Koskamo

Polymarket Paper Trader MCP

A paper trading simulator for Polymarket that allows AI agents to practice algorithmic trading using $10k of paper money against live order books with official fees and verified fill fidelity. It supports benchmarking, evaluation, and competition on prediction markets without financial risk.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Polymarket Paper Trader MCP logo, by agent-nextCommunity listingLocal stdioSource reviewed; not executedPublished by agent-next
Vendor documentation

What you can do with it

  • Practice trading with paper money against live Polymarket order books
  • Evaluate agent decision intelligence using Brier scores and calibration
  • Compare agent performance via multi-account battles and leaderboards
  • Compete in Forecast Arena for daily prediction market forecasting

Source and maintenance

Community listingRegistry 0.4.13
mcp-registry: io.github.agent-next/polymarket-paper-trader@0.4.13Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

polymarket-paper-trader 0.4.13

pypi
polymarket-paper-trader package definition
{
  "version": "0.4.13",
  "transport": "stdio",
  "identifier": "polymarket-paper-trader",
  "registryType": "pypi"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "polymarket-paper-trader-mcp": {
      "command": "uvx",
      "args": [
        "polymarket-paper-trader==0.4.13"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "polymarket-paper-trader-mcp": {
      "command": "uvx",
      "args": [
        "polymarket-paper-trader==0.4.13"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "polymarket-paper-trader-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "polymarket-paper-trader==0.4.13"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "polymarket-paper-trader-mcp": {
      "command": "uvx",
      "args": [
        "polymarket-paper-trader==0.4.13"
      ]
    }
  }
}

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