Claude Skill

principle-guard-the-context-window

Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents; keep summaries in the main thread, not raw payloads.

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michael-denyer/pstack-claude 677 83 forks MIT Updated 2d ago

Part of michael-denyer/pstack-claude — 51 skills

Install

skills CLI

npx skills add https://github.com/michael-denyer/pstack-claude/tree/main/plugins/pstack/skills/principle-guard-the-context-window

Claude Code

claude plugin marketplace add https://llmmart.ai/marketplace.json && claude plugin install michael-denyer-pstack-claude@llmmart

Git git clone https://github.com/michael-denyer/pstack-claude.git

The skills CLI installs just this skill, for any of its supported agents. Claude Code installs the whole michael-denyer/pstack-claude collection as a plugin from our marketplace. Git is the plain clone.

Skill manifest

Guard the Context Window

The context window is finite and non-renewable within a session. Every token should be worth its cost.

Why: Context overflow degrades reasoning quality, creates compression artifacts, and halts progress.

Pattern:

Isolate large payloads. Route verbose outputs, screenshots, and large documents to subagents. The main context gets summaries, not raw data.
Keep frequently used content inline. Templates and references used on every invocation belong in the skill file, not in separate files that cost a read each time.
Size phases and cap scope. Limit files per phase, set turn budgets, account for mechanism costs.

Files (pstack-claude)

SKILL.md 930 B

---
name: principle-guard-the-context-window
description: "Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents; keep summaries in the main thread, not raw payloads."
user-invocable: false
---

# Guard the Context Window

The context window is finite and non-renewable within a session. Every token should be worth its cost.

**Why:** Context overflow degrades reasoning quality, creates compression artifacts, and halts progress.

**Pattern:**
- **Isolate large payloads.** Route verbose outputs, screenshots, and large documents to subagents. The main context gets summaries, not raw data.
- **Keep frequently used content inline.** Templates and references used on every invocation belong in the skill file, not in separate files that cost a read each time.
- **Size phases and cap scope.** Limit files per phase, set turn budgets, account for mechanism costs.