evm-address-info

Use this skill when the user asks to "check balance", "what's the balance of", "is this a contract or EOA", "get address info", or mentions checking wallet balance or account type on EVM chains (Ethereum, Polygon, Arbitrum, etc.). Requires an address and optional chain parameter.

EVM Address Info Fetcher

Gets address balance and account type (EOA vs Contract) from an EVM blockchain network.

Usage

Run the script with address and optional chain:

${CLAUDE_PLUGIN_ROOT}/scripts/crypto-evm-address-info.sh <address> [chain]

Arguments

address (required): Ethereum address (0x + 40 hex) or ENS name
chain (optional): Chain name - ethereum (default), polygon, arbitrum, optimism, base, bsc

Supported Chains

| Chain | Aliases | Explorer | |-------|---------|----------| | ethereum | eth, mainnet | Etherscan | | polygon | matic | Polygonscan | | arbitrum | arb | Arbiscan | | optimism | op | Optimism Etherscan | | base | - | Basescan | | bsc | binance | BSCScan |

Requirements

cast (Foundry) must be installed
RPC URL is optional (uses PublicNode fallback)

Examples

# Check ENS name balance on Ethereum
${CLAUDE_PLUGIN_ROOT}/scripts/crypto-evm-address-info.sh vitalik.eth

# Check address on Polygon
${CLAUDE_PLUGIN_ROOT}/scripts/crypto-evm-address-info.sh 0x1234...abcd polygon

Note

For Solana account info, use the sol-account-info skill instead.