Hakutaku for ChatGPT

io.github.hakutakuai/hakutaku

Your second brain: documents, meetings, decisions, tables, agents and connected apps.

client:ChatGPT transport:streamable-http

Install Hakutaku in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.hakutaku.ai/api/mcp

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