Hamster for ChatGPT

io.github.gethamster/hamster

Search and manage Hamster briefs, tasks, plans, and knowledge; trigger delivery from your agent.

client:ChatGPT transport:streamable-http

Install Hamster in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://tryhamster.com/mcp

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