SERVER

Oddsrail

Rank #29,097

app.oddsrail/polymarket-kalshi-trading

Cross-venue prediction markets for AI agents: Polymarket + Kalshi, costed and attributed

14 versions

1 GitHub stars

by hmesutozsoy (5 servers)View repository ↗

First listed

Sep 2, 2026

Last publish date

Sep 24, 2026

PURPOSE

What you can do with Oddsrail

Oddsrail is a Model Context Protocol (MCP) server published by hmesutozsoy. It ranks #29,097 of 167,945 active servers on MCP Toplist, and its repository has 1 GitHub stars. Oddsrail is listed on Official MCP, with 14 tracked versions. It was first listed on Sep 2, 2026 and most recently updated on Sep 24, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Oddsrail can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Oddsrail

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

MCP Toplist probed the public endpoint on Oct 23, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.

Declared by the Official MCP Registry, last synced Nov 3, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

ODDSRAIL_DRY_RUN · optional
ODDSRAIL_BUILDER_CODE · optional
POLYMARKET_PRIVATE_KEY · optional
POLYMARKET_WALLET_ADDRESS · optional

Hosted endpoint declared as public.

INSTALLATION AND FIRST TASK

Connect Oddsrail and confirm it works

Remote · HTTP

claude mcp add --transport http polymarket-kalshi-trading https://mcp.oddsrail.app/mcp

Python package (PyPI)

claude mcp add polymarket-kalshi-trading -e "ODDSRAIL_DRY_RUN=<your ODDSRAIL_DRY_RUN>" -e "ODDSRAIL_BUILDER_CODE=<your ODDSRAIL_BUILDER_CODE>" -e "POLYMARKET_PRIVATE_KEY=<your POLYMARKET_PRIVATE_KEY>" -e "POLYMARKET_WALLET_ADDRESS=<your POLYMARKET_WALLET_ADDRESS>" -- uvx oddsrail

Replace each placeholder with your own value before saving.

Remote · HTTP

[mcp_servers.polymarket-kalshi-trading]
url = "https://mcp.oddsrail.app/mcp"

Add to ~/.codex/config.toml.

Python package (PyPI)

[mcp_servers.polymarket-kalshi-trading]
command = "uvx"
args = ["oddsrail"]

[mcp_servers.polymarket-kalshi-trading.env]
ODDSRAIL_DRY_RUN = "<your ODDSRAIL_DRY_RUN>"
ODDSRAIL_BUILDER_CODE = "<your ODDSRAIL_BUILDER_CODE>"
POLYMARKET_PRIVATE_KEY = "<your POLYMARKET_PRIVATE_KEY>"
POLYMARKET_WALLET_ADDRESS = "<your POLYMARKET_WALLET_ADDRESS>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Remote · HTTP

https://mcp.oddsrail.app/mcp

Settings → Connectors → “Add custom connector”, then paste this URL.

Python package (PyPI)

{
  "mcpServers": {
    "polymarket-kalshi-trading": {
      "command": "uvx",
      "args": [
        "oddsrail"
      ],
      "env": {
        "ODDSRAIL_DRY_RUN": "<your ODDSRAIL_DRY_RUN>",
        "ODDSRAIL_BUILDER_CODE": "<your ODDSRAIL_BUILDER_CODE>",
        "POLYMARKET_PRIVATE_KEY": "<your POLYMARKET_PRIVATE_KEY>",
        "POLYMARKET_WALLET_ADDRESS": "<your POLYMARKET_WALLET_ADDRESS>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "polymarket-kalshi-trading": {
      "url": "https://mcp.oddsrail.app/mcp"
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

Python package (PyPI)

{
  "mcpServers": {
    "polymarket-kalshi-trading": {
      "command": "uvx",
      "args": [
        "oddsrail"
      ],
      "env": {
        "ODDSRAIL_DRY_RUN": "<your ODDSRAIL_DRY_RUN>",
        "ODDSRAIL_BUILDER_CODE": "<your ODDSRAIL_BUILDER_CODE>",
        "POLYMARKET_PRIVATE_KEY": "<your POLYMARKET_PRIVATE_KEY>",
        "POLYMARKET_WALLET_ADDRESS": "<your POLYMARKET_WALLET_ADDRESS>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "servers": {
    "polymarket-kalshi-trading": {
      "type": "http",
      "url": "https://mcp.oddsrail.app/mcp"
    }
  }
}

Save as .vscode/mcp.json in your workspace.

