prompt-compression

Installation
SKILL.md

Prompt Compression

Reduces prompt token count without losing effectiveness. Covers semantic deduplication, example pruning, instruction consolidation, and format directive compression. Critically: distinguishes between safe cuts and cuts that silently degrade output.


Phase 1 — Audit Before Cutting

Read the full prompt. Map it into buckets before touching anything:

  • Role/persona block — who the model is
  • Behavioral constraints — what it must/must not do
  • Task instructions — what to actually produce
  • Format directives — how to structure output
  • Examples — few-shot demonstrations
  • Context/background — grounding information

Compression failures almost always come from cutting across buckets without noticing. A constraint buried in an example isn't redundant with the same constraint stated in instructions — it's reinforcement. Flag these before cutting.

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2
GitHub Stars
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First Seen
Apr 11, 2026