base-wallet-toolkit-mcp

An MCP server for AI agents to interact with Base chain wallets. Check balances, estimate gas, inspect tokens, verify allowances, and more.

Install

npx -y base-wallet-toolkit-mcp

Related MCP server: Base MCP Server

Tools

Setup

Add to your MCP client config (Claude Code, Cursor, etc.):

{
  "mcpServers": {
    "base-wallet-toolkit": {
      "command": "npx",
      "args": ["-y", "base-wallet-toolkit-mcp"]
    }
  }
}

No API keys required. All tools are read-only and use public Base RPC.

Use Cases

• Portfolio tracking: Check ETH and token balances across wallets

• Pre-trade checks: Verify allowances before swaps, estimate gas costs

• Token research: Look up any ERC-20 token details on Base

• Transaction monitoring: Check if a tx confirmed, reverted, or is pending

• ENS resolution: Convert between ENS names and addresses

• Gas optimization: Monitor Base gas prices to time transactions

Chain

• Network: Base mainnet (chainId 8453)

• RPC: Uses public Base RPC by default, configurable via RPC_URL env var

• ENS: Resolves via Ethereum mainnet (configurable via ETH_RPC_URL)

License

MIT