Field guide · free download

How coding agents fail

Six structural failure modes of frontier coding agents on production codebases, and the explicit rules that mitigate them. Drawn from hundreds of controlled test runs.

Get the guide and the rules file

  • The six failure modes, with the rule that mitigates each one
  • A rules file for CLAUDE.md or AGENTS.md, ready to edit
  • The measured ceilings where rules files stop working

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