mcp gauge for ChatGPT

io.github.changchinfu/mcp-gauge

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client:ChatGPT transport:streamable-http tools:5

Install mcp gauge in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.truthbear.co/mcp

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