Pencil for ChatGPT

io.github.pencilink/pencil

Manage tasks, projects, roadmaps, files, meetings, and team workflows with AI tools.

client:ChatGPT transport:streamable-http

Install Pencil in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.pencil.ink/api/mcp

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