WebSpeed for ChatGPT
pro.webspeed/webspeed
Measure a page with PageSpeed Insights and compare it with its copy sped up by WebSpeed Fast.
client:ChatGPT
transport:streamable-http
tools:2
Install WebSpeed in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.webspeed.pro/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs