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MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.
45FairInstall
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"cejor6-kalshi-mcp-server": {
"command": "uvx",
"args": [
"kalshi-mcp-server"
],
"env": {
"KALSHI_API_KEY_ID": "",
"KALSHI_PRIVATE_KEY_PATH": "",
"KALSHI_PRIVATE_KEY_PEM": "YOUR_KALSHI_PRIVATE_KEY_PEM",
"KALSHI_ENV": "",
"KALSHI_ALLOW_PROD": "",
"KALSHI_TRADING_ENABLED": ""
}
}
}
}
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Environment
| Name | Required | Notes |
|---|
| KALSHI_API_KEY_ID | Yes | Kalshi API key ID from https://kalshi.com/account/profile |
| KALSHI_PRIVATE_KEY_PATH | No | Filesystem path to the RSA private key PEM. Set this or KALSHI_PRIVATE_KEY_PEM. |
| KALSHI_PRIVATE_KEY_PEM | No | Inline PEM contents, for hosted deploys without filesystem access. Secret. |
| KALSHI_ENV | No | demo or prod. Defaults to demo for safety. |
| KALSHI_ALLOW_PROD | No | Must be 1 for the server to start with KALSHI_ENV=prod. Defaults to 0. |
| KALSHI_TRADING_ENABLED | No | Must be 1 for order-placement tools to operate. Read-only by default (0). |
| KALSHI_API_KEY_ID | Yes | Kalshi API key ID from https://kalshi.com/account/profile |
| KALSHI_PRIVATE_KEY_PEM | No | Inline PEM contents, for hosted deploys without filesystem access. Secret. |
| KALSHI_ENV | No | demo or prod. Defaults to demo for safety. |
| KALSHI_ALLOW_PROD | No | Must be 1 for the server to start with KALSHI_ENV=prod. Defaults to 0. |
| KALSHI_TRADING_ENABLED | No | Must be 1 for order-placement tools to operate. Read-only by default (0). |
Tools show up when the registry metadata or the repository README lists them. GitHub enrichment fills this in when a token is configured.
About
MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.
FAQ
- What is Kalshi Prediction Markets?
- MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.
- How do I install Kalshi Prediction Markets?
- Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.
- Is Kalshi Prediction Markets official?
- No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.
- How is the trust score calculated?
- This listing scores 45 (Fair). The formula is published on the methodology page.
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