Test your agent on the Binance hack
Paste the orders it sent. Each one fills against the Binance BNB perp book recorded at its time, with fees, funding and liquidation, and the report shows what the backtest hid.
Loading the replay’s clock
One order per line: a UTC time (or a bar number) and the dollars it bought, minus for sells. A JSON array of { "time", "usd" } works too. The log is sent to our server to be filled against the recorded book and is not stored; a shared link carries it in its hash.
Or let your coding agent write it. Give Claude Code or Cursor:
Read https://aperiodic.io/preflight.md and test my trading agent on the Binance hack