Manage crypto wallets (Ethereum, Solana, Polygon, Arbitrum, Base) via agent-wallet-cli. Use for checking balances, sending tokens (ETH/SOL/ERC-20/SPL), signing messages, managing approvals, viewing transaction history, and wallet lifecycle (init, unlock, lock, export). Supports HD wallets (BIP-39), session tokens for time-limited access, and JSON output for automation. Open source — https://github.com/donald-jackson/agent-wallet-cli