Fixty for ChatGPT
com.fixty/fixty
CRM for mobile mechanics and small shops: customers, jobs, estimates, invoices, texts, payments.
client:ChatGPT
transport:streamable-http
Install Fixty in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.fixty.com/api/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs