MCP Servers

base-wallet-toolkit-mcp

Enables AI agents to interact with Base chain wallets, providing tools for checking balances, estimating gas, inspecting tokens, verifying allowances, and more.

README

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

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