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Simples Nacional

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Simples Nacional

Simples Nacional for Claude, ChatGPT, and AI agents

Looks up a company's Simples Nacional status using the CNPJ, including option and classification. Hosted by the platform, no credentials, pay per query with prepaid credit.

  • 📊 1 tool

  • 🔒 Read-only

  • 💬 Works with any MCP client: Claude Desktop, Cursor, VS Code, Cline, Continue

  • 🔑 Magic-link login (no password)

English version · Full documentation · Skill for agents

Install in 1 click

Claude (Web and Desktop)

Anthropic unified MCP installation at claude.ai/customize/connectors. The same link works for Claude Web and Claude Desktop (just log in):

➕ Open in Claude and connect

Manual (if the deeplink doesn't open): claude.ai/customize/connectors → + → Add custom connector → paste Name Simples Nacional and URL https://api.mcp.ai/p_simples_nacional.

Cursor

➕ Install Simples Nacional in Cursor

VS Code (Copilot Chat)

➕ Install Simples Nacional in VS Code

ChatGPT, Manus, OpenClaw, and 40+ other clients

Works with any MCP client that supports MCP over HTTP. The server URL is always:

https://api.mcp.ai/p_simples_nacional

Client-specific details: INSTALL.md.

Related MCP server: Cadastro PJ Plus

Usage examples

O CNPJ 12345678000190 é optante do Simples Nacional?
Situação do Simples do CNPJ 12345678000190

1 available tool

Tool

Description

simples_nacional_consultar

Looks up a company's Simples Nacional status using the CNPJ, including option and classification.

Details for each tool: docs/ferramentas.md

Pricing

Prepaid (credit wallet), pay per use. See docs/precos.md.

Privacy & LGPD

  • Read-only; no tool modifies data at the source.

  • Sub-processors: the LLM host you choose (Claude, ChatGPT, Cursor, or your own agent). Full list at docs/privacidade-lgpd.md.

  • Data returned by the tools is sent to the LLM host you choose, a sub-processor outside our control. We recommend plans with training opt-out.

Frequently Asked Questions

Is the server open source? The server is proprietary (hosted). This repository is the public wrapper with manifests, docs, and skills — all MIT.

Can I use it with my own agent (not Claude/Cursor)? Yes — any client that supports MCP over HTTP. URL: https://api.mcp.ai/p_simples_nacional.

Support

License

MIT — see LICENSE. The MCP server at api.mcp.ai/p_simples_nacional is proprietary (hosted); this repository (manifests, docs, skills) is MIT.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityMaintained
ResponsivenessNo issues

Resources

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