Facturalia MCP by usefulapi for ChatGPT

io.usefulapi/facturalia

Create invoices and credit notes; check whether invoices are sent and paid in Facturalia.

client:ChatGPT transport:streamable-http tools:4

Install Facturalia MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://facturalia.usefulapi.io/mcp

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