Focus NFe

v0.2.0API Key

NF-e, NFS-e, and NFC-e emission with automatic SEFAZ validation. Simplified fiscal compliance for any Brazilian business.

19 tools1 env vars🇧🇷 Brazilstable on npm

Install

terminal

$ npm install @codespar/mcp-focus-nfe

Quickstart

Add this entry to your claude_desktop_config.json (or any MCP-compatible client config).

claude_desktop_config.json

{
  "mcpServers": {
    "focus-nfe": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-focus-nfe"
      ],
      "env": {
        "FOCUS_NFE_TOKEN": "<your_focus_nfe_token>"
      }
    }
  }
}

After restart, your agent can call any of the 19 tools below — try create_nfe first.

Environment variables · 1

Required to authenticate the server. Stored encrypted when using CodeSpar managed hosting.

FOCUS_NFE_TOKEN

requiredsecret

API key for focus-nfe

Available tools · 19

Each tool is independent — your agent loads only what it needs to reduce context and response time.

WRITEcreate_nfe

Create and emit an NFe (nota fiscal eletronica)

READget_nfe

Get NFe details and status by reference

DELETEcancel_nfe

Cancel an authorized NFe (within 24h of emission)

READget_nfe_pdf

Get NFe PDF (DANFE) download URL

WRITEsend_correction_letter

Send a correction letter (Carta de Correcao / CCe) for an authorized NFe

WRITEcreate_nfse

Create and emit an NFSe (nota fiscal de servico)

READget_nfse

Get NFSe details and status by reference

DELETEcancel_nfse

Cancel an authorized NFSe

Compatible frameworks

MCP is a protocol — any framework that speaks it can mount this server.

Claude Agent SDKAnthropic

OpenAI AgentsOpenAI

Vercel AI SDKVercel

LangChainLangChain

LlamaIndexLlamaIndex

CrewAICrewAI

MastraMastra

Any MCP clientProtocol

Frequently asked questions

All credentials are encrypted at rest in an isolated vault scoped per organization. OAuth2 tokens are automatically refreshed before expiry. Your agent code never sees raw secrets — it receives scoped, short-lived session tokens.