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mcp/harbor
Cursor

Cross-DEX Prices & Spreads for Cursor

io.github.donnywin85/arb-dex-mcp

Live cross-DEX pool prices, liquidity and spreads on 6 EVM chains, read from on-chain pool state.

client:Cursor transport:stdio runtime:npm

Install Cross-DEX Prices & Spreads in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "arb-dex-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "arb-dex-mcp"
      ],
      "env": {
        "RAPIDAPI_KEY": "<RAPIDAPI_KEY>",
        "ARB_DEX_TIMEOUT_MS": "<ARB_DEX_TIMEOUT_MS>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Cross-DEX Prices & Spreads in other clients

Cross-DEX Prices & Spreads MCP server