Proving Lab for ChatGPT

dev.provinglab/browser-citation-capture

Cite or capture a web page; installs the capture extension in Firefox and Chrome.

client:ChatGPT transport:streamable-http tools:10

Install Proving Lab in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://provinglab.dev/mcp

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