SandBase for ChatGPT

io.github.sandbaseai/cli

Connect MCP clients to 2,000+ AI models without managing provider API keys.

client:ChatGPT transport:streamable-http

Install SandBase in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://sandbase.ai/v1/mcp

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