TESTNET
Test USDC on Base Sepolia — no real value. Agent wallet → tool owner wallet before the tool executes.
In production this is handled automatically by the x402 protocol (HTTP 402 challenge / sign / retry).
Wallets not yet initialised. Click Init Wallets to create two wallets on Base Sepolia, then Faucet for instructions to fund the agent wallet with test USDC from Circle's faucet.