MCP server

Kalvi — NFS-e e IBS/CBS

io.github.marcogorrasi-hub/kalvi-nfse

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Confere a NFS-e brasileira para IBS/CBS antes de transmitir. Sem cadastro e sem chave.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

3

Token cost

About 528 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http kalvi-nfse https://api.kalvi.com.br/v1/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.kalvi-nfse]
url = "https://api.kalvi.com.br/v1/mcp"

Gemini CLI

{"mcpServers":{"kalvi-nfse":{"httpUrl":"https://api.kalvi.com.br/v1/mcp"}}}

Cursor

{"mcpServers":{"kalvi-nfse":{"url":"https://api.kalvi.com.br/v1/mcp"}}}

VS Code

{"servers":{"kalvi-nfse":{"type":"http","url":"https://api.kalvi.com.br/v1/mcp"}}}

Antigravity

agy mcp add kalvi-nfse https://api.kalvi.com.br/v1/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"kalvi-nfse","server_url":"https://api.kalvi.com.br/v1/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"kalvi-nfse","server_url":"https://api.kalvi.com.br/v1/mcp"}

Tools

• classificar_servico ~286 tokens
  A partir do item da LC 116 (ou do código de tributação nacional), do regime do prestador, do município e da data de competência, devolve os candidatos de CST e cClassTrib com justificativa, alíquotas vigentes e a fonte oficial de cada regra. Use quando a pergunta for 'qual código eu uso neste serviç
• explicar_rejeicao ~124 tokens
  Recebe um código de rejeição da NFS-e nacional (E0958, E0855, E0959...) e devolve o texto oficial da regra, o campo do XML a que ela se refere e se o efeito é recusar a nota. Use quando a pergunta for 'o que significa este erro'.
• validar_nfse ~118 tokens
  Confere o XML da DPS (NFS-e do padrão nacional) contra as regras oficiais de IBS/CBS e devolve o que seria recusado, com o código oficial de rejeição e o campo do XML que causou. Use antes de transmitir. Nada da nota é guardado.

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