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MCP Fiscal Brasil logo
Health: ActiveRecent health check succeeded.Last checked 9/7/2026, 11:04:45 PM

MCP Fiscal Brasil

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View Repository292 GitHub StarsTotal stargazers on GitHub for the source repository (292 stars).Visit Website

Servidor MCP para integrar IAs com o sistema fiscal brasileiro: CNPJ, NFe, NFSe, SPED, eSocial.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON â–¾

Client Config & Setup

Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "mcp-fiscal-brasil-2": {
      "command": "uvx",
      "args": [
        "mcp-fiscal-brasil"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives💻 More in Developer Tools

Documentation Overview

MCP Fiscal Brasil

O único servidor MCP com suporte nativo a NF-e, NFS-e, SPED, eSocial, Simples Nacional e Reforma Tributária 2026 (IBS/CBS) - sem conta, sem chave e sem configuração.

PyPI version PyPI downloads Python 3.10+ CI Cobertura de testes 85% License MIT MCP Compatible Stars Issues

📚 Documentação · Instalação · Ferramentas · Workflows · Roadmap · Contribuindo


Início rápido

bash
uvx mcp-fiscal-brasil

Para manter sempre atualizado: uvx cacheia a versão instalada. Use uvx mcp-fiscal-brasil@latest ou uvx --refresh mcp-fiscal-brasil para forçar a versão mais recente do PyPI.

Claude Desktop

Edite ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) ou %APPDATA%\Claude\claude_desktop_config.json (Windows):

config.json
{
  "mcpServers": {
    "fiscal-brasil": {
      "command": "uvx",
      "args": ["mcp-fiscal-brasil"]
    }
  }
}

Reinicie o Claude Desktop. As ferramentas fiscais aparecem automaticamente, sem nenhuma chave de API.


Por que mcp-fiscal-brasil e não outros servidores MCP brasileiros?

Funcionalidademcp-fiscal-brasilmcp-brasilbrasil-data-mcp
FocoVertical fiscal profundaDados públicos geraisDados públicos gerais
NF-e: parse, validação, DANFE, assinaturaSimNãoNão
SPED/eSocial: análise offlineSimNãoNão
Tabelas offline (NCM, CFOP, CNAE)SimNãoNão
Reforma Tributária 2026 (IBS/CBS)SimNãoNão
Simples Nacional/MEISimNãoNão
Certidão federal/FGTSSim (orientação)NãoNão
Certificado A1 (mTLS SEFAZ)Sim (opt-in)NãoNão
Zero-cadastro, zero chave obrigatóriaSimParcial (3 APIs exigem chave)Sim
Tools agênticas de alto nívelSim (6 tools)ParcialNão
Linguagem de implementaçãoPythonPythonNode.js

mcp-brasil (1.6k stars) e brasil-data-mcp cobrem dados públicos gerais - CEP, bancos, feriados, economia. Este projeto faz algo diferente: é uma vertical fiscal, com parsing offline de XML, validação XSD, tabelas de referência embutidas e suporte à Reforma 2026. Focos diferentes, públicos distintos.


O que é

mcp-fiscal-brasil conecta assistentes de IA, ERPs, CRMs e automações internas ao universo fiscal brasileiro: CNPJ, CPF, Simples Nacional, NFe, NFSe, SPED, eSocial, certidões e due diligence de fornecedores.

Ele não tenta ser um catálogo genérico de dados públicos. A proposta é ser uma vertical de produto: transformar consultas fiscais fragmentadas em tools seguras, composáveis e prontas para agentes.

Workflows que vendem sozinho

WorkflowTool principalResultado
Due diligence de fornecedorrisk_score_supplierScore 0-100, risco, fatores e recomendação de contratação
Triagem em loteconsultar_empresas_loteVários CNPJs em uma chamada, com compliance + score por empresa
Compliance de CNPJanalyze_cnpj_complianceCNPJ + Simples/MEI + CNAE em relatório acionável
Validação de NFevalidate_nfe_fullXML + chave + emissor, com issues estruturadas
Sumário de SPEDsummarize_spedResumo executivo, período, empresa, blocos e inconsistências
Planejamento tributáriocompare_tax_regimesComparativo MEI, Simples, Lucro Presumido e Lucro Real

🌎 Demo ao vivo

Web UI demo hospedada (Render free tier, pode demorar 30s no primeiro acesso pra acordar):

Deploy to Render

Você pode clicar no botão acima pra hostear sua própria instância em 3 cliques no Render.com.

Veja docs/getting-started/deploy.md para outras opções (Fly.io, auto-host via Docker).


