Marigold for ChatGPT

io.github.immuneeb/marigold

Comment on AI-generated webpages; feedback flows back to your coding agent. Free, MIT, local-first.

client:ChatGPT transport:streamable-http runtime:npm

Install Marigold in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://marigold.page/api/mcp

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