apipj · API de CNPJ
REMOTE · APIPJ.COM.BR
CNPJ API: Brazilian company records (Receita Federal open data). Google sign-in or API key
Available components
Last scanned (26 minutes ago)
Scores higher than 89% of remote servers
Reachable. Last reached 5 Nov 2026.
Category CRM and Sales
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security83
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC is configured correctly; the domain's records validate against the full chain to the root. View diagnostics → Pass
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability66
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 752 tokens (~188/item across 4 items; 4 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management77
- Stability observed for 23 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 5 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 5 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes.
- 3 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 67 to 70. That category is still filling its 30-day observation window: 20 days of observed history at the previous scan, 21 at this one. The score rises as the window fills, whether or not the server changes.
- 1 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes.
- 29 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.
- 28 Oct 26 −1
- The server rewrote its instructions, which are the text every model session reads security
- Schema quality: 136 → 188 ▼ functional
- New tool “buscar_cnpjs” functional
- 26 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes.
- 24 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes.
- 22 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 5 Nov 2026 · Probed https://apipj.com.br/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=apipj.com.br | CN=YE2,O=Let's Encrypt,C=US | 9 Oct 2026 | 7 Jan 2027 | ECDSA 256 | ECDSA-SHA384 | 5c4faae03e005662bedead19fd78e0aec88 |
| SANs: apipj.com.br | ||||||
| CN=YE2,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 4df3b15dd6c0784c507cd37b58e6f115 |
| CN=Root YE,O=ISRG,C=US (CA) | CN=ISRG Root X2,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | ECDSA-SHA384 | 872165fc34b6e5fba8add5b3705fb53a |
| CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | SHA256-RSA | 6c8f1dc727c7117f7baf853ac980f9cd |
Background: What to check on a remote MCP endpoint →
DNSSEC secure
Validation of apipj.com.br. — Secure
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| br. | present | 38298 | 13 | Verified |
| com.br. | present | 50930 | 13 | Verified |
| apipj.com.br. | present | 25625 | 13 | Verified |
| apipj.com.br. | Verified address RRset verified with the apex keys |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=31536000 |
| content-security-policy | default-src 'none'; frame-ancestors 'none' |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=(), payment=(), usb=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://apipj.com.br/mcp | Verified | 200 | |
| http (plaintext) | http://apipj.com.br/mcp | HTTPS enforced | 308 | https://apipj.com.br/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
buscar_cnpjs Buscar CNPJs por atividade e município ~326
Lista estabelecimentos ativos da base da Receita Federal pela atividade econômica principal (CNAE, 7 dígitos) e/ou pelo município (código da Receita com 4 dígitos ou do IBGE com 7); pelo menos um dos dois filtros. Devolve {dataset_month, total, resultados, proximo_cursor}: cada resultado tem os dados cadastrais da consulta individual, sem o quadro de sócios. A página tem no máximo o limite por minuto do plano (ou o argumento limite, até esse valor) e cada CNPJ devolvido consome 1 da cota mensal e 1 do limite por minuto; a próxima página vem com cursor = proximo_cursor (null no fim). Exige a conta apipj, como consultar_cnpj.
| Name | Type | Req | Description |
|---|---|---|---|
| cnae | string | – | CNAE da atividade principal, 7 dígitos, com ou sem pontuação (ex.: 4781400 ou 47.81-4-00) |
| cursor | string | – | proximo_cursor da página anterior, com os mesmos filtros |
| formato | string | – | completo (padrão) ou simplificado, como em consultar_cnpj (sem sócios) |
| limite | integer | – | Tamanho máximo da página, de 1 até o limite por minuto do plano (padrão: esse limite) |
| municipio | string | – | Código do município da Receita (4 dígitos, ex.: 7107 = São Paulo) ou do IBGE (7 dígitos, ex.: 3550308) |
No output schema declared.
No examples provided.
consultar_cnpj Consultar CNPJ ~200
Dados cadastrais públicos de um CNPJ na base da Receita Federal (lote mensal): razão social, nome fantasia, situação cadastral, endereço, telefones, e-mail, atividades CNAE, natureza jurídica, porte, capital social, Simples/MEI e sócios (CPF mascarado). Exige uma conta apipj: o cliente pede para conectar e entrar com o Google (OAuth) ou envia uma chave de API; cada consulta conta no limite por minuto e na cota mensal do plano da conta.
| Name | Type | Req | Description |
|---|---|---|---|
| cnpj | string | yes | CNPJ com ou sem pontuação, numérico ou alfanumérico (ex.: 11.378.117/0001-20) |
| formato | string | – | completo (padrão: objetos aninhados, datas ISO e códigos da Receita) ou simplificado (plano, com datas DD/MM/AAAA e CNPJ, CEP e telefone formatados) |
No output schema declared.
No examples provided.
status_base Status da base ~46
Status do serviço e da base de CNPJ: mês do lote da Receita Federal carregado, data de geração e quantidade de CNPJs. Sem chave e sem consumo de cota.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
validar_cnpj Validar CNPJ ~99
Confere formato e dígitos verificadores de um CNPJ (numérico ou alfanumérico) sem consultar a base. Devolve cnpj, valido, formatado, alfanumerico e erro. Sem chave e sem consumo de cota.
| Name | Type | Req | Description |
|---|---|---|---|
| cnpj | string | yes | CNPJ com ou sem pontuação, numérico ou alfanumérico (ex.: 11.378.117/0001-20) |
No output schema declared.
No examples provided.
How do I install the apipj · API de CNPJ MCP server?
apipj · API de CNPJ is a hosted endpoint at https://apipj.com.br/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · apipj.com.br
claude mcp add --transport http br-com-apipj-cnpj 'https://apipj.com.br/mcp'
What is the apipj · API de CNPJ MCP server?
apipj · API de CNPJ is an MCP server listed in the public MCP registry as br.com.apipj/cnpj. CNPJ API: Brazilian company records (Receita Federal open data). Google sign-in or API key. This page covers its hosted endpoint (https://apipj.com.br/mcp).
Is the apipj · API de CNPJ MCP server safe to use?
apipj · API de CNPJ scores 84 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the apipj · API de CNPJ MCP server expose?
apipj · API de CNPJ exposes 4 tools: consultar_cnpj, validar_cnpj, status_base, buscar_cnpjs. Their descriptions and schemas cost roughly 671 tokens of context every time the server is loaded.
Does the apipj · API de CNPJ MCP server require authentication?
No. We connected to apipj · API de CNPJ without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the apipj · API de CNPJ MCP server still maintained?
apipj · API de CNPJ is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.