This file is byte-identical to the first copy the registry indexed, one of 3 indexed copies. Same content hash, so the same checks give both the same grade.
principle-guard-the-context-window from cursor/plugins is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
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.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Guard the Context Window
**Why:** Context overflow degrades reasoning quality, creates compression artifacts, and halts progress.
**Pattern:**
- **Size phases and cap scope.** Limit files per phase, set turn budgets, account for mechanism costs.
The line at the top of this page pins the label git:20261016.182f2ce, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_xdsml3fzaufuqrvy
GET https://markdownregistry.com/api/v1/resolve?ref=cursor/plugins/principle-guard-the-context-window
GET https://markdownregistry.com/api/v1/blob/af0b9dd70b43628ce4a59a4d332e9d9ad055084e460f430e7a757495c627e81a
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
cursor/plugins · advisor/skills/advisor/SKILL.md · Advisor mode. Consult a stronger (or different) model at key checkpoints: before major decisions, when stuck on an…
cursor/plugins · agent-compatibility/skills/check-agent-compatibility/SKILL.md · Run the full repository compatibility pass: scanner score, startup path, validation loop, and docs reliability.
cursor/plugins · cli-for-agent/skills/cli-for-agents/SKILL.md · Designs or reviews CLIs so coding agents can run them reliably: non-interactive flags, layered --help with examples…
cursor/plugins · create-plugin/skills/create-plugin-scaffold/SKILL.md · Create a new Cursor plugin scaffold with a valid manifest, component directories, and marketplace wiring. Use when…
cursor/plugins · create-plugin/skills/review-plugin-submission/SKILL.md · Audit a Cursor plugin for marketplace readiness. Use when validating manifests, component metadata, discovery paths…
cursor/plugins · cursor-sdk/skills/cursor-sdk/SKILL.md · Guide users building apps, scripts, CI pipelines, or automations on top of the Cursor TypeScript SDK (`@cursor/sdk`)…
cursor/plugins · cursor-team-kit/skills/control-cli/SKILL.md · Build or adapt a local harness to drive, inspect, and profile an interactive CLI or TUI without external services. Use…
cursor/plugins · cursor-team-kit/skills/control-ui/SKILL.md · Build or adapt a local browser/CDP harness to drive and inspect a web, IDE, or Electron UI. Use for local UI…
cursor/plugins · pstack/skills/principle-guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
michael-denyer/pstack-claude · plugins/pstack/skills/principle-guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
backnotprop/pstack · skills/principle-guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
j-star-films-studios/vibecode-protocol-suite · assets/.agent/skills/engineering-principles/guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
creedants/pstack-t3 · skills/principle-guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
arjitj2/open-pstack · plugins/pstack/skills/principle-guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
painhardcore/pstack · .opencode/skills/principle-guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
edbertchan/catstack · corpus/skills/principle-guard-the-context-window/SKILL.md · Apply when context is filling up: large outputs, long files, repeated reads, fan-out planning. Route bulk to subagents…
