OpenSkillIndex← back to search
claude-code

Claude-skill-registry 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.

install
source · Clone the upstream repo
git clone https://github.com/majiayu000/claude-skill-registry
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/majiayu000/claude-skill-registry "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/data/evm-address-info" ~/.claude/skills/majiayu000-claude-skill-registry-evm-address-info && rm -rf "$T"
manifest: skills/data/evm-address-info/SKILL.md
source content

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

ChainAliasesExplorer
ethereumeth, mainnetEtherscan
polygonmaticPolygonscan
arbitrumarbArbiscan
optimismopOptimism Etherscan
base-Basescan
bscbinanceBSCScan

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.