Kyb Brasil

Reliability

Latest check failed 31 h ago: initialize returned HTTP 404

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "kyb-brasil": {
      "type": "http",
      "url": "https://kyb-br-agents.marcelfons.workers.dev/mcp"
    }
  }
}

11 tools

• br_about

  Free. What KYB Brasil is and why to use it over a plain registry check: every tool with price and HTTP route, how x402 payment works, free-tier limits, the attestation key, docs (OpenAPI, llms.txt, skill.md) and sources. Call it first when you do not know the service.

• br_company_check

  Free. Brazilian company (CNPJ) registration check at the Receita Federal: status (ATIVA/BAIXADA/INAPTA...), legal name, CNAE, size, age, normalized address. Structured JSON plus a summary in English and Portuguese, with sources[] and data_freshness. Rate limited (50/day).

• br_company_search

  Free. Find a Brazilian company's CNPJ by name (legal or trade name, optional state/UF) in the Receita Federal registry of ACTIVE establishments (monthly dump; individual entrepreneurs/MEI not indexed, query those by CNPJ). Returns up to 20 candidates with CNPJ, names…

• br_company_count

  Free. How many ACTIVE Brazilian establishments match a prospecting filter (CNAE code or prefix, state/UF, city, opening date range, headquarters only), from the Receita Federal monthly registry. Use it to budget pages before paying for br_company_list. Rate limited (50/day).

• br_replay

  Free. Fetch again, without paying, a paid answer from the last 10 minutes using the receipt.replay_token it carried. Use it when the first response was lost (timeout, disconnect) instead of paying twice.

• br_sanctions_screen

  Screen a Brazilian CNPJ, all branches of the same company (CNPJ root) and its corporate partners against the official CGU sanction lists: CEIS (debarred), CNEP (anti-corruption penalties), CEPIM (barred non-profits), leniency agreements, plus the Ministry of Labour forced-labour…

• br_risk_screen

  Red flags a registry check misses, a third of the dossier price: Receita Federal status + sanctions (CEIS/CNEP/CEPIM/leniency/forced labour) + PGFN debt and fiscal regularity (Simples/MEI, CND hint) + IBAMA embargoes + court cases (DJEN, 12 months) + OFAC/UN/EU screening +…

• br_company_dossier

  One-call KYB due diligence, beyond a registry check: Receita Federal registration + ownership (no personal IDs) + economic group + sanctions (CEIS/CNEP/CEPIM/leniency/forced labour) + PGFN debt and fiscal regularity + IBAMA embargoes + court cases (DJEN) + federal contracts +…

• br_batch_sanctions

  Up to 10 CNPJs in one paid call (one payment, 25% off): br_sanctions_screen for each. Per-item errors are reported inline in results[]; the call fails (and is not charged) only when no item succeeds. Signed answer (Ed25519 attestation), verifiable at /v1/verify.

• br_batch_dossier

  Up to 10 CNPJs in one paid call (one payment, a third off): br_company_dossier for each. Per-item errors are reported inline in results[]; the call fails (and is not charged) only when no item succeeds. Signed answer (Ed25519 attestation), verifiable at /v1/verify.

• br_company_list

  Prospecting list: one page of 100 ACTIVE Brazilian establishments matching a filter (CNAE code or prefix, state/UF, city, opening date range, headquarters only), with CNPJ, legal and trade name, city/state, main activity and opening date. Stable paging by CNPJ; total and…

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