UmbHost Knowledgebase for ChatGPT
net.umbhost/umbhost-kb-mcp
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client:ChatGPT
transport:streamable-http
tools:3
Install UmbHost Knowledgebase in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://kb.umbhost.net/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs