API Tools

exf.ia.br

Provides API access to Brazilian company records by CNPJ and construction work searches by number, company, or location.

x402 supported1 endpoint16 known toolsFirst detected October 21, 2026Last detected October 21, 2026

ENDPOINT 1

https://exf.ia.br/mcp

No auth detected

MCP server metadata

Name: Radar CNPJ
Version: 7e7648fa

Capabilities

tools

Server instructions

Radar CNPJ agent surface. Every tool is a call on the public API at https://exf.ia.br. Catalog and quota: https://exf.ia.br/api/ · spec: https://exf.ia.br/openapi.json. Every tool here is free, within its free limits; when a limit runs out, the tool says so. Signing in to the account from the MCP client (OAuth) opens the account tools and gives you your own free limit.

Known tools 16

search_construction

Find Brazilian CNO construction works by their 12-digit number, a company CNPJ, or a city and state.

Inferred read-only

api_index

The API index: operations, formats, authentication and limits.

Inferred read-only

health

Health of the company database.

Inferred read-only

get_cnpj

Brazilian company record by CNPJ (14 digits or the alphanumeric format), with the public records linked to the company in `data`: sanctions (CEIS, CNEP, CEPIM, leniency agreements and TCU) in `data.sancoes`; the last CNIA check of monitored companies in `data.cnia` (for a live check, use consulta_cnpj); federal tax debt (PGFN) in `data.dividaAtiva`, installment agreements in `data.parcelamentos`, the tax regime (ECF) in `data.regimeTributario`, tax incentives (SISEN, ECF, DIRBI and import waivers) in `data.beneficiosFiscais` and construction works (CNO) in `data.obras`; the Federal Revenue chronic tax debtor list in `data.devedorContumaz` (`consta: true` means barred from public tenders); environmental and labor risk in `data.ambiental` (Ibama fines and embargoes) and `data.trabalhoEscravo` (forced-labor list of the MTE); government contracts on PNCP in `data.governo`; partners on the politically exposed persons list (CGU) in `data.pep`; registrations with regulators (CVM, Central Bank, ANS, ANTT, ANP, ANEEL, Anatel, Anvisa, CNES, Cadastur and Ibama) in `data.registros`; BNDES financing in `data.bndes`; federal government disbursements in `data.pagamentos`; sales to federal agencies by invoice in `data.notasFederais`; federal contracts since 2013 in `data.contratosFederais`; and election campaigns that hired the company in `data.campanhas`.

Potential side effects

search

Search Brazilian companies by a term (`q`) and/or filters (`f`, a JSON string).

Inferred read-only

suggest

Up to eight Brazilian companies for a CNPJ, name, partner, phone or e-mail.

Inferred read-only

ref

Reference vocabularies for the filters: CNAE activity codes (`cnae`), municipalities (`municipio`) and legal natures (`natureza`).

Inferred read-only

avaliar

Evaluates a business idea in Brazil by how many companies are registered for it: the idea is mapped to a CNAE activity code and a place, and the answer counts the active, opened and closed companies there, shows how they are set up and gives a plain reading of the numbers.

Inferred read-only

ia_filters

Turns a plain-language description of the companies you want into filters for `search` (`f`).

Inferred read-only

local

The caller's approximate location (city and state) from the network edge.

Inferred read-only

contact

Write to the people behind the product: a question, or a sponsorship/partnership/advertising proposal.

Potential side effects

consulta_cadastro

Name, status, activity and address of a Brazilian company by CNPJ.

Inferred read-only

consulta_endereco

Addresses and companies at a CEP (Brazilian postal code), without counting against the daily free limit.

Inferred read-only

consulta_sugerir

Suggests up to 8 Brazilian companies for a CNPJ, company name, partner, phone or e-mail, ordered by how well they match.

Inferred read-only

consulta_cnpj

Brazilian company record by CNPJ from the Federal Revenue (Receita Federal), with the special status when there is one (bankruptcy, judicial recovery, liquidation); its sanctions (CEIS, CNEP, CEPIM, leniency agreements, TCU and the CNJ's CNIA, checked live); partners on the politically exposed persons list (CGU); tax status (federal tax debt, installment agreements, tax incentives and construction works); the Federal Revenue chronic tax debtor list (`devedorContumaz.consta`: barred from public tenders); environmental and labor risk (forced-labor list, Ibama embargoes and fines); government contracts (PNCP, federal contracts since 2013 and sales to municipalities in the state of SP, from TCE-SP) and BNDES financing; registrations with regulators and official registries (CVM, Central Bank, ANS, ANTT, ANP, ANEEL, Anatel, Anvisa, CNES, Cadastur, Ibama, ANAC and SICAF); CVM investment funds; and the address on the map (CNEFE/IBGE).

Inferred read-only

consulta_cep

Addresses at a CEP (Brazilian postal code) with coordinates (CNEFE/IBGE) and the companies registered there.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.radar-cnpj]
url = "https://exf.ia.br/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "radar-cnpj": {
      "type": "http",
      "url": "https://exf.ia.br/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: radar-cnpj
Remote MCP URL: https://exf.ia.br/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "radar-cnpj": {
      "url": "https://exf.ia.br/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

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

Generic MCP

Client-specific MCP configuration

{
  "name": "radar-cnpj",
  "transport": "streamable-http",
  "url": "https://exf.ia.br/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.