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ChatGPT

Castle MCP by usefulapi for ChatGPT

io.usefulapi/castle

Investigate security events and manage the allow/deny lists an analyst acts on.

client:ChatGPT transport:streamable-http tools:14

Install Castle MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://castle.usefulapi.io/mcp

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

What ChatGPT can do once it is connected

Castle MCP by usefulapi in other clients