Lexware Office (lexoffice) MCP Server and API by Cotlet for ChatGPT
dev.cotlet/lexware-office
Lexware Office (lexoffice) german accounting and invoicing MCP server: create quote, create invoice.
client:ChatGPT
transport:streamable-http
Install Lexware Office (lexoffice) MCP Server and API by Cotlet in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://cotlet.dev/mcp/v1/lexware-office/connect
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs