High-risk tools in Nephyr Backtest
2 of the 3 tools in Nephyr Backtest are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at high risk
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run_copy_backtestExecuteRun a copy trading backtest by replaying historical on-chain trades from top Polymarket wallets. Strategies: baseline, top3, consensus, category-filtered.
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run_weather_backtestExecuteRun a weather signal backtest over a historical date range. Uses GFS ensemble forecasts vs Polymarket prices. Returns summary stats: win rate, P&L, Sharpe, monthly breakdown.
Attacks that target this class
High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.