Substrate for ChatGPT

co.trysubstrate/memory

Shared memory MCP server for Claude Code, Codex, Gemini CLI and Cursor. Cited, editable.

client:ChatGPT transport:streamable-http

Install Substrate in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.trysubstrate.co/mcp

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