ChatGPT PreReason Prompt/risk_check
How to: ChatGPT PreReason risk_check
Add PreReason to ChatGPT
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01
Open Settings → Connectors → Advanced → Developer mode and merge this in. Keep any servers already there.
https://api.prereason.com/api/mcp-
02
Save the file and restart ChatGPT.
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03
risk_check is surfaced in the connector's menu once the server is linked. Unlike a tool, you invoke it deliberately — ChatGPT will not call it for you.
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04
If it does not appear, check that PreReason is connected and that you are looking at its prompts rather than its tools.
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs
Set these first
PreReason will not start until these are set, so it never reaches ChatGPT.
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PREREASON_API_KEY -
PREREASON_CLIENT
Same prompt, other clients
Read from the server itself, by connecting to it and calling prompts/list on 24 September 2026.
A listing does not declare its prompts, so asking is the only way to know them, and this
is what the server actually offers rather than what its listing claims. Names only are
stored; connect the server for each prompt's arguments.