Uniswap Trader MCP

An MCP server for AI agents to automate token swaps on Uniswap DEX across multiple blockchains.

Features

• Price Quotes: Get real-time price quotes for token swaps with multi-hop route optimization.
• Swap Execution: Execute swaps on Uniswap V3 with configurable slippage tolerance and deadlines.
• Swap Suggestions: Generate trading suggestions based on liquidity, fees, and optimal paths.
• Multi-Chain Support: Compatible with Ethereum, Optimism, Polygon, Arbitrum, Celo, BNB Chain, Avalanche, and Base.

Prerequisites

• Node.js: Version 14.x or higher.
• npm: For package management.
• Wallet: A funded wallet with a private key for executing swaps.
• RPC Endpoints: Access to blockchain RPC URLs (e.g., Infura, Alchemy) for supported chains.

Installation

1. Clone the Repository:

   git clone https://github.com/kukapay/uniswap-trader-mcp.git
   cd uniswap-trader-mcp

2. Install Dependencies:

   npm install

Configuration

{
  "mcpServers": {
    "Uniswap-Trader-MCP": {
      "command": "node",
      "args": ["path/to/uniswap-trader-mcp/server/index.js"],
      "env": {
        "INFURA_KEY": "your infura key",
        "WALLET_PRIVATE_KEY": "your private key"
      }
    }
  }
}

Usage

Supported Chains

The following blockchains are supported. Ensure each chain is configured in chainConfigs.js with a valid RPC URL, WETH address, and SwapRouter address.

| Chain ID | Name | Notes | |----------|--------------|--------------------------------------------| | 1 | Ethereum | Mainnet, widely used for Uniswap trades | | 10 | Optimism | Layer 2, requires Optimism RPC | | 137 | Polygon | Fast and low-cost, uses MATIC as native | | 42161 | Arbitrum | Layer 2, Arbitrum One network | | 42220 | Celo | Mobile-first blockchain, uses CELO | | 56 | BNB Chain | Binance Smart Chain, uses BNB | | 43114 | Avalanche | High-throughput, uses AVAX | | 8453 | Base | Coinbase’s Layer 2, built on Optimism |

Tools and Prompts

1. getPrice

Fetches a price quote for a Uniswap swap.

Schema:

• chainId: Number (default: 1)
• tokenIn: String (e.g., "NATIVE" or token address)
• tokenOut: String (e.g., "NATIVE" or token address)
• amountIn: String (optional, required for "exactIn")
• amountOut: String (optional, required for "exactOut")
• tradeType: "exactIn" or "exactOut" (default: "exactIn")

Example prompt:

Get me a price quote for swapping 1 ETH to DAI on Ethereum.

Output:

{
  "chainId": 1,
  "tradeType": "exactIn",
  "price": "3000.50",
  "inputAmount": "1.000000",
  "outputAmount": "3000.50",
  "minimumReceived": "2985.50",
  "maximumInput": "1.005000",
  "route": [
    {
      "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
      "tokenOut": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
      "fee": 3000
    }
  ],
  "estimatedGas": "150000"
}

2. executeSwap

Executes a swap on Uniswap.

Schema:

• chainId: Number (default: 1)
• tokenIn: String
• tokenOut: String
• amountIn: String (optional, required for "exactIn")
• amountOut: String (optional, required for "exactOut")
• tradeType: "exactIn" or "exactOut" (default: "exactIn")
• slippageTolerance: Number (default: 0.5, in percentage)
• deadline: Number (default: 20, in minutes)

Example prompt:

Swap 1 ETH for DAI on Ethereum with a 0.5% slippage tolerance and a 20-minute deadline.

Output:

{
  "chainId": 1,
  "txHash": "0x1234...abcd",
  "tradeType": "exactIn",
  "amountIn": "1.000000",
  "outputAmount": "2990.75",
  "minimumReceived": "2985.50",
  "maximumInput": "1.005000",
  "fromToken": "NATIVE",
  "toToken": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
  "route": [
    {
      "tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
      "tokenOut": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
      "fee": 3000
    }
  ],
  "gasUsed": "145000"
}

License

MIT License. See LICENSE for details.