mcp-nfe-io MCP

An open-source Model Context Protocol server for NFe.io, enabling AI agents to interact with Brazilian fiscal documents. It supports operations for NF-e (Electronic Invoice), NFS-e (Service Invoice), CNPJ validation, and CEP (postal code) lookups, facilitating automated fiscal and logistics workflows in Latin American commerce.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by codespar

Vendor documentation

What you can do with it

Generate and manage NF-e (Electronic Invoices)
Process NFS-e (Service Invoices)
Validate CNPJ (company registration numbers)
Lookup CEP (postal codes)

Source and maintenance

Community listingRegistry 0.2.2

mcp-registry: io.github.codespar/mcp-nfe-io@0.2.2 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@codespar/mcp-nfe-io 0.2.2

npm

@codespar/mcp-nfe-io package definition

{
  "version": "0.2.2",
  "transport": "stdio",
  "identifier": "@codespar/mcp-nfe-io",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "NFEIO_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "API key for NFe.io (issuance + query)"
    },
    {
      "name": "NFEIO_COMPANY_ID",
      "format": "string",
      "description": "Default company ID (CNPJ or NFe.io company UUID) to use when not provided per-call"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "mcp-nfe-io-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-nfe-io@0.2.2"
      ],
      "env": {
        "NFEIO_API_KEY": "<YOUR_NFEIO_API_KEY>",
        "NFEIO_COMPANY_ID": "<YOUR_NFEIO_COMPANY_ID>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "mcp-nfe-io-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-nfe-io@0.2.2"
      ],
      "env": {
        "NFEIO_API_KEY": "<YOUR_NFEIO_API_KEY>",
        "NFEIO_COMPANY_ID": "<YOUR_NFEIO_COMPANY_ID>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "mcp-nfe-io-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-nfe-io@0.2.2"
      ],
      "env": {
        "NFEIO_API_KEY": "<YOUR_NFEIO_API_KEY>",
        "NFEIO_COMPANY_ID": "<YOUR_NFEIO_COMPANY_ID>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "mcp-nfe-io-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-nfe-io@0.2.2"
      ],
      "env": {
        "NFEIO_API_KEY": "<YOUR_NFEIO_API_KEY>",
        "NFEIO_COMPANY_ID": "<YOUR_NFEIO_COMPANY_ID>"
      }
    }
  }
}

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