Gemini setup

Connect Gemini to Kalshi MCP.

Connect a custom app in Gemini to research Kalshi markets, investigate rules, and use portfolio and order tools with your own Kalshi account.

Gemini custom apps require a personal Google Account with Keep Activity on. Available in English for users aged 18 or over in the US. Connect on the web, then use the app on web or mobile.

Connection URL
https://kalshi-mcp.com/api/mcp
  1. On gemini.google.com, open Settings → Connected Apps. If needed, open Personal Intelligence first to find Connected Apps.
  2. Under Custom apps (or Custom apps for Spark), add an app, paste the connection URL above, and select Next.
  3. Follow the sign-in prompts to authorize your Kalshi MCP account. In chat or a Spark task, type @ and select the app to use it.

Start here

All three run on the Free plan — no card, no Kalshi account.

  1. 1

    Find the most active markets on Kalshi this week.

  2. 2

    Show the order book for the next Fed decision market.

  3. 3

    Investigate the settlement rules for [market ticker].

Kalshi MCP access by plan

Your Kalshi MCP plan decides which tools the server runs. Every new account starts on Free.

Free
Public market data with no card and no Kalshi account: search and trending markets, market detail, order books, settlement-rule audits, and charts — 20 tool calls a day, including 10 deep research calls, with 7 days of market history. Resets at midnight UTC.
Basic
Adds your Kalshi account — view your portfolio and place orders with your own API keys — plus a monthly call allotment and a longer history window. Starts with a 7-day free trial.
Pro
Adds order groups, the realized-gains CSV export, and far higher limits across calls, research, and trading.
Max
The highest limits, full market history, and priority support.

Exact allotments, history windows, and prices are on the pricing page.

Add your Kalshi API keys

Portfolio and trading run on the paid plans. Add your Kalshi API Key ID and private key in the dashboard — read-only permissions to view your portfolio, trading permissions to place orders. Credentials are encrypted and never pass through Gemini.

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