Cross-DEX Prices & Spreads MCP Server
API key requiredLive cross-DEX pool prices, liquidity and spreads on 6 EVM chains, read from on-chain pool state.
To add Cross-DEX Prices & Spreads to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 2 environment variables, listed below.
Install
npx -y arb-dex-mcp@1.0.1Environment variables
RAPIDAPI_KEYSet in your MCP configARB_DEX_TIMEOUT_MSSet in your MCP configInstall with your client
claude mcp add cross-dex-prices-spreads --env RAPIDAPI_KEY=<YOUR_RAPIDAPI_KEY> --env ARB_DEX_TIMEOUT_MS=<YOUR_ARB_DEX_TIMEOUT_MS> -- npx -y arb-dex-mcp@1.0.1
Run this in a terminal to add the server to Claude Code.
What this does
Cross-DEX Prices & Spreads exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
RAPIDAPI_KEY ARB_DEX_TIMEOUT_MS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Cross-DEX Prices & Spreads?
Run the Claude Code command in the install section to add Cross-DEX Prices & Spreads to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Cross-DEX Prices & Spreads?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Cross-DEX Prices & Spreads as well.
Does Cross-DEX Prices & Spreads need an API key?
Yes. Before it can run, set these environment variables: RAPIDAPI_KEY, ARB_DEX_TIMEOUT_MS. They go in the env block of your MCP config.
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