Python package (PyPI)

{
  "servers": {
    "polymarket-kalshi-trading": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "oddsrail"
      ],
      "env": {
        "ODDSRAIL_DRY_RUN": "<your ODDSRAIL_DRY_RUN>",
        "ODDSRAIL_BUILDER_CODE": "<your ODDSRAIL_BUILDER_CODE>",
        "POLYMARKET_PRIVATE_KEY": "<your POLYMARKET_PRIVATE_KEY>",
        "POLYMARKET_WALLET_ADDRESS": "<your POLYMARKET_WALLET_ADDRESS>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "polymarket-kalshi-trading": {
      "serverUrl": "https://mcp.oddsrail.app/mcp"
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Python package (PyPI)

{
  "mcpServers": {
    "polymarket-kalshi-trading": {
      "command": "uvx",
      "args": [
        "oddsrail"
      ],
      "env": {
        "ODDSRAIL_DRY_RUN": "<your ODDSRAIL_DRY_RUN>",
        "ODDSRAIL_BUILDER_CODE": "<your ODDSRAIL_BUILDER_CODE>",
        "POLYMARKET_PRIVATE_KEY": "<your POLYMARKET_PRIVATE_KEY>",
        "POLYMARKET_WALLET_ADDRESS": "<your POLYMARKET_WALLET_ADDRESS>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "polymarket-kalshi-trading": {
      "url": "https://mcp.oddsrail.app/mcp"
    }
  }
}

Python package (PyPI)

{
  "mcpServers": {
    "polymarket-kalshi-trading": {
      "command": "uvx",
      "args": [
        "oddsrail"
      ],
      "env": {
        "ODDSRAIL_DRY_RUN": "<your ODDSRAIL_DRY_RUN>",
        "ODDSRAIL_BUILDER_CODE": "<your ODDSRAIL_BUILDER_CODE>",
        "POLYMARKET_PRIVATE_KEY": "<your POLYMARKET_PRIVATE_KEY>",
        "POLYMARKET_WALLET_ADDRESS": "<your POLYMARKET_WALLET_ADDRESS>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Sep 2, 2026
Latest version published: Sep 24, 2026
Version history: 14 versions tracked (below)
Requirements evidence: MCP Toplist probed the public endpoint on Oct 23, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Sep 24, 2026

Registry sightings

Official MCP ↗listed since Sep 2, 2026 · still listed

Do you maintain Oddsrail? to correct or enrich this profile.

VERSIONS

Available versions (14)

Version	Published
0.19.0	Sep 24, 2026
0.18.0	Sep 11, 2026
0.17.1	Sep 11, 2026
0.17.0	Sep 10, 2026
0.15.0	Sep 8, 2026
0.14.0	Sep 7, 2026
0.13.3	Sep 6, 2026
0.13.2	Sep 6, 2026
0.13.1	Sep 6, 2026
0.13.0	Sep 6, 2026
0.12.0	Sep 6, 2026
0.11.0	Sep 6, 2026
0.10.2	Sep 6, 2026
0.10.1	Sep 2, 2026

STANDING

#29,097of 167,945 active serversTop 25%

Ranks ahead of 138,848 of 167,945 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/app.oddsrail%2Fpolymarket-kalshi-trading.svg)](https://mcptoplist.com/server/app.oddsrail%2Fpolymarket-kalshi-trading)

HTML

<a href="https://mcptoplist.com/server/app.oddsrail%2Fpolymarket-kalshi-trading"><img src="https://mcptoplist.com/badge/app.oddsrail%2Fpolymarket-kalshi-trading.svg" alt="MCP Toplist: Top 25% of 167,945" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Oddsrail?: Oddsrail is maintained by hmesutozsoy, which publishes 5 MCP servers (24 total versions) tracked on MCP Toplist.
Is Oddsrail listed on the Official MCP Registry?: Yes — Oddsrail is listed on the Official MCP Registry.
How many versions does Oddsrail have?: MCP Toplist tracks 14 versions of Oddsrail, most recently published on Sep 24, 2026.
Where can I find the source code for Oddsrail?: The source code for Oddsrail is hosted at github.com/hmesutozsoy/oddsrail.

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