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DF-e MCP Server

answering

DF-e is answering right now. Last checked 8 min ago. It exposes 12 tools. Last commit 30 Aug 2026.

Brazilian SEFAZ e-invoices (NF-e, CT-e) issued against your company. A1 cert, DANFE PDF.

Uptime history 11 days of history · worst day 99%
11 days agonow
100.0%
Uptime 24h
92 of 92 checks
12
Tools
read from the server
583 ms
Response time
average over 24h
0
Stars
last commit 30 Aug 2026

What changed 18

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 31 August 2026. No other catalogue keeps this.

9 Sep a tool changed version
8 Sep a tool changed version
7 Sep a tool changed version
6 Sep a tool changed version
5 Sep a tool changed version
4 Sep a tool changed version
3 Sep a tool changed version3 times that day
2 Sep a tool changed version6 times that day
1 Sep a tool changed version2 times that day
31 Aug a tool changed version
and 8 more, back to 31 August 2026

DF-e does not always answer

Over the last week it answered 99.8% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

run in your terminal
claude mcp add dfe-mcp --transport http https://api.mcp.ai/p_dfe
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "dfe-mcp": {
      "url": "https://api.mcp.ai/p_dfe"
    }
  }
}
~/.codex/config.toml
[mcp_servers.dfe-mcp]
url = "https://api.mcp.ai/p_dfe"
.cursor/mcp.json
{
  "mcpServers": {
    "dfe-mcp": {
      "url": "https://api.mcp.ai/p_dfe"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "dfe-mcp": {
      "url": "https://api.mcp.ai/p_dfe"
    }
  }
}

Available tools 12

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

dfe
dfe_consultar_chave
Busca um documento pela chave de acesso de 44 dígitos. LIMITES: só documentos que chegaram ao Ambiente Nacional nos ÚLTIMOS 90 DIAS, e nunca a nota em que este CNPJ é o EMITENTE (a SEFAZ não devolve a própria emissão).
dfe_consultar_nsu
Busca UM documento específico pelo NSU. Serve para recuperar um item que falhou na descompactação durante a sincronização — não para varrer a fila (isso é dfe_sincronizar).
dfe_gerar_danfe
Gera o DANFE (o PDF da nota) a partir do XML. A SEFAZ distribui XML, não PDF, então esta é a representação gráfica para imprimir, anexar ou mandar pro cliente. COMO USAR: passe em `xml` o conteúdo do documento que veio em dfe_sincronizar (campo `documentos[].xml`). Assim NÃO gasta consulta na SEFAZ. Se não tiver o XML em mãos, use `chave` ou `nsu` — mas aí gasta uma das consultas da hora. SÓ FUNCIONA com documento `completo: true`. Documento `resumo` não tem os itens, e sem itens não existe DANFE: o XML completo só sai depois da manifestação do destinatário. A resposta traz um link de download em `files[]`, entregue ele ao usuário. Não tente ler o conteúdo do arquivo, é binário.
dfe_list_accounts
Lista os CNPJs conectados neste install (razão social, CNPJ e UF).
dfe_orcamento
Quantas consultas ainda cabem nesta hora para este CNPJ, e se ele está bloqueado. Não consome consulta. Chame isto antes de uma carga grande — o limite da SEFAZ é por CNPJ e conta também o que outros sistemas do cliente consultarem.
dfe_sincronizar
Puxa os documentos fiscais NOVOS emitidos contra este CNPJ (nota de fornecedor, evento, CT-e) — NFeDistribuicaoDFe. COMO USAR: chame com `ult_nsu: "0"` na primeira vez. A resposta traz `proximo_nsu` — passe ELE na chamada seguinte, sem alterar. Repita até `fim_da_fila: true`. PARE quando `fim_da_fila` for true. Continuar consultando depois disso é o que a SEFAZ pune com bloqueio de 1 hora no CNPJ. Cada documento vem com `completo`: true = XML íntegro da nota (dá para auditar em auditor_fiscal_auditar_nota); false = apenas RESUMO (chave, emitente, valor), que é o que a SEFAZ entrega enquanto o destinatário não fizer a manifestação. ATENÇÃO: este serviço NÃO devolve as notas que VOCÊ emitiu — só as recebidas. Para auditar a própria emissão, pegue o XML no seu ERP (ex.: omie_get_invoice_xml).
authenticate
authenticate
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
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
marketplace
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.
report
report_bug
Report a bug, missing feature, or send feedback. Include the conversation array with recent messages for reproduction.
show
show_version
Show the current MCP platform and adapter versions.
toolkit
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.

Endpoints

URLTransportStateLatencyChecked
https://api.mcp.ai/p_dfe streamable-http answering 305 ms 8 min ago

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DF-e — questions

Answers built from our own checks of this server.

What can DF-e do?
It exposes 12 tools, read directly from the server on our last check. Among them: authenticate, connect, dfe_consultar_chave, dfe_consultar_nsu, dfe_gerar_danfe, dfe_list_accounts and 6 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is DF-e working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 583 ms. The bar chart above shows every period we have measured.
How do I connect DF-e?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does DF-e need an API key?
No. DF-e completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 12 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is DF-e?
It answers our handshake in 583 ms on average, which is faster than 26% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is DF-e open source?
Yes — it is published under the MIT licence and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.