Self Managed Context
guanyang/open-agent-hub
This skill should be used when a model gets read-write control over its own live context window instead of a harness-scheduled compaction policy: the context exposed as an editable file the model…
Strategies for managing LLM context windows including summarization, trimming, routing, and avoiding context rot
Install Context Window Management
$ npx skills add aiskillstore/marketplace --skill context-window-management -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install aiskillstore/marketplace context-window-management --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/sickn33/context-window-management .claude/skills/context-window-management && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "context-window-management" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/context-window-management into .claude/skills/context-window-management/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "context-window-management", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/context-window-managementType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add aiskillstore/marketplace --skill context-window-management -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install aiskillstore/marketplace context-window-management --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/sickn33/context-window-management .agents/skills/context-window-management && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "context-window-management" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/context-window-management into .agents/skills/context-window-management/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "context-window-management", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add aiskillstore/marketplace --skill context-window-management -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install aiskillstore/marketplace context-window-management --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/sickn33/context-window-management .cursor/skills/context-window-management && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "context-window-management" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/context-window-management into .cursor/skills/context-window-management/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "context-window-management", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/aiskillstore/marketplace.git --path skills/sickn33/context-window-management--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add aiskillstore/marketplