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Cross-venue prediction markets for AI agents: Polymarket + Kalshi, costed and attributed
app.oddsrail/polymarket-kalshi-trading is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 73/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding app.oddsrail/polymarket-kalshi-trading to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add app.oddsrail/polymarket-kalshi-trading https://mcp.oddsrail.app/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-09-24T21:05:25.658652Z",
"publishedAt": "2026-09-24T21:05:25.658652Z",
"statusChangedAt": "2026-09-24T21:05:25.658652Z"
}
},
"server": {
"name": "app.oddsrail/polymarket-kalshi-trading",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
"remotes": [
{
"url": "https://mcp.oddsrail.app/mcp",
"type": "streamable-http"
}
],
"version": "0.19.0",
"packages": [
{
"version": "0.19.0",
"transport": {
"type": "stdio"
},
"identifier": "oddsrail",
"registryType": "pypi",
"environmentVariables": [
{
"name": "ODDSRAIL_DRY_RUN",
"description": "1 (default) simulates orders; 0 enables real trading"
},
{
"name": "ODDSRAIL_BUILDER_CODE",
"description": "bytes32 Polymarket builder code for on-chain attribution"
},
{
"name": "POLYMARKET_PRIVATE_KEY",
"isSecret": true,
"description": "operator wallet key; only needed for real trading"
},
{
"name": "POLYMARKET_WALLET_ADDRESS",
"description": "proxy/deposit wallet address, if used"
}
]
}
],
"repository": {
"url": "https://github.com/hmesutozsoy/oddsrail",
"source": "github"
},
"description": "Cross-venue prediction markets for AI agents: Polymarket + Kalshi, costed and attributed"
}
}