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Looks up a company's status in the Simples Nacional tax regime from the CNPJ, including opt-in and b

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Status
Healthy
Uptime
100.0% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
Repository
mcp-dir/simples_nacional-mcp
GitHub Stars
0
Server Listing
Simples Nacional
ChatGPT
–
Claude
–

TDQS

A3.6/5.0

Scored across 7 tools

Disambiguation2/5

Several tools overlap: connect and toolkit_info both report connection status, and marketplace also lists installed tools. authenticate and connect both handle login/credentials, making it difficult to choose the right tool for a given authentication task.

Naming Consistency2/5

The tool names mix verb-based (authenticate, connect, report_bug), noun-based (marketplace, toolkit_info), and a Portuguese compound (simples_nacional_consultar). There is no consistent naming pattern or language convention across the set.

Tool Count3/5

Seven tools is a reasonable number, but several serve overlapping platform-management purposes (connect, toolkit_info, marketplace) and only one tool relates to the nominal domain of Simples Nacional. The count is acceptable, but the set feels padded with utilities that could be consolidated.

Completeness2/5

The server's main purpose, consulting Simples Nacional, is covered by a single tool with only one operation (simples_nacional_consultar). There is no broader domain coverage (e.g., batch queries, tax statements, or other company data), and the remaining tools are generic platform utilities that don't fill that gap.

Available Tools

7 tools
authenticateA
Idempotent
Inspect

MCP.AI for IDE agents (Cursor, etc.): log in in the browser, copy the access token. Best: add it to this server's config as a header Authorization: Bearer <token> for a permanent, non-expiring connection. Or paste it here for a session-only login: call with { token: "" } after the user pastes, or with no args to get the link.

Inputs: token.

connectA
Read-onlyIdempotent
Inspect

Returns connection status and URLs. When all providers are connected, returns authenticated:true and empty pending[]. When credentials are missing, returns connect_url for the toolkit and per-install URLs.

Inputs: no named parameters.

marketplaceAInspect

The official mcp.ai marketplace — the in-platform catalog of every MCP/tool, AND the way to run them. Covers capability requests like "find an MCP that does X", "consulta um CPF", "is there a tool for Y". Core flow: action=search discovers MCPs by intent → describe returns one MCP's full profile (every tool with its id + params, pricing, auth) so you pick the right tool_id → invoke RUNS that tool. KEY: invoke works even when the MCP is NOT installed — it runs the tool pontualmente (one-off), without adding the MCP to the toolkit and without bloating the tool list. If the MCP needs a credential/login, invoke returns a connect link; if it is paid and the wallet is empty, invoke returns a checkout/top-up link (the user opens it, then you retry). Use install only to make an MCP PERMANENT in the active toolkit (its tools then show up natively in future sessions); prefer invoke for a single/occasional use. list_tools lists what is callable right now. subscribe/cancel handle per-MCP billing; report_bug sends feedback; request_mcp asks us to build a NEW MCP when nothing fits. Search/describe flag installed_in_toolkit vs installed_in_workspace. Writes (install/uninstall/subscribe/cancel and the one-off install behind invoke) require workspace owner/admin. It also carries the mcp.ai PROMPT LIBRARY, which is about ready-made prompt TEXT rather than MCPs: search_prompts finds one, get_prompt returns its full text with {{variables}} filled, and publish_prompt saves a prompt and returns a shareable mcp.ai/p/ link that opens without login.

Inputs: limit, query, action, mcp_id, +19 more.

report_bugA
Idempotent
Inspect

Report a bug, missing feature, or send feedback. Include the conversation array with recent messages for reproduction.

Inputs: message (required), context, conversation.

show_versionA
Read-onlyIdempotent
Inspect

Show the current MCP platform and adapter versions.

Inputs: no named parameters.

simples_nacional_consultarA
Read-onlyIdempotent
Inspect

Consulta a situação de uma empresa no Simples Nacional a partir do CNPJ, incluindo opção e enquadramento. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré-pago. Consulta informação de ACESSO PÚBLICO em bases e fontes oficiais (a mesma disponível ao cidadão), não é dado privado nem sigiloso. O cliente é o controlador dos dados e responde pela finalidade legítima (LGPD).

Inputs: Cnpj (required), completo.

toolkit_infoA
Read-onlyIdempotent
Inspect

Returns the current toolkit state: installed MCPs, their connection status, the accounts connected to each one, and how many catalog tools each exposes.

Inputs: no named parameters.

Tool Schema Changelog

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