Oddsrail MCP Server
by hmesutozsoyapp.oddsrail/polymarket-kalshi-arbitragev0.10.0
Prediction markets for AI agents: Polymarket + Kalshi data, signals, attributed order routing
context tax
queued
security
queued
cold start
queued
freshness
Deprecated3d ago
Install Oddsrail MCP server
Install in Claude Code
claude mcp add oddsrail -e POLYMARKET_PRIVATE_KEY='<polymarket-private-key>' -- uvx oddsrailInstall in Cursor
{
"mcpServers": {
"oddsrail": {
"command": "uvx",
"args": [
"oddsrail"
],
"env": {
"POLYMARKET_PRIVATE_KEY": "<polymarket-private-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"oddsrail": {
"command": "uvx",
"args": [
"oddsrail"
],
"env": {
"POLYMARKET_PRIVATE_KEY": "<polymarket-private-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"oddsrail": {
"type": "stdio",
"command": "uvx",
"args": [
"oddsrail"
],
"env": {
"POLYMARKET_PRIVATE_KEY": "<polymarket-private-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"oddsrail": {
"command": "uvx",
"args": [
"oddsrail"
],
"env": {
"POLYMARKET_PRIVATE_KEY": "<polymarket-private-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| ODDSRAIL_DRY_RUN | — | — | 1 (default) simulates orders; 0 enables real trading |
| ODDSRAIL_BUILDER_CODE | — | — | bytes32 Polymarket builder code for on-chain attribution |
| POLYMARKET_PRIVATE_KEY | — | yes | operator wallet key; only needed for real trading |
| POLYMARKET_WALLET_ADDRESS | — | — | proxy/deposit wallet address, if used |
Remote endpoints
- streamable-http
https://mcp.oddsrail.app/mcp
Freshness
Deprecated — last maintenance signal 3d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-07 · 3d ago · GitHub
Latest release
2026-09-24 · 16d ago · GitHub · v0.19.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-02 · 38d ago · official registry · v0.10.0
FAQ
›How do I install the Oddsrail MCP server in Claude Code?
Run: claude mcp add oddsrail -e POLYMARKET_PRIVATE_KEY='<polymarket-private-key>' -- uvx oddsrail. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Oddsrail require an API key?
Yes. It expects POLYMARKET_PRIVATE_KEY, of which 1 is a secret.
›Can I use Oddsrail as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is Oddsrail in the official MCP registry?
Yes, as app.oddsrail/polymarket-kalshi-arbitrage.