Carbon Copy MCP

What it does

Carbon Copy is a Polymarket copy-trading platform. This MCP server exposes its full API to AI agents: discover top traders by ROI, win rate, and volume; follow or unfollow them; configure per-trader copy settings in bulk; track your portfolio's live P&L; and inspect individual copy-trade orders — all from Claude Desktop, Cursor, or any MCP-compatible client.

Tools

Portfolio:

• get_portfolio — Balance, positions value, unrealised P&L, win rate
• get_portfolio_history — Paginated trade history with optional date filtering
• get_positions — Open positions with pagination

Trader Discovery:

• discover_traders — Search/filter by profit, ROI, win rate, volume, followers
• get_trader_performance — Detailed P&L history, drawdown, and Sharpe ratio

Follow Management:

• list_traders / follow_trader / unfollow_trader — Manage followed traders
• get_trader / update_trader — Inspect or edit copy settings per trader
• batch_update_traders — Update up to 100 followed traders in one call
• pause_trader / resume_trader — Pause or resume copy trading without unfollowing

Orders & Account:

• list_orders / get_order — Browse copy-trade orders with status/date filters
• get_account — Account details
• health — API health check

Resources: carboncopy://portfolio (live snapshot) and carboncopy://traders (followed traders list).

Installation

Claude Desktop (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "carboncopy": {
      "command": "npx",
      "args": ["-y", "@carbon-copy/mcp"],
      "env": {
        "CARBONCOPY_API_KEY": "cc_your_key_here"
      }
    }
  }
}

Cursor (.cursor/mcp.json):

{
  "mcpServers": {
    "carboncopy": {
      "command": "npx",
      "args": ["-y", "@carbon-copy/mcp"],
      "env": {
        "CARBONCOPY_API_KEY": "cc_your_key_here"
      }
    }
  }
}

Requires a Carbon Copy account. Generate an API key from the dashboard at carboncopy.inc. Rate limits: 60 reads/min, 20 writes/min.

Supported hosts

Claude Desktop, Cursor.