skills/ HoangNguyen0403/agent-skills-standard

common-context-optimization

Manage context and prompt-cache costs without losing task state. Use for context management, orchestration cost, token budgets, large tool outputs, cache misses, or long-running conversations.

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4 files scannedscanner v1.2.0Oct 11, 2026

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SKILL.md

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Workflow

  1. Inspect host capabilities; do not assume agents can rewrite history, prompts, or memory.
  2. Project outputs after consuming them: retain decisions, evidence, errors, and required values; point to complete logs/artifacts by stable reference.
  3. Bound context at host-supported boundaries. Carry goal, active slice, authority, decisions, blockers, evidence links, and next action; preserve a stable append-only prefix where supported.
  4. Compact only when useful and supported. Keep required details retrievable; never discard source evidence or rely on a fixed turn/token threshold.
  5. Measure cache reads, replayed input, and total actor cost across the whole task. Separate observed usage from estimates; no invoice, savings, or efficacy claims without evidence.

Anti-Patterns

  • No history rewrite assumption: Project outputs or create artifact references; use only host-supported controls.
  • No fixed threshold: Compact from observed context pressure and task needs, not a universal turn/token count.
  • No evidence deletion: Keep stable references to source outputs, decisions, and verification.
  • No partial cost claim: Include cache reads, replay, and total actor cost; label estimates.

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