MCP Servers

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.

README

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

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