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.

!License !Node.js !Status

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_ID with 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.

uniswap-price-mcp