HopBase for ChatGPT

com.hop-base/mcp

Read-only HopBase AI gateway tools: models, limits, docs search, balance and usage for your API key.

client:ChatGPT transport:streamable-http tools:6

Install HopBase in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.hop-base.com/mcp

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