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spec-first

Write the goal spec on disk before the agent acts, so it can't drift. Use before any multi-step task.

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  • SKILL.md895 B

SKILL.md (original)

Review the instructions the agent will receive before you install.

Spec First

Without an external contract, the agent drifts after ~3 iterations — and the failure looks like progress (code written, tests pass, wrong goal solved). Write PROMPT.md BEFORE acting:

  • Goal — one sentence.
  • Done when — concrete, checkable conditions. "Test suite green: <cmd>".
  • Never touch — files/areas off-limits.
  • Stop if — more than N files outside scope change; a passing test starts failing. The agent re-reads this file every iteration. State (what's done) goes in a separate IMPLEMENTATION_PLAN.md it updates in place. If you can't write "done when" concretely, the task isn't ready — clarify before coding.

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