Uptime (30d)%100.0

Latency (p50)652 msfaster than 28% of servers

Protocol eralegacy

Tools15

com.radar-cnpj/radar-cnpj

Description

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

What our measurements say

com.radar-cnpj/radar-cnpj is a remote MCP server published at radar-cnpj.com. It has been probed 13 times since 9/12/2026. It answered in 13 of them (100.0%), a near-uninterrupted record. Median response time is 652 ms, a delay an agent will notice. It exposes a broad tool surface of 15 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.

LegacyLegacy ⚠Website ↗Version: 41bd647dFirst probe: 2026-09-12 15:21:42Last probe: 2026-09-13 16:52:42

Agent readability score

Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.

Agent readability score

Tool names and descriptions lack clarity, but some tools have clear purposes and parameters.based on measured tool list

Strengths

Some tools like 'get_cnpj' and 'search' have clear, actionable purposes.
The 'avaliar' tool provides detailed context about its functionality.

Weaknesses

Tool names like 'health' and 'api_index' are vague and non-descriptive.
Descriptions often lack context for when tools should be used (e.g., 'suggest' only says 'Autocomplete').
Parameter types and requirements are inconsistently documented (e.g., 'f' in 'search' is a JSON string but not explicitly explained).

health — Name and description provide no actionable context.
suggest — Description is too brief ('Autocomplete') without use-case context.
ref — Description is unclear about its purpose or usage scenarios.
search — Parameter 'f' is a JSON string but lacks detailed explanation.

Verdict

The toolset has clear strengths in specific tools but suffers from vague naming, insufficient documentation, and overlapping functionalities that could confuse an agent. Improvements in clarity and consistency are needed for full usability.

9/12/2026, 8:39:39 PM

Event narrative

Server in legacy era with 100% compliance, no recent status changes.

Risk: low

Advice

Maintain legacy system stability. Investigate null smokeOk value. Monitor compliance score for consistency.

Supported versions

2024-11-05

as declared by server/discover + initialize

Capabilities

tools

Schema score

100

15 tools

Schema compliance

tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.

100/100

Excellent15 tools

tools/list schema valid
inputSchema is valid JSON Schema
Smoke test passed · last run: 2026-09-13 04:35:29
Cold-start: cold 43ms → warm 39ms (penalty 4ms)

Tools

Tools the server advertised in the latest measurement — measured, not catalog-claimed.

api_index0 params
Índice da API Radar CNPJ (radar-cnpj.com).
health0 params
Health da base.
get_cnpj1 param · 1 required
Ficha de empresa por CNPJ (14 dígitos).
- cnpjstringrequired
search5 params
Busca empresas (q e/ou filtros f=JSON).
- qstring
- fstring
- pagenumber
- pageSizenumber
- ufstring
suggest1 param · 1 required
Autocomplete.
- qstringrequired
ref2 params · 1 required
Ref CNAE/município/natureza.
- tipostringrequired
- qstring
avaliar3 params · 1 required
Avalia uma ideia de negócio contra a base da Receita (CNAE + lugar → contagem de ativas). Não estima busca no Google. POST /api/avaliar.
- textostringrequired
- ufstring
- municipionumber
ia_filters1 param · 1 required
Texto natural → filtros (POST /api/ia).
- textostringrequired
local0 params
Geo de borda do visitante (cidade/UF).
contact4 params · 4 required
Contato. Agente sem captcha → 402 $0.10 x402. Após o 1º envio: 429 + Retry-After (backoff).
- nomestringrequired
- emailstringrequired
- mensagemstringrequired
- aberto_emnumberrequired
monitor_session0 params
Cria sessão anônima de monitoramento.
list_watches1 param · 1 required
Lista watches da sessão.
- session_idstringrequired

Availability history

Event log

Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.

2 hours agoServer build: 4eb23532 → 41bd647d
4 hours agoServer build: 12cf1823 → 4eb23532
6 hours agoServer build: b66641d9 → 12cf1823
10 hours agoServer build: ce35a762 → b66641d9
12 hours agoServer build: 94cd6afe → ce35a762
14 hours agoServer build: 18652f28 → 94cd6afe
17 hours agoServer build: 7df44977 → 18652f28
19 hours agoServer build: 0bca39c5 → 7df44977
23 hours agoServer build: 6d417292 → 0bca39c5
yesterdayAdded to watch — era: Legacy

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Markdown

[![mcpmetrics](https://mcpmetrics.io/badge/com.radar-cnpj/radar-cnpj/era.svg)](https://mcpmetrics.io/servers/com-radar-cnpj-radar-cnpj)

HTML

<a href="https://mcpmetrics.io/servers/com-radar-cnpj-radar-cnpj"><img src="https://mcpmetrics.io/badge/com.radar-cnpj/radar-cnpj/era.svg" alt="mcpmetrics"></a>

Raw observations

You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.

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Bulk CNPJ lookup and enrichment with official Brazilian company registry data.
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Armenia state register lookup with beneficial owners from official BODS declarations.
Canonical Company Searchtrycanonical.ai
Verified, long-tail company search: describe what you want, get an LLM-verified company shortlist.
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Search and browse every MCP server in the Model Context Protocol registry.
Brazil Due Diligence — CNPJ Registry + Reclame Aquimcp.apify.com
Vet a Brazilian company by CNPJ: official registry data plus its Reclame Aqui reputation.

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https://radar-cnpj.com/mcp

Run	Era	Modern	ms	Legacy	ms	Versions
2026-09-13 16:52:42	Legacy	200	466	200	466	2024-11-05
2026-09-13 14:49:35	Legacy	200	523	200	542	2024-11-05
2026-09-13 12:47:19	Legacy	200	436	200	437	2024-11-05
2026-09-13 10:45:14	Legacy	200	455	200	396	2024-11-05
2026-09-13 08:43:04	Legacy	200	656	200	641	2024-11-05
2026-09-13 06:40:42	Legacy	200	798	200	826	2024-11-05
2026-09-13 04:35:29	Legacy	200	797	200	800	2024-11-05
2026-09-13 01:33:33	Legacy	200	660	200	651	2024-11-05
2026-09-12 23:31:36	Legacy	200	652	200	651	2024-11-05
2026-09-12 21:29:15	Legacy	200	770	200	828	2024-11-05

com.radar-cnpj/radar-cnpj

Description

What our measurements say

Agent readability score

Agent readability score

Strengths

Weaknesses

Verdict

Event narrative

Advice

Schema compliance

Tools

Availability history

Event log

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Comments

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Raw observations

Era history

Response time history