cnpj.ai
Look up Brazilian company information, owners and corporate connections by CNPJ registration number.
Connects to Brazilian CNPJ company registry data. Muse can retrieve company details, ownership information and corporate network connections for any registered Brazilian business using its CNPJ identifier.
Try asking Muse: "Show me the owners and corporate structure of this Brazilian company using its CNPJ number."
Source: Found in the official MCP Registry (ai.cnpj/mcp) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: You sign in to your own account with it, so Muse can reach what that account allows. Read what it asks for before you agree.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
cnpj.ai is not in Muse's Connectors list yet, and it needs you to sign in with your cnpj.ai account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.
https://mcp.cnpj.ai/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 753ms. Worked in 100% of checks over 30 days.
Screening · September 24, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools
This endpoint requires sign-in before it lists tools, so there is no public tool catalog.
Recent checks
Link
https://mcp.cnpj.ai/mcpQuestions about cnpj.ai in Muse
How do I connect cnpj.ai to Muse?
cnpj.ai is not in Muse's Connectors list yet, and it needs you to sign in with your cnpj.ai account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.
Is cnpj.ai working right now?
At the last check (September 28, 2026, 07:16 UTC) the endpoint was working, sign-in needed, answering in 753ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is cnpj.ai safe to connect to Muse?
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can cnpj.ai do in Muse?
Look up Brazilian company information, owners and corporate connections by CNPJ registration number. For example, you could ask Muse: "Show me the owners and corporate structure of this Brazilian company using its CNPJ number."
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This listing was added from public sources (Found in the official MCP Registry (ai.cnpj/mcp)). If you build cnpj.ai, claim it to correct the details and get your badge.
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<a href="https://musedirectory.ai/connector/cnpj-ai"><img src="https://musedirectory.ai/badge/cnpj-ai.svg" alt="cnpj.ai on musedirectory.ai" width="236" height="40"></a>