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base wallet toolkit

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npm base-wallet-toolkit-mcpstdioupdated 6mo ago

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

CódigoWeb1

¿Qué puedes hacer con base wallet toolkit?

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

Tools

Tool Description
check_balances Get ETH + ERC-20 token balances for any wallet
get_gas_estimate Estimate gas cost for a transaction on Base
get_token_info Get ERC-20 token details (name, symbol, supply, decimals)
check_allowance Check token approval/allowance status
get_base_gas_price Get current Base gas price and typical tx costs
resolve_address Resolve ENS name to address (or reverse lookup)
get_tx_status Check transaction status and details by hash

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