SEFAZ MS DTE: Caixa Postal for ChatGPT

io.github.mcp-dir/sefaz_ms_dec_caixa_postal-mcp

SEFAZ MS DTE: Caixa Postal, official-source lookup. Platform-hosted, pay per query with prepaid cred

client:ChatGPT transport:streamable-http tools:7

Install SEFAZ MS DTE: Caixa Postal in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.mcp.ai/p_sefaz_ms_dec_caixa_postal

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs