# 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.

- Skill: `majiayu000/evm-address-info` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/evm-address-info`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/evm-address-info/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/evm-address-info

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# 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:
```bash
${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

```bash
# 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.