Mnema — AI Memory Layer for ChatGPT

io.github.hoanglt1223/mnema

Personal knowledge graph as an AI memory layer over MCP - read, save, and link your memories.

client:ChatGPT transport:streamable-http

Install Mnema — AI Memory Layer in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://secondbrain.hoangha.shop/api/mcp

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