# ceis — how to use (mcp.ai)

Checks whether a person or company is in the register of disreputable and suspended firms (CEIS) from the CPF or CNPJ. Platform-hosted, no credentials, pay per query with prepaid credit.

## Option A — via MCP (recommended)
Remote MCP endpoint (HTTP, streamable): `https://api.mcp.ai/p_ceis?ms=1787191620000`
Add it as a custom/remote MCP connector in your client (Claude, Cursor, VS Code…), then authenticate when prompted. Once connected, ask the agent to use the server's tools (e.g. `ceis_consultar`).

## Option B — via direct REST API
Base URL: `https://api.mcp.ai/api/ceis`
Auth: `Authorization: Bearer sk_live_…` — create a workspace API key at https://mcp.ai/settings/api-keys
Discover endpoints: `GET https://api.mcp.ai/api/ceis/_endpoints`

### Endpoints
- `POST https://api.mcp.ai/api/ceis/consultar` — Verifica se uma pessoa ou empresa consta no Cadastro de Empresas Inidôneas e Suspensas (CEIS) a partir do CPF ou CNPJ. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré-pa
  - body: { Cnpj: string, Cpf: string, completo?: boolean }

## Example prompts
- "Is CNPJ 12345678000190 in the CEIS?"
- "Is company CNPJ 12345678000190 disreputable or suspended?"

## More
- Page: https://mcp.ai/ceis
- Agent spec (llms.txt): https://mcp.ai/ceis/llms.txt
- Postman collection: https://mcp.ai/ceis/postman.json