Uniswap V3 Price MCP Server

1# Uniswap V3 Price MCP Server
2 
3An MCP server that delivers real-time token prices from Uniswap V3 across multiple chains — optimized for AI agents and DeFi automation.
4 
5![License](https://img.shields.io/badge/license-MIT-blue.svg)
6![Node.js](https://img.shields.io/badge/Node.js-18.x-green.svg)
7![Status](https://img.shields.io/badge/status-active-brightgreen.svg)
8 
9 
10## Features
11- **Supported Chains**: Ethereum Mainnet (1), Polygon (137), Arbitrum (42161), Optimism (10).
12- **Token Price Fetching**: Queries Uniswap V3 pools for token prices against USDT, USDC, or WETH (in that order) with automatic decimal and symbol retrieval.
13- **USD Conversion**: Optional USD price conversion using CryptoCompare API for all quote tokens.
14 
15## Prerequisites
16- **Node.js** (v18 or higher recommended) and **npm**.
17- **Infura Account**: Obtain an `INFURA_PROJECT_ID` with access to Ethereum, Polygon, Arbitrum, and Optimism (sign up at [Infura](https://infura.io/)).
18 
19## Installation
201. Clone the repository:
21   ```bash
22   git clone https://github.com/kukapay/uniswap-price-mcp.git
23   cd uniswap-price-mcp
24   ```
25 
262. Install dependencies:
27   ```bash
28   npm install
29   ```
30 
313. **Client Configuration**:
32 
33    ```json
34    {
35      "mcpServers": {
36        "Uniswap Price": {
37          "command": "node",
38          "args": ["path/to/uniswap-price-mcp/index.js"],
39          "env": {
40            "INFURA_PROJECT_ID": "your_infura_project_id"
41          }
42        }
43      }
44    }
45    ```
46    Replace `your_infura_project_id` with your Infura project ID.
47    
48## Usage
49 
50Interact with the server using MCP-compatible clients.
51 
52### Tools
53 
54#### getSupportedChains
55 
56**Prompt**:
57```
58Show me a list of all blockchain networks supported by the server, formatted as a table.
59```
60**Result**:
61 
62| Chain ID | Chain Name       |
63|----------|------------------|
64| 1        | Ethereum Mainnet |
65| 137      | Polygon          |
66| 42161    | Arbitrum         |
67| 10       | Optimism         |
68 
69#### getTokenPrice
70 
71**Prompt**:
72```
73What is the current price of DAI in USD on the Ethereum Mainnet?
74```
75 
76**Result**:
77```
78Price of token DAI on chain 1 in USD: 1.00
79```
80 
81**Prompt**:
82```
83Get the USD price of Chainlink (LINK) on the Polygon network.
84```
85 
86**Result**:
87```
88Price of token LINK on chain 137 in USD: 18.50
89```
90 
91## License
92This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.
93