← All servers

radar-cnpj

connects

radar-cnpj.com

Brazilian company registry (Receita): CNPJ lookup, CNAE search, idea evaluation, monitoring.

https://radar-cnpj.com/mcpWebsiteNo authMCP 2024-11-05vedc7a926last checked 5 Sep 2026spoke MCP on 2 of 2 checks (30 days)initialize in 131 ms

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

Claude CodeConnects

The endpoint answers an anonymous handshake, so no credential is needed.

claude mcp add --transport http radar-cnpj https://radar-cnpj.com/mcp

Claude Code docs · read on 2026-08-30

Claude (claude.ai & Desktop)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Connectors → Add custom connector, then paste https://radar-cnpj.com/mcp.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

ChatGPTConnects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Apps → Advanced settings → Developer mode, then create a connector pointing at https://radar-cnpj.com/mcp.

ChatGPT docs · read on 2026-08-30

CursorConnects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "mcpServers": {
    "radar-cnpj": {
      "url": "https://radar-cnpj.com/mcp"
    }
  }
}

Cursor docs · read on 2026-08-30

VS Code (Copilot)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "servers": {
    "radar-cnpj": {
      "type": "http",
      "url": "https://radar-cnpj.com/mcp"
    }
  }
}

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 5 Sep 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme
No auth
Protected-resource metadata
Not found

Without it a client has to guess where the authorization server lives.

Anonymous access
Handshake succeeds; 13 tools listable

Tools

add_watchapi_indexavaliarcontactget_cnpjhealthia_filterslist_watcheslocalmonitor_sessionrefsearchsuggest

Contract history

5 Sep 2026vedc7a926no contract changes
5 Sep 2026vb852c8c1first recorded contract

Get alerted when this contract changes

Depend on this server? Leave an email and get a message when a probe records a change — a tool removed, an argument newly required, an enum narrowed. Alerts are being built; signing up is what tells us to hurry.

Prefer a feed reader? This page's contract changes are also an Atom feed.

Own this server?

Sign in to claim this listing by proving control of its host.

Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

MCP status badge for radar-cnpj
[![MCP status](https://mcpi.app/servers/radar-cnpj/badge.svg)](https://mcpi.app/servers/radar-cnpj)