ChatGPT setup
Connect ChatGPT to Kalshi with MCP.
Configure Kalshi MCP as a ChatGPT custom connector with the required OAuth settings, then research Kalshi markets from a conversation. Your credentials stay encrypted server-side, and every trade still requires your approval.
Connection URL
https://kalshi-mcp.com/api/mcp- In ChatGPT, open Settings → Apps & Connectors → Advanced settings and enable Developer mode (available on paid plans).
- Create a connector and paste the Kalshi MCP connection URL below.
- In Advanced OAuth settings, turn OIDC off and leave Registration URL blank.
- Complete OAuth, add your Kalshi API keys, and ask ChatGPT to research a market. After changing connector settings, remove and re-add it.
Finish account setup
After OAuth connects ChatGPT, open the dashboard to add your Kalshi API Key ID and RSA private key. The keys never pass through ChatGPT.
Wondering what ChatGPT can and can't actually do here? Can ChatGPT actually trade on Kalshi? covers the capability differences versus Claude and the two settings that break most setups.