Koskamo

CNPJ Completo MCP

This MCP server enables AI agents to query Brazilian company data (CNPJ) including corporate details, partners, addresses, active debts, and sanctions directly from the Receita Federal database. It supports both free and paid tiers with rate limits.

Visit CNPJ Completo

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

CNPJ Completo MCP logo, by CNPJ CompletoVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-06Operated by CNPJ Completo
MCP endpoint (Streamable HTTP)
https://cnpjcompleto.com.br/mcp
Vendor documentation

What its tools do

1 tool, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (1)

1 of 1 have a description · 1 of 1 declare behavior hints · 1 of 1 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Passed Official MCP Registry namespace is tied to cnpjcompleto.com.br ·
  • Passed Endpoint is on the registry namespace domain ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Retrieve corporate details and partner information for a Brazilian company
  • Check for active debts and legal sanctions against a CNPJ
  • Validate CNPJ status and basic contact information

Source and maintenance

Vendor evidenceRegistry 1.0.1
mcp-registry: br.com.cnpjcompleto/cnpj@1.0.1Project website

Protocol and capabilities

Server
CNPJ Completo 1.0.0
MCP protocol negotiated in check
2025-11-25
Tools
1 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {}
}

Tools

1 advertised

consultar_cnpj — Consultar CNPJ
Advertised by the server during the last successful anonymous check.
Advertised read-only

Dados públicos de uma empresa brasileira ativa, da Receita Federal: razão social, nome fantasia, abertura, natureza jurídica, porte, Simples, capital social, atividades (CNAE), endereço, telefones, e-mail e sócios, e se consta na dívida ativa da União, no CEIS, no CNEP ou na lista do trabalho escravo; com chave, o valor e a situação da dívida e as sanções. Aceita CNPJ numérico ou alfanumérico, com ou sem pontuação.

consultar_cnpj input schema
{
  "type": "object",
  "required": [
    "cnpj"
  ],
  "properties": {
    "cnpj": {
      "type": "string",
      "description": "O CNPJ, como 11.222.333/0001-81 ou 11222333000181"
    }
  }
}
consultar_cnpj annotations
{
  "readOnlyHint": true,
  "openWorldHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (1 of 1 answered).

  1. 2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
281 ms
95th percentile latency
281 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 281 ms · metadata changed · 1 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you 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.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http cnpj-completo-mcp https://cnpjcompleto.com.br/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add cnpj-completo-mcp --url https://cnpjcompleto.com.br/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable cnpj-completo-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "cnpj-completo-mcp": {
      "url": "https://cnpjcompleto.com.br/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "cnpj-completo-mcp": {
      "type": "streamableHttp",
      "url": "https://cnpjcompleto.com.br/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start cnpj-completo-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "cnpj-completo-mcp": {
      "type": "http",
      "url": "https://cnpjcompleto.com.br/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http cnpj-completo-mcp https://cnpjcompleto.com.br/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://cnpjcompleto.com.br/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "cnpj-completo-mcp": {
      "serverUrl": "https://cnpjcompleto.com.br/mcp"
    }
  }
}

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Do you run CNPJ Completo MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

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