Prototype · Preview: every server in the official registry, synced every 30 minutes. Reviews and accounts come in a later step.
PopNx MCPMCP servers for people who use AI · explained in plain words

Radar Cnpj

by wrpbrversion 1.0.1i★ –iRuns in the cloud
Registry namecom.radar-cnpj/radar-cnpj

Install

Overview

Description from the maker (original English)

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

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs in the cloud
  • Transport: Streamable HTTP
  • Category: Search & AI memory

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • The registry lists no key to fill in.

You need

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://radar-cnpj.com/mcp

Run this in your terminal

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

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://radar-cnpj.com/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain radar-cnpj.com (the registry checks domain ownership)

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • … Not checked yet

    Endpoint responds

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    Sign-in with OAuth

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Search & AI memoryi

  • More stars than 0% of the other 7251 servers in this category
  • Published to the registry more recently than 62% of the other 7251 servers in this category
  • Basic checks equal to or better than 100% of the other 7251 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Radar Cnpj safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.1) reached the registry 23 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Context7, Codebase Memory, Exa

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Context7

by upstash

Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.

Computer or cloud★ 64,224MITUpdated today
Install

Codebase Memory

by DeusData

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

Runs on your computer★ 48,148MITUpdated 20 days ago
Install

Exa

by exa-labs

Connect AI agents to Exa for web search, content fetching, and multi-step research.

Runs in the cloud★ 5,213MITUpdated last month
Install

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Radar CNPJ — skill and MCP server for AI agents

Radar CNPJ gives your agent a Brazilian company's registration status, public sanctions and federal tax debt in one free response. The records are already joined by CNPJ, with source dates. Use the result without collecting and combining each source. This repository supplies the skill and remote MCP connection for your agent.

Site: https://radar-cnpj.com · MCP server: https://radar-cnpj.com/mcp?checkout=site · Prices: https://radar-cnpj.com/pricing · API docs: https://radar-cnpj.com/developers

What your agent can do

  • Look up a company by CNPJ: status, activities (CNAE), address, partners, sanctions (CEIS, CNEP, CEPIM, TCU and CNIA), federal tax debt and contracts with the government.
  • Search companies by name, trade name, partner, phone, address or activity, in a state or a city.
  • Check a list of suppliers or customers in one call.
  • Evaluate a business idea: count the active, opened and closed companies of an activity in a place.
  • Monitor a CNPJ and read its changes.

For a basic check, use get_cnpj with temas: "dados,sancoes,divida". Read data.situacao.label, data.sancoes.vigentes and data.dividaAtiva.inscricoes. Use health for the registry snapshot date. Each linked source keeps its own date.

Buy only the addition the task needs: a required CNIA source check, a formatted supplier report, available details without a mask, a risk dossier or continued monitoring. For a required CNIA check, set cnia_atual: true on consulta_cnpj or dossier_cnpj. Source failure returns 503 without charging or using an older CNIA. Without this requirement, inspect the returned CNIA date. The batch preserves source dates, evidence and truncation flags. It uses stored CNIA by default. A required source check uses cnia_atual: true for at most four distinct numeric CNPJs per group, with refusal without charging if the source fails. Check the quote, existing access and expiry before paying. Paying does not refresh all source snapshots or issue an official certificate. An existing registry API can be enough for status alone.

Try: *"Check CNPJ 33.000.167/0001-01 for sanctions and federal tax debt."* or *"How many bakeries are active in Águas Claras, DF?"*

Install

Claude Code, as a plugin with the skill and the MCP server:

/plugin marketplace add wrpbr/radar-cnpj

/plugin install radar-cnpj@radar-cnpj

Any agent that reads Agent Skills (Claude Code, Codex, Cursor, OpenCode and others):

npx skills add wrpbr/radar-cnpj

Only the MCP server (remote, Streamable HTTP, no key for the free tools):

claude mcp add --transport http radar-cnpj 'https://radar-cnpj.com/mcp?checkout=site'   # Claude Code

codex mcp add radar-cnpj --url 'https://radar-cnpj.com/mcp?checkout=site' # Codex

{ "mcpServers": { "radar-cnpj": { "url": "https://radar-cnpj.com/mcp?checkout=site" } } }

The JSON above goes in .cursor/mcp.json for Cursor and in the MCP settings of most other clients. In Claude.ai and Claude Desktop, open Settings → Connectors → Add custom connector and paste the server address.

Price

The public CNPJ record and search need no key. The additional company check has its own free allowance. The company dossier and extra monitoring use paid access. Read /api/pricing for current allowances and prices. You buy plans and prepaid credit on the site. With checkout=site, the MCP server has no purchase tool or x402 payment argument. The agent shows the price and the link, and after your purchase it uses your credit token. The current prices are at https://radar-cnpj.com/pricing.

For an agent authorized to pay, the direct /mcp also exposes existing per-call services without an account. Read /api/pricing and /api/billing first. An x402 quote is in structuredContent; retry with params._meta["x402/payment"] only within the user's budget. The site offers Pix or card only when that method is enabled.

What the plugin sends

The skill tells the agent to call the Radar CNPJ API at radar-cnpj.com. The MCP server also runs at radar-cnpj.com. Your queries (CNPJ numbers, search terms and places) go to radar-cnpj.com over HTTPS. A credit token goes only when you give one for a paid call. The plugin runs no local program and reads no local file.

Data and limits

The data comes from the public CNPJ dump of Receita Federal and from the public databases that each answer names, with their dates. Radar CNPJ is not an official certificate. Partner names, phones and e-mails are masked by default. Use personal data only for a legitimate purpose, as the Brazilian data protection law (LGPD) requires.

Em português

O Radar CNPJ reúne situação cadastral, sanções públicas e dívida da União em uma resposta gratuita, com fontes e datas. O cruzamento pelo CNPJ já está pronto. Este repositório traz a skill e a conexão com o servidor MCP remoto. Instale com os comandos acima. A consulta de CNPJ pública e a busca não pedem chave. A consulta adicional tem franquia própria. Neste plugin, a pessoa compra no site; o agente usa o crédito que ela fornecer. O MCP direto também oferece chamadas pagas por x402, com autorização e orçamento. Compre só o acréscimo que falta à tarefa. CNIA exigido durante o pedido usa cnia_atual: true: se a fonte falhar, a consulta ou o dossiê recusam sem cobrar nem usar o registro anterior. Os preços estão em https://radar-cnpj.com/pricing.

Files

FileWhat it is
skills/radar-cnpj/SKILL.mdThe skill: which tool answers which question, and the rules for paid calls and personal data
.mcp.jsonThe remote MCP server of the plugin
.claude-plugin/plugin.jsonThe plugin manifest
.claude-plugin/marketplace.jsonLets Claude Code add this repository as a plugin marketplace
server.jsonThe manifest in the official MCP registry (com.radar-cnpj/radar-cnpj)
glama.jsonThe maintainer for the Glama MCP directory

License and contact

The files in this repository are under the MIT-0 license. The Radar CNPJ service and its data are not part of this license: their use follows the terms of use and the privacy policy. For questions or problems, open an issue here or write to contato@radar-cnpj.com.

Ask PopNx