Cross-DEX Prices & Spreads

io.github.donnywin85/arb-dex-mcp

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "arb-dex-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "arb-dex-mcp@1.0.1"
      ],
      "env": {
        "RAPIDAPI_KEY": "<your RAPIDAPI_KEY>"
      }
    }
  }
}
Environment variables
  • RAPIDAPI_KEYsecretYour own RapidAPI key for the Multi-Chain DEX Prices & Liquidity API (https://rapidapi.com/donnydev/api/multi-chain-dex-prices-liquidity). The free-tier subscription is enough to start. Required for live pool prices and fresh sweeps; without it get_chains, get_pairs and get_spreads fall back to a free hourly public snapshot and say so in the payload.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.0.1
Registry
active
Published
8/15/2026

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Cross-DEX Prices & Spreads — listed on Serverdex

HTML — for your website

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Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Cross-DEX Prices & Spreads — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-donnywin85-arb-dex-mcp?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.