MCP 服务器

Base L2 Agent Kit

MCP server for Base L2 DeFi — wallets, swaps, liquidity, price feeds, flash loans

README

Base L2 Agent Kit

MCP server providing Base L2 DeFi tools for AI agents. Wallet management, token swaps, liquidity provision, price feeds, contract interaction, and flash loan arbitrage.

Overview

Base L2 Agent Kit is an MCP server with 9 tools for Base L2 operations. Enables AI agents to manage wallets, swap tokens, provide liquidity, read price feeds, and execute flash loan arbitrage — all via typed tool calls.

Why Base L2?

Low gas — ~$0.01-0.05 per transaction
Fast finality — ~2 seconds
Deep liquidity — Uniswap V3, Aerodrome, Curve
Coinbase backed — Reliable infrastructure

Tools

Tool	Description	x402 Price
`get_wallet_balance`	Check ETH, USDC, any ERC20	Free
`get_transaction_history`	Recent transactions	Free
`send_transaction`	Simple transfers	Free
`swap_tokens`	DEX aggregation (1inch/Uniswap)	$0.01
`add_liquidity`	Uniswap V3 concentrated positions	$0.03
`remove_liquidity`	Exit + collect fees	$0.03
`get_token_price`	Chainlink + DEX aggregation	$0.001
`call_contract`	Read contract state	$0.001
`execute_flash_loan`	Aave V3 flash loan arbitrage	$0.05

Installation

Via Smithery (Recommended)

npx -y @smithery/cli install @ajcheasty2/base-l2-agent-kit

Manual (MCP Client)

{
  "mcpServers": {
    "base-l2-agent-kit": {
      "command": "npx",
      "args": ["-y", "@manteclaw/base-l2-agent-kit"],
      "env": {
        "ALCHEMY_API_KEY": "your-alchemy-key",
        "PRIVATE_KEY": "0x..."
      }
    }
  }
}

Docker

docker run -i --rm \
  -e ALCHEMY_API_KEY=your-key \
  -e PRIVATE_KEY=0x... \
  ghcr.io/manteclaw/base-l2-agent-kit:latest

Quick Start

// Check wallet balance
const balance = await client.callTool("get_wallet_balance", {
  address: "0x...",
  token: "USDC"
});

// Swap ETH → USDC
const swap = await client.callTool("swap_tokens", {
  fromToken: "ETH",
  toToken: "USDC",
  amount: "0.1",
  slippage: 0.5
});

// Flash loan arbitrage
const arb = await client.callTool("execute_flash_loan", {
  token: "USDC",
  amount: "10000",
  profitThreshold: 0.5
});

Safety

🔒 Never store keys in plaintext — Use Bankr, encrypted keystores, or hardware wallets
🧪 All transactions simulated before execution
⛽ Gas checks — abort if > $0.10
🛡️ Slippage protection — revert if exceeded
🚫 No infinite approvals — exact-amount permits only
🧪 Dry-run mode available