Uniswap V3 Price MCP Server
An MCP server that delivers real-time token prices from Uniswap V3 across multiple chains — optimized for AI agents and DeFi automation.
Features
- Supported Chains: Ethereum Mainnet (1), Polygon (137), Arbitrum (42161), Optimism (10).
- Token Price Fetching: Queries Uniswap V3 pools for token prices against USDT, USDC, or WETH (in that order) with automatic decimal and symbol retrieval.
- USD Conversion: Optional USD price conversion using CryptoCompare API for all quote tokens.
Prerequisites
- Node.js (v18 or higher recommended) and npm.
- Infura Account: Obtain an
INFURA_PROJECT_IDwith access to Ethereum, Polygon, Arbitrum, and Optimism (sign up at Infura).
Installation
- Clone the repository:
git clone https://github.com/kukapay/uniswap-price-mcp.git
cd uniswap-price-mcp- Install dependencies:
npm install- Client Configuration:
{
"mcpServers": {
"Uniswap Price": {
"command": "node",
"args": ["path/to/uniswap-price-mcp/index.js"],
"env": {
"INFURA_PROJECT_ID": "your_infura_project_id"
}
}
}
}Replace your_infura_project_id with your Infura project ID.
Usage
Interact with the server using MCP-compatible clients.
Tools
getSupportedChains
Prompt: `` Show me a list of all blockchain networks supported by the server, formatted as a table. `` Result:
| Chain ID | Chain Name | |----------|------------------| | 1 | Ethereum Mainnet | | 137 | Polygon | | 42161 | Arbitrum | | 10 | Optimism |
getTokenPrice
Prompt: `` What is the current price of DAI in USD on the Ethereum Mainnet? ``
Result: `` Price of token DAI on chain 1 in USD: 1.00 ``
Prompt: `` Get the USD price of Chainlink (LINK) on the Polygon network. ``
Result: `` Price of token LINK on chain 137 in USD: 18.50 ``
License
This project is licensed under the MIT License. See the LICENSE file for details.
