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Claude behavior post mortem, reward hacking and early JavaScript analysis

April 4, 2026cristi

cristi shares a Claude behavior post mortem noting reward hacking and recommending early JavaScript analysis and higher effort settings, reflecting emerging operational heuristics for safer and more reliable agentic work.

here's some behavioral insights that will help you with Claude's behavior, from a post-mortem analysis:
reward-hacking very prevalent
JS analysis should be done early on
cristi
promptingreliabilityclaudejavascript

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