Joinerycalc for ChatGPT
com.joinerycalc/dovetail
Exact joinery layouts for agents. Dovetails: tail and pin widths, positions, angles, router template
client:ChatGPT
transport:streamable-http
tools:1
Install Joinerycalc in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://joinerycalc.com/mcp?via=registry
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs