},"score":{"total":73,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":73},{"date":"2026-11-04","total":73},{"date":"2026-11-03","total":72},{"date":"2026-11-02","total":72},{"date":"2026-11-01","total":71},{"date":"2026-10-31","total":71},{"date":"2026-10-30","total":70},{"date":"2026-10-29","total":70},{"date":"2026-10-28","total":69},{"date":"2026-10-27","total":69}]},"categories":[{"name":"Endpoint Security","score":69,"verdict":"fail","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","No authorisation is required to call this server. Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation.","HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement.","The HSTS (Strict-Transport-Security) header is present.","DNSSEC check failed: this domain isn't protected by DNSSEC."],"codes":[{"code":"tls.valid","args":{}},{"code":"auth.none_no_destructive","args":{}},{"code":"https.inconclusive","args":{"reason":"plaintext_status","status":"405"}},{"code":"headers.hsts_present","args":{}},{"code":"dnssec.absent","args":{}}]},{"name":"Transport & Reachability","score":100,"verdict":"pass","reasons":["Verified streamable-http transport via a live MCP handshake."],"codes":[{"code":"transport.verified","args":{"transport":"streamable-http"}}]},{"name":"Schema Quality & AI Usability","score":76,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Tool/resource definitions use about 990 tokens (~110/item across 9 items; 9 tools + 0 resources), lean.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.ai_quality","args":{"band":"good"}},{"code":"schema.footprint_lean","args":{"avg":"110","items":"9","tools":"9","tokens":"990","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":30,"verdict":"partial","reasons":["Stability observed for 9 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"9"}}]},{"name":"Tool Coverage","score":97,"verdict":"partial","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","92% of tool parameters carry a description."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"92"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","We read all 9 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 10 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_none","args":{"tools":"9"}},{"code":"toolsafety.manipulation_clean","args":{"units":"10","judged":"10"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28."],"codes":[{"code":"protocol.supported","args":{"latest":"2026-07-28","version":"2025-11-25"}}]}],"inconclusive":["HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement."],"malware":[],"components":[{"slug":"docs-api-mcp","type":"remote","identifier":"https://fiscalisto.com/docs/api/mcp","withdrawn":false,"score":73,"current":true,"url":"https://verifymcp.io/servers/com-fiscalisto-docs/docs-api-mcp","markdownUrl":"https://verifymcp.io/servers/com-fiscalisto-docs/docs-api-mcp.md"}],"facts":[{"label":"Endpoint","value":"https://fiscalisto.com/docs/api/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.2.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"get_started","title":"Cómo integrar Fiscalisto","description":"Start here when asked to add Fiscalisto or Mexican invoicing (CFDI 4.0) to an app. Empiece aquí: cómo integrar la API en una app de principio a fin (llave, SDK de su lenguaje, timbrar con Idempotency-Key, datos del cliente, errores del SAT, webhooks firmados, cancelar, probar sin costo y pasar a producción), en una página.","inputs":[],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":92},{"name":"search_docs","title":"Buscar en la documentación","description":"Busca en la documentación de la API de facturación de Fiscalisto (guías y referencia) y devuelve las páginas que más coinciden. Entiende español e inglés («cancelar factura», «verify webhook signature»). Úsela antes de escribir código contra la API.","inputs":[{"name":"query","type":"string","required":true,"description":"Palabras a buscar, en español o inglés, por ejemplo «cancelar factura motivo 02» o «create invoice»."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":94},{"name":"get_page","title":"Leer una página","description":"El texto completo (Markdown) de una página de la documentación, por su ruta, por ejemplo /docs/api/facturas o /docs/api/referencia/facturas/create-invoice.","inputs":[{"name":"path","type":"string","required":true,"description":"La ruta de la página."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":58},{"name":"list_operations","title":"Operaciones de la API","description":"Las operaciones de la API (operationId, método, ruta y qué hace), por sección. Úsela para encontrar la ruta correcta antes de describe_operation.","inputs":[{"name":"tag","type":"string","required":false,"description":"Solo las de esta sección, por ejemplo «Facturas», «Webhooks» o en inglés «Invoices»."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":68},{"name":"describe_operation","title":"Describir una operación","description":"Todo sobre una operación: parámetros, cada campo del cuerpo (tipo, si es obligatorio, límites), ejemplos, el código con el SDK del lenguaje que elija y qué objeto contesta (sus campos con describe_object, o aquí con full).","inputs":[{"name":"full","type":"boolean","required":false,"description":"true: también la tabla de cada campo de la respuesta (larga). Por omisión solo su nombre y un ejemplo."},{"name":"language","type":"string","required":false,"description":"El SDK del ejemplo de código. Por omisión ts."},{"name":"operation","type":"string","required":true,"description":"El operationId (createInvoice), el método del SDK (invoices.create), el método y la ruta («POST /v1/invoices», «GET /v1/invoices/inv_123») o en palabras («create invoice», «cancelar factura»)."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":165},{"name":"describe_object","title":"Describir un objeto","description":"Los campos de un objeto que contesta la API (Invoice, Customer, Event, Error…), con su tipo y significado, y un ejemplo. Sin nombre, la lista de objetos.","inputs":[{"name":"name","type":"string","required":false,"description":"El objeto, por ejemplo Invoice."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":58},{"name":"explain_error","title":"Explicar un error","description":"Qué significa un código de error de la API (el error.code de la respuesta, por ejemplo issuer_required) y cómo resolverlo.","inputs":[{"name":"code","type":"string","required":true,"description":"El error.code de la respuesta."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":48},{"name":"call_api","title":"Probar en modo de pruebas","description":"Hace una solicitud real a la API en modo de pruebas con la llave fk_test_ de la persona (nunca una fk_live_) y devuelve el código, el Request-Id y el JSON de la respuesta. Para probar un cuerpo antes de escribir el código. Timbra con el emisor de pruebas del SAT, sin costo.","inputs":[{"name":"api_key","type":"string","required":true,"description":"La llave de pruebas (fk_test_…) de la persona, de Desarrolladores › Llaves. Pídasela; no la invente."},{"name":"body","type":"object","required":false,"description":"El cuerpo JSON, para POST."},{"name":"idempotency_key","type":"string","required":false,"description":"Idempotency-Key del POST (por omisión una nueva): repetirla con lo mismo contesta lo de la primera vez."},{"name":"method","type":"string","required":true,"description":null},{"name":"path","type":"string","required":true,"description":"La ruta con su consulta, por ejemplo /v1/invoices?limit=3."}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":191},{"name":"list_pages","title":"Todas las páginas","description":"Todas las páginas de la documentación: guías y referencia, con su ruta y de qué 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