Live cross-DEX pool prices, liquidity and spreads on 6 EVM chains, read from on-chain pool state.
Connect Runs on your machine
claude mcp add arb-dex-mcp -e RAPIDAPI_KEY=<RAPIDAPI_KEY> -e ARB_DEX_TIMEOUT_MS=<ARB_DEX_TIMEOUT_MS> -- npx -y [email protected]{
"mcpServers": {
"arb-dex-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"RAPIDAPI_KEY": "<RAPIDAPI_KEY>",
"ARB_DEX_TIMEOUT_MS": "<ARB_DEX_TIMEOUT_MS>"
}
}
}
}{
"mcpServers": {
"arb-dex-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"RAPIDAPI_KEY": "<RAPIDAPI_KEY>",
"ARB_DEX_TIMEOUT_MS": "<ARB_DEX_TIMEOUT_MS>"
}
}
}
}{
"servers": {
"arb-dex-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"RAPIDAPI_KEY": "<RAPIDAPI_KEY>",
"ARB_DEX_TIMEOUT_MS": "<ARB_DEX_TIMEOUT_MS>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
RAPIDAPI_KEYOptional, secret | Your 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 f… |
ARB_DEX_TIMEOUT_MSOptional | Optional request timeout in milliseconds. Defaults to 45000 — a full-chain live scan is a real on-chain sweep and can take ~30s. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 15 Aug 2026 |
| Last updated | 15 Aug 2026 |
| Registry name | io.github.donnywin85/arb-dex-mcp |
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