✨ Novidades v0.2.x

Versão de evolução com 4 frentes:

  • 8 novas fontes de dados: CNAE, CPF, Simples Nacional, MEI, IBGE, CEP, Empresa consolidada, Certidões
  • Tools agênticas (alto nível): analyze_cnpj_compliance, risk_score_supplier, consultar_empresas_lote, compare_tax_regimes, validate_nfe_full, summarize_sped
  • Múltiplas interfaces: além do servidor MCP, agora CLI (mcp-fiscal), REST API (mcp-fiscal-api) com Web UI demo, e wrapper Node.js em preview (npm-wrapper/)
  • Production-grade: HTTP client com retry exponencial, cache pluggável, rate-limit por host, logs JSON estruturados
server.ts
# CLI standalone
mcp-fiscal cnpj 12345678000190
mcp-fiscal compliance 12345678000190
mcp-fiscal regimes --faturamento 500000 --setor serviços --folha 180000

# REST API + Web UI demo
mcp-fiscal-api  # http://localhost:8000

# Node.js
import { analyzeCompliance } from "mcp-fiscal-brasil";

Veja CHANGELOG.md para detalhes.


Por que este projeto existe?

O Brasil tem uma das infraestruturas fiscais mais complexas do mundo. São 27 SEFAZs estaduais, NFe + NFSe + SPED + eSocial, milhares de municípios com portais próprios e milhões de empresas tentando manter conformidade fiscal todos os dias.

Antes deste projeto, integrar IA com qualquer dado fiscal brasileiro exigia desenvolvimento customizado, autenticação em múltiplos portais, e conhecimento profundo de cada API governamental. Cada consulta era um projeto.

MCP Fiscal Brasil resolve isso em uma linha: instale o servidor, conecte ao seu assistente de IA, e comece a fazer perguntas em linguagem natural. O servidor cuida de tudo, consultando diretamente Receita Federal, BrasilAPI e SEFAZs estaduais.


🎬 Demonstração

Code
Você:  "Consulte o CNPJ 00.000.000/0001-91 e liste os sócios"

IA:    Empresa: Banco do Brasil S.A.
       Fundada em: 12/10/1808
       Situação: ATIVA
       CNAE principal: 6422100 - Bancos múltiplos com carteira comercial

       Sócios (QSA):
       - União Federal - Sócio-Administrador (60,82%)
       - BNDESPar - Sócio (10,32%)
Code
Você:  "A chave NFe 35240300623904000197550010000012341234567890 é válida?"

IA:    Chave válida!
       Estado de origem: SP (São Paulo)
       Data de emissão: março/2024
       CNPJ emitente: 00.623.904/0001-97
       Número da nota: 000001234
       Dígito verificador: correto (módulo 11)
Code
Você:  "A empresa 12.345.678/0001-90 é do Simples Nacional?"

IA:    Sim! Empresa optante do Simples Nacional.
       Data de opção: 01/01/2020
       Modalidade: MEI - Microempreendedor Individual
Code
Você:  "O SEFAZ de São Paulo está online agora?"

IA:    Status SEFAZ SP: OPERACIONAL
       Serviço de autorização de NFe funcionando normalmente.
       Última verificação: agora.

🛠 Ferramentas Disponíveis

Ferramentas de baixo nível para dados fiscais e ferramentas agênticas de alto nível para decisão operacional.

Tools agênticas

FerramentaQuando usar
analyze_cnpj_complianceRelatório consolidado de compliance fiscal de um CNPJ
risk_score_supplierAprovar, investigar ou recusar fornecedor
consultar_empresas_loteTriar carteira de fornecedores com score e erro por CNPJ
compare_tax_regimesComparar regimes tributários por cenário
validate_nfe_fullValidar uma NFe completa a partir do XML
summarize_spedTransformar SPED em resumo executivo

✅ Ferramentas Funcionais (usáveis agora)

Funcionam 100% sem chaves de API. Instale e use imediatamente.

Read the full README →View source on GitHub →

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Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about MCP Fiscal Brasil

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mcp-fiscal-brasil": { "command": "npx", "args": ["-y", "MCP Fiscal Brasil"] } }

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Technical Specs & Signals

Category💻Developer Tools
More technical detailsExpand â–¾
TransportSTDIO
RuntimePython
Last updatedSep 7, 2026
Views0
Unique ViewsTotal visits recorded for this listing page on AllMCPs.
Installs0
Installs & Copy ActionsTotal times users copied install commands or configuration snippets for this server.
GitHub stars292
GitHub Star CountTotal stargazers on GitHub representing community popularity (292 stars).
43Quality signal: Fair · 43/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools16/30
Adoption & activity6/15
Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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