# cnd_federal — MCP server on mcp.ai
> Issues the federal tax clearance certificate (CND) for a person or company from the CPF or CNPJ. Platform-hosted, no credentials, pay per query with prepaid credit.

By: mcp.ai · official
Page: https://mcp.ai/cnd_federal

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_cnd_federal?ms=1787191260000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/cnd_federal/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/cnd_federal/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/cnd_federal/skill.md
Postman collection (v2.1): https://mcp.ai/cnd_federal/postman.json

## Tools
- cnd_federal_consultar(Cpf: string, Cnpj: string, ie: string, Uf: string, completo?: boolean) — Emite a Certidão Negativa de Débitos (CND) federal de uma pessoa ou empresa a partir do CPF ou CNPJ. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré-pago. Consulta infor

## Example prompts
- "Issue the federal CND for CNPJ 12345678000190"
- "Is CPF 12345678909 clear with the Revenue?"

## Links
Docs: https://mcp.ai/docs/mcps/cnd_federal
Website: https://mcp.ai/mcps/cnd_federal