Manifest for ChatGPT

io.omfang/manifest

Turn any webpage into a structured action manifest — clickable, fillable, submittable elements.

client:ChatGPT transport:streamable-http tools:1

Install Manifest in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://manifest.omfang.io/mcp

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