Kalshi Prediction Markets MCP Server
by cejor6io.github.cejor6/kalshi-mcp-serverv0.1.8
MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.
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Active6d ago
Install Kalshi Prediction Markets MCP server
Install in Claude Code
claude mcp add kalshi-cejor6 -e KALSHI_API_KEY_ID='<kalshi-api-key-id>' -e KALSHI_PRIVATE_KEY_PEM='<kalshi-private-key-pem>' -- uvx kalshi-mcp-serverInstall in Cursor
{
"mcpServers": {
"kalshi-cejor6": {
"command": "uvx",
"args": [
"kalshi-mcp-server"
],
"env": {
"KALSHI_API_KEY_ID": "<kalshi-api-key-id>",
"KALSHI_PRIVATE_KEY_PEM": "<kalshi-private-key-pem>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"kalshi-cejor6": {
"command": "uvx",
"args": [
"kalshi-mcp-server"
],
"env": {
"KALSHI_API_KEY_ID": "<kalshi-api-key-id>",
"KALSHI_PRIVATE_KEY_PEM": "<kalshi-private-key-pem>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"kalshi-cejor6": {
"type": "stdio",
"command": "uvx",
"args": [
"kalshi-mcp-server"
],
"env": {
"KALSHI_API_KEY_ID": "<kalshi-api-key-id>",
"KALSHI_PRIVATE_KEY_PEM": "<kalshi-private-key-pem>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"kalshi-cejor6": {
"command": "uvx",
"args": [
"kalshi-mcp-server"
],
"env": {
"KALSHI_API_KEY_ID": "<kalshi-api-key-id>",
"KALSHI_PRIVATE_KEY_PEM": "<kalshi-private-key-pem>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| KALSHI_API_KEY_ID | yes | — | Kalshi API key ID from https://kalshi.com/account/profile |
| KALSHI_PRIVATE_KEY_PEM | — | yes | Inline PEM contents, for hosted deploys without filesystem access. |
| KALSHI_ENV | — | — | demo or prod. Defaults to demo for safety. |
| KALSHI_ALLOW_PROD | — | — | Must be 1 for the server to start with KALSHI_ENV=prod. Defaults to 0. |
| KALSHI_TRADING_ENABLED | — | — | Must be 1 for order-placement tools to operate. Read-only by default (0). |
| KALSHI_PRIVATE_KEY_PATH | — | — | Filesystem path to the RSA private key PEM. Set this or KALSHI_PRIVATE_KEY_PEM. |
Freshness
Active — last maintenance signal 6d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-04 · 6d ago · GitHub
Latest release
2026-07-13 · 3mo ago · GitHub · v0.1.12
Package published
no data · npm/PyPI
Registry entry updated
2026-05-31 · 4mo ago · official registry · v0.1.8
FAQ
›How do I install the Kalshi Prediction Markets MCP server in Claude Code?
Run: claude mcp add kalshi-cejor6 -e KALSHI_API_KEY_ID='<kalshi-api-key-id>' -e KALSHI_PRIVATE_KEY_PEM='<kalshi-private-key-pem>' -- uvx kalshi-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Kalshi Prediction Markets require an API key?
Yes. It expects KALSHI_API_KEY_ID, KALSHI_PRIVATE_KEY_PEM, of which 1 is a secret.
›Can I use Kalshi Prediction Markets as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Kalshi Prediction Markets in the official MCP registry?
Yes, as io.github.cejor6/kalshi-mcp-server.