Sess for ChatGPT
si.sess/sess
Let your agent ask people for answers and approvals by link, with signed receipts.
client:ChatGPT
transport:streamable-http
runtime:npm
Install Sess in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.sess.si/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs