wallet

name	wallet
description	Use the wallet tools for all balance, send, and sign operations. Supports both ETH and ERC-20 tokens. The away wallet operates autonomously after setup — the home device does not need to be online.
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Wallet (ocap)

Use the wallet tools for any Ethereum balance, send, or sign request. Do not use exec or other CLIs for wallet operations.

Tools

• wallet_accounts — List wallet accounts. Returns cached home accounts if the home device is offline.
• wallet_balance — Get ETH balance for an address. Use wallet_accounts first to find the right address.
• wallet_send — Send ETH to an address. Fully autonomous — uses delegation redemption (bundler for Hybrid accounts, direct RPC for stateless EIP-7702 home accounts), no home device needed when the away wallet is configured.
• wallet_token_resolve — Resolve a token symbol or name (e.g. "USDC") to its contract address on the current chain. Not available for testnets.
• wallet_token_balance — Get ERC-20 token balance. Accepts a contract address or symbol (e.g. "USDC"). Returns human-readable amount with symbol.
• wallet_token_send — Send ERC-20 tokens to an address. Accepts a contract address or symbol. Automatically converts decimal amounts using the token's decimals.
• wallet_token_info — Get ERC-20 token metadata (name, symbol, decimals). Accepts a contract address or symbol.
• wallet_swap_quote — Get a token swap quote without executing. Shows expected output amount, aggregator, and gas estimate. Accepts contract addresses or token symbols.
• wallet_swap — Execute a token swap. Handles ERC-20 approval and swap in sequence. Accepts contract addresses or token symbols.
• wallet_sign — Sign a message or typed data with the local key. The signature is valid for EIP-1271 verification against the smart account address.
• wallet_capabilities — Check what the wallet can do (local keys, peer wallet, delegations, bundler, cached accounts, autonomy level).

Autonomy

After setup, the away wallet is fully autonomous for sending ETH, sending ERC-20 tokens, and signing messages. The home device only needs to be online for signing as the home EOA address specifically (which is rarely needed). Check wallet_capabilities — if autonomy contains "offline-capable", the wallet works independently.

ERC-20 Token Operations

All token tools accept either a contract address (0x...) or a token symbol (e.g. "USDC", "DAI"). When a symbol is given, the tool resolves it to the contract address on the current chain via the MetaMask Token API. This works on mainnet and major L2s but not on testnets — for testnets, provide the contract address directly.

To send tokens, use wallet_token_send with the token (address or symbol), recipient, and amount in human-readable decimals (e.g., "100.5" for 100.5 USDC). The tool automatically queries the token's decimals and converts to raw units.

To check a token balance, use wallet_token_balance with the token (address or symbol).

If you need to discover a token's address, use wallet_token_resolve to search by name or symbol. If you need to check which token a contract is, use wallet_token_info to get its name, symbol, and decimals.

Token Swaps

Use wallet_swap_quote to preview a swap before executing, and wallet_swap to execute. Both accept token symbols (e.g. "ETH", "USDC") or contract addresses. The swap uses MetaSwap (MetaMask's aggregator) to find the best rate across multiple DEXs.

• Default slippage is 1%. Adjust with the slippage parameter (0.1–50%).
• For ERC-20 source tokens, approval is handled automatically if needed.
• When a smart account is configured, the approve and swap are batched atomically in a single UserOp — no separate approval transaction.
• Native ETH is represented as "ETH" or the zero address.
• Swaps are not available on all testnets — MetaSwap may not support them.

Rules

• Use only the wallet tools for wallet operations.
• Do not use exec to run cast, ethers, or other scripts for sending ETH/tokens or signing.
• If a send or sign returns pending or waiting for approval, tell the user and do not retry with a different method.
• Never prompt the user to type "yes" or "allow" in chat for approval; approval happens in the user's wallet or home UI.