FiscalAPI for Claude.ai

io.github.fiscalapi-br/fiscalapi-mcp

IE (27 UFs), CNPJ, certidões e cópia para leitura do XML de NF-e pela chave, do Brasil.

client:Claude.ai transport:streamable-http tools:11

Install FiscalAPI in Claude.ai

Settings → Connectors → Add custom connector

https://mcp.fiscalapi.com.br/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

validar_inscricao_estadual
cobertura
consultar_ie
consultar_ie_todos_estados
consultar_cnpj
consultar_cnd_estadual
consultar_cndt
consultar_cnd_federal
consultar_crf_fgts
baixar_xml_nfe_sem_certificado
saldo

FiscalAPI in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

FiscalAPI MCP server