ZBS Index What actually exists in applied AI, with the source next to it

mcp server

Nota Fiscal

Issue and manage Brazilian service invoices (NFS-e) by chatting with your agent, platform-hosted, no

Description as published by the maintainer. Source

  • version 0.1.0
  • active
  • document understanding
  • voice

active — Registry entry last updated 2026-06-10. Dashed tags are derived by ZBS Index from the published description, not stated by the maintainer.

What this server can do

12 functions, named and described by the server itself. Parameter names are shown because they say more about what a function does than its name usually does.

authenticate(token)
MCP.AI for IDE agents (Cursor, etc.): log in in the browser, copy the access token. Best: add it to this server's config as a header `Authorization: Bearer <token>` for a permanent, non-expiring connection. Or paste it here for a session-only login: call with { token: "<jwt>" } after the user pastes, or with no args to get the link.
connect
Returns connection status and URLs. When all providers are connected, returns authenticated:true and empty pending[]. When credentials are missing, returns connect_url for the toolkit and per-install URLs.
marketplace(limit, query, action, mcp_id, message, tool_id, arguments, immediate, tier_slug, prompt_body, prompt_slug, prompt_tool, prompt_vars, conversation, prompt_title, request_name, cancel_reason, cancel_comment, prompt_targets, report_context, prompt_category, request_details, prompt_description)
The official mcp.ai marketplace — the in-platform catalog of every MCP/tool, AND the way to run them. Covers capability requests like "find an MCP that does X", "consulta um CPF", "is there a tool for Y". Core flow: action=search discovers MCPs by intent → describe returns one MCP's full profile (every tool with its id + params, pricing, auth) so you pick the right tool_id → invoke RUNS that tool. KEY: invoke works even when the MCP is NOT installed — it runs the tool pontualmente (one-off), without adding the MCP to the toolkit and without bloating the tool list. If the MCP needs a credential/login, invoke returns a connect link; if it is paid and the wallet is empty, invoke returns a checkout/top-up link (the user opens it, then you retry). Use install only to make an MCP PERMANENT in the active toolkit (its tools then show up natively in future sessions); prefer invoke for a single/occasional use. list_tools lists what is callable right now. subscribe/cancel handle per-MCP billing; report_bug sends feedback; request_mcp asks us to build a NEW MCP when nothing fits. Search/describe flag installed_in_toolkit vs installed_in_workspace. Writes (install/uninstall/subscribe/cancel and the one-off install behind invoke) require workspace owner/admin. It also carries the mcp.ai PROMPT LIBRARY, which is about ready-made prompt TEXT rather than MCPs: search_prompts finds one, get_prompt returns its full text with {{variables}} filled, and publish_prompt saves a prompt and returns a shareable mcp.ai/p/<slug> link that opens without login.
notafiscal_baixar_nfse(company, invoice_id, invoice_ids)
Retorna os links de PDF (DANFSe) e XML de uma NFS-e emitida. Bulk support: accepts invoice_ids for batched execution. Required: invoice_id.
notafiscal_cancelar_nfse(company, invoice_id, invoice_ids)
Cancela uma NFS-e emitida (IRREVERSÍVEL, sujeito ao prazo de cancelamento do município). Confirme antes de chamar. Bulk support: accepts invoice_ids for batched execution. Required: invoice_id.
notafiscal_consultar_nfse(company, invoice_id, invoice_ids)
Consulta o status/detalhe de uma NFS-e emitida, por invoice_id. Bulk support: accepts invoice_ids for batched execution. Required: invoice_id.
notafiscal_emitir_nfse(nfse, company, external_id, external_ids)
Emite uma NFS-e (nota fiscal de serviço) para uma empresa conectada. Cria um DOCUMENTO FISCAL REAL — confirme os dados antes de chamar. - 'nfse': corpo da nota no schema da nfe.io (JSON string), com ao menos: cityServiceCode, description, servicesAmount, e borrower:{ federalTaxNumber, name, email?, address? }. - 'external_id' (opcional): chave de idempotência — reuse a mesma para não duplicar a nota numa re-tentativa. Retorna o id da nota e o status de processamento. Bulk support: accepts external_ids for batched execution. Required: nfse.
notafiscal_empresas
Lista as empresas (CNPJs) conectadas a este install e a situação de cada uma (company_id, razão social, município, validade do certificado).
notafiscal_listar_nfse(company, page_count, page_index)
Lista as NFS-e emitidas por uma empresa (paginado).
report_bug(context, message, conversation)
Report a bug, missing feature, or send feedback. Include the conversation array with recent messages for reproduction. Required: message.
show_version
Show the current MCP platform and adapter versions.
toolkit_info
Returns the current toolkit state: installed MCPs, their connection status, the accounts connected to each one, and how many catalog tools each exposes.

Last successful function declaration observed on . Source: https://api.mcp.ai/p_notafiscal. We list what the server declared; we do not call any of these functions.

Endpoint status observed on . Source: https://api.mcp.ai/p_notafiscal.

Signals

These are separate measurements of different things. They are deliberately not combined into one score, because a popularity number that mixes website traffic with saves and stars cannot be checked or acted on.

Signal Value What it measures Window Observed Source
Latest published version 0.1.0 Latest version string the maintainer published to the registry. as of fetch Model Context Protocol
Registry record last updated 2026-06-10 When the registry record was last updated by its maintainer. point in time Model Context Protocol
First listed in the MCP Registry 2026-06-10 Date this server was first published to the official MCP Registry. Not a usage or quality measure. point in time Model Context Protocol
mcp tools declared 12 tools Number of functions the server itself declared when asked to list them. This is what the server offers an agent, not a measure of how well any of them work. as of probe api.mcp.ai
mcp endpoint status ok The server listed 12 functions when asked. as of probe api.mcp.ai

Where to get it

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This record as data

Every field on this page, with its source and observation date, is in the catalog JSON. Fetch the whole kind at once instead of parsing this HTML.

GET /api/v1/entries/mcp_server.json

Sources

  1. Tools declared by the MCP server at https://api.mcp.ai/p_notafiscal — api.mcp.ai, observed , trust tier 4.
  2. Official MCP Registry — Model Context Protocol, observed , trust tier 1.