Check a Brazilian company registry record (CNPJ) before paying. Says what was not checked.
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Check a Brazilian company (CNPJ) before paying it: registration status at Receita Federal, company age and the registered name to compare with whoever is charging. Returns signals with their sources; it does not assert fraud. Website checks are not active in this version. Confere empresa (CNPJ) antes de um pagamento. Free, rate-limited.
CNPJ of the Brazilian company, with or without punctuation (the alphanumeric format is accepted). CNPJ da empresa, com ou sem pontuação.
Company website or domain; only .br domains can be checked. Site ou domínio da empresa; só domínios .br são conferidos.
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http confere https://confere.guilherme-gaiga.workers.dev/mcp
Check a Brazilian company (CNPJ) before paying it: registration status at Receita Federal, company age and the registered name to compare with whoever is charging. Returns signals with their sources; it does not assert fraud. Website checks are not active in this version. Confere empresa (CNPJ) antes de um pagamento. Free, rate-limited.
| Argument | Type | Description |
|---|---|---|
| cnpj | string | CNPJ of the Brazilian company, with or without punctuation (the alphanumeric format is accepted). CNPJ da empresa, com ou sem pontuação. |
| site | string | Company website or domain; only .br domains can be checked. Site ou domínio da empresa; só domínios .br são conferidos. |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"cnpj": {
"type": "string",
"maxLength": 40,
"description": "CNPJ of the Brazilian company, with or without punctuation (the alphanumeric format is accepted). CNPJ da empresa, com ou sem pontuação."
},
"site": {
"type": "string",
"maxLength": 300,
"description": "Company website or domain; only .br domains can be checked. Site ou domínio da empresa; só domínios .br são conferidos."
}
}
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 14, 2026.