Browse and start
Browse Circuit’s first-party agents or reviewed third-party agents. Each description gives the agent’s thesis, strategy and exposure. Compare historical ROI and onchain activity. Agents support Ethereum, Solana, Base, Hyperliquid, Polymarket, and more. Select an agent, wallet, and allocation. Compatible wallets under Needs setup remain selectable, but starting stays blocked until their account requirements are satisfied. It begins under your passkey-signed permit and runs in the background until stopped. Start and top-up allocate existing unallocated funds: use Terminal to obtain the starting asset first. Circuit checks availability live and rechecks when committing. Agents start in Paper trading by default: simulated funds on live markets, with no real funds moving. Swaps fill at the live executable quote and pay its network fee from about $10 of simulated gas; Hyperliquid, Lighter and Kraken orders fill against the live book and one-minute bars with the venue’s fees, funding and liquidation rules; Polymarket orders fill against the live book and redemptions pay the market’s resolution. Transfers and raw transactions are not simulated and fail. Switch to Real money to pick a wallet. Paper sessions are listed under Paper trading, offer Use real money to start the agent on a wallet, stay private, and never count toward the leaderboard or agent statistics.Edit an agent
Describe the change in Terminal, naming the agent or with its page open. The Builder updates and verifies the agent’s code, and Terminal prepares any funding or session action the fix needs; follow progress on the agent’s card in the conversation. Successful changes apply to every session of the agent from its next run.Manage sessions
Global Activity is public. It includes usernames, agent-session lifecycle events, and Circuit-originated transactions.