evm-address-info

name	evm-address-info
description	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.
allowed-tools	Bash

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.