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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "cnpj": {
      "type": "http",
      "url": "https://mcp.cnpj.ia.br",
      "headers": {
        "Authorization": "Bearer ${CNPJ_TOKEN}"
      }
    }
  }
}

claude mcp add --transport http cnpj https://mcp.cnpj.ia.br --header "Authorization: Bearer ${CNPJ_TOKEN}"

[mcp_servers.cnpj]
url = "https://mcp.cnpj.ia.br"
bearer_token_env_var = "CNPJ_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "cnpj": {
      "type": "remote",
      "url": "https://mcp.cnpj.ia.br",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:CNPJ_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "cnpj": {
      "type": "http",
      "url": "https://mcp.cnpj.ia.br",
      "headers": {
        "Authorization": "Bearer ${CNPJ_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=cnpj&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmNucGouaWEuYnIiLCJoZWFkZXJzIjp7IkF1dGhvcml6YXRpb24iOiJCZWFyZXIgJHtDTlBKX1RPS0VOfSJ9fQ%3D%3D"
}

{
  "servers": {
    "cnpj": {
      "type": "http",
      "url": "https://mcp.cnpj.ia.br",
      "headers": {
        "Authorization": "Bearer ${CNPJ_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "cnpj": {
      "httpUrl": "https://mcp.cnpj.ia.br",
      "headers": {
        "Authorization": "Bearer ${CNPJ_TOKEN}"
      }
    }
  }
}

extensions:
  "cnpj":
    enabled: true
    name: "cnpj"
    type: streamable_http
    uri: "https://mcp.cnpj.ia.br"
    headers:
      "Authorization": "Bearer ${CNPJ_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${CNPJ_TOKEN}. The registry never accepts secret values.

Quality 100 / 100strong

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

authorization100 · weight 15

pass
auth.prmProtected Resource Metadata (RFC 9728) published
pass
auth.as_metadataauthorization server metadata reachable
pass
auth.cimdClient ID Metadata Documents supported
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations4 of 4 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 773 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool history not recorded yet

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 773 tokens to load them all · checked 2026-10-19 16:20 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 96 / 100

provenance85

liveness100

freshness100

hygiene100

+repository +dns-namespace +website +reachable +uptime-100% +updated-27d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://mcp.cnpj.ia.br` streamable-http	oauth2 AS: https://mcp.cnpj.ia.br/	yes	100%	881 ms	–	2026-10-19

Tools (4)

`buscar_empresas`read-only	Busca empresas por filtros. Página de até 20, paginação por meta.next_cursor (repassar em cursor). Custa 1 crédito por empresa retornada; página vazia custa 0. Ferramenta de plano pago: no plano Free responde insufficient_plan.
`consultar_cnpj`read-only	Consulta um CNPJ na base. Custa 1 crédito no perfil basic (cadastro) e 6 créditos no perfil full (cadastro + telefones, e-mails, site, sócios sem CPF, regime tributário, faixa de funcionários e faturamento). Prefira basic.
`gerar_filtro`read-only	Converte uma descrição em português nos filtros de buscar_empresas. Fluxo em dois passos: (1) descreva o público; (2) passe os campos devolvidos a buscar_empresas, inteiros. O campo explicacao é texto para o usuário; buscar_empresas o aceita e ignora. Custa 1 crédito por chamada.
`ver_uso`read-only	Uso e franquia da conta (objeto Usage inteiro, sem envelope). Custo 0.

Schemas: list_tools.

Also listed as

1 other active names share this repository: br.com.oportunidados/mcp

Similar MCP servers

Official server.json

{
  "name": "br.ia.cnpj/mcp",
  "title": "cnpj.ia.br",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.cnpj.ia.br",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Opcional: Bearer cnpj_live_… (chave criada em app.cnpj.ia.br); clientes compatíveis autenticam por OAuth."
        }
      ]
    }
  ],
  "version": "0.1.1",
  "repository": {
    "url": "https://github.com/Atmosphere-Technologies/atmosphere_app",
    "source": "github",
    "subfolder": "mcp/cnpjia"
  },
  "websiteUrl": "https://cnpj.ia.br/docs/mcp",
  "description": "Empresas do Brasil (CNPJ): consulta por CNPJ, busca por filtros e uso da conta."
}