atpar-mcp-server

MCP server for the At Par Trading API — trade crypto, manage portfolios, and access market data from any MCP-compatible AI agent.

Quick start

npx atpar-mcp-server

Requires VT_API_KEY and VT_API_SECRET environment variables.

Configuration

Claude Code (.mcp.json)

{
  "mcpServers": {
    "atpar": {
      "command": "npx",
      "args": ["-y", "atpar-mcp-server"],
      "env": {
        "VT_API_KEY": "vtk_...",
        "VT_API_SECRET": "..."
      }
    }
  }
}

Claude Desktop

Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "atpar": {
      "command": "npx",
      "args": ["-y", "atpar-mcp-server"],
      "env": {
        "VT_API_KEY": "vtk_...",
        "VT_API_SECRET": "..."
      }
    }
  }
}

Environment variables

| Variable | Required | Description | |----------|----------|-------------| | VT_API_KEY | Yes | API key (e.g. vtk_...) | | VT_API_SECRET | Yes | Base64-encoded API secret | | VT_API_URL | No | Base URL (defaults to https://api.solidusx.io). Use https://api.demo.solidusx.io for demo. |

Tools (16)

Portfolio

| Tool | Description | |------|-------------| | get_portfolios | List all portfolios for the authenticated user | | get_portfolio_assets | Get asset balances for a portfolio | | get_deposit_address | Get the deposit address for a portfolio | | get_deposits | List deposits for a portfolio | | get_portfolio_ledger | Get ledger entries for a portfolio |

Trading

| Tool | Description | |------|-------------| | place_order | Place a new order (market, limit, or swap) | | get_order | Get details of a specific order | | list_orders | List orders for a portfolio | | cancel_order | Cancel an open order | | get_order_fills | Get fills (executions) for an order |

Market Data

| Tool | Description | |------|-------------| | get_instruments | List all available trading instruments | | get_prices | Get current prices for all instruments | | get_candles | Get OHLCV candlestick data for an instrument | | get_swap_liquidity | Get available swap liquidity and pricing |

Notifications

| Tool | Description | |------|-------------| | get_notifications | Get notifications for the authenticated user | | get_unread_count | Get the count of unread notifications |

Resources (2)

| URI | Description | |-----|-------------| | atpar://instruments | Full list of trading instruments with tick sizes, min order sizes, and status | | atpar://assets | List of supported assets (currencies) on the platform |

Development

npm install
npm run build
npm test

License

MIT