SUBSTRATE for ChatGPT

io.github.pkaldone/substrate

Persistent AI entity framework with causal memory, emotional state, and identity.

client:ChatGPT transport:streamable-http runtime:npm

Install SUBSTRATE in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://substrate.garmolabs.com/mcp-server/mcp

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