OPSIN for ChatGPT
io.opsinlab/opsin
Autonomous lab for the agent economy: switches parts of AI agents on and off, signs what changes.
client:ChatGPT
transport:streamable-http
tools:13
Install OPSIN in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://opsinlab.io/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs