Radar Cnpj MCP server
Brazilian company registry (Receita): CNPJ lookup, CNAE search, idea evaluation, monitoring.
Little public usage data yet
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
Radar Cnpj tools (17, 1 write)
write = sends, deletes, buys or postsadd_watchFreeAdiciona CNPJ aos watches da sessão. Os primeiros 10 são grátis; depois volta 402 (x402, slot de 30 dias).
api_accessFreeMonthly data package and private purchase status, without charging.
api_access_buywrite actionFreeBuy 1,000 basic data reads for US$1, valid for 30 days. Requires explicit payment.
api_indexFreeÍndice da API Radar CNPJ (radar-cnpj.com).
avaliarFreeAvalia uma ideia de negócio contra a base da Receita (CNAE + lugar → contagem de ativas). Não estima busca no Google. POST /api/avaliar.
billingFreePayment discovery and billing summary; does not create a charge.
contactFreeContato. Agente sem captcha → 402 $0.10 x402. Após o 1º envio: 429 + Retry-After (backoff).
get_cnpjFreeFicha de empresa por CNPJ (14 dígitos).
healthFreeHealth da base.
ia_filtersFreeTexto natural → filtros (POST /api/ia).
list_watchesFreeLista watches da sessão.
localFreeGeo de borda do visitante (cidade/UF).
monitor_sessionFreeCria sessão anônima de monitoramento.
pricingFreeCurrent public prices and free allowances; no charge.
refFreeRef CNAE/município/natureza.
searchFreeBusca empresas (q e/ou filtros f=JSON).
suggestFreeAutocomplete.
Public scan report
scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 360ms20/20
- Tool poisoning17 tool descriptions checked15/15
- Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
- Maintenanceno repository listed3/15
- Maintainer identityverified namespace with website, no repo4/10
Findings (2)
- highWrite-action tools reachable without authentication
auth.open-write - lowNo source repository listed
maint.no-repo
Install directly
claude mcp add --transport http radar-cnpj https://radar-cnpj.com/mcp
Radar Cnpj: common questions
- Is Radar Cnpj MCP server safe?
- With care: it is graded C, so read the findings first (60/100). Read the Radar Cnpj safety report
- How do I install Radar Cnpj?
- It runs remotely at radar-cnpj.com. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Radar Cnpj need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Radar Cnpj maintained?
- The latest release is v1.0.0.
- Is Radar Cnpj up?
- 100% of our last 6 checks got an answer. We check remote servers about four times a day.
- What can I use instead of Radar Cnpj?
- Servers from other publishers that do the same job: Find MCP - Agentage MCP Directory MCP server, Neuronto Agentic Resource Discovery (ARD) Index MCP server and Cronus UI MCP server. Compare all Radar Cnpj alternatives.
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