# CNPJ e CEP Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## CNPJ e CEP

Look up Brazilian companies by CNPJ, postal codes, holidays, banks, tax rates and validate tax IDs

- Record: https://musedirectory.ai/connector/cnpj-e-cep
- Category: Finance & Bills
- Developer: Ciro Maciel (https://ciromaciel.click/mcp/brazil-lookup)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 179ms, checked 2026-10-29T18:31:34Z
- Endpoint: https://brazil-lookup.mcp.myagents.click/mcp
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-10-29T18:31:34Z)
- Source: Found in the official MCP Registry (click.myagents/brazil-lookup) https://registry.modelcontextprotocol.io/v0/servers?search=click.myagents%2Fbrazil-lookup

Connects to Brazilian business and tax databases. Look up company details by CNPJ, find postal codes by CEP, check holidays, validate CPF and CNPJ numbers, and access tax reference rates like Selic and IPCA.

Example request: "What is the registered address and details for this Brazilian company CNPJ?"

How to connect: CNPJ e CEP is not in Muse's Connectors list yet, and it needs you to sign in with your CNPJ e CEP account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Screening checks:
- MCP handshake: pass (Requires sign-in (publishes OAuth metadata))
- Domain against threat feeds (Cloudflare security DNS): pass (brazil-lookup.mcp.myagents.click, ciromaciel.click not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: n/a (Tools are behind sign-in)
- Inputs asking for passwords, card numbers or seed phrases: n/a (Tools are behind sign-in)
- Domain and redirects: pass (Domain registered 519 days ago)
- AI review of purpose and tool behavior: pass (No concerns)