Which MCP Server Should You Choose?
Choose MCP Server Kalshi when:
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: API Key required (Free / Open Source).
- You have access to required keys:
KALSHI_ENV, KALSHI_API_KEY, KALSHI_PRIVATE_KEY_PATH, BASE_URL. - Primary tools included: Market, event, and series discovery, Order book, candlestick, and trade research, Settlement rule and contract PDF extraction.
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Choose Shipping Rates & Postage Calculator when:
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).