Proper Job for ChatGPT

io.github.falsalama/proper-job

Calculate and compare indicative UK building-work budgets from supplied scope using Proper Job.

client:ChatGPT transport:streamable-http tools:3

Install Proper Job in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.proper-job.uk/api/mcp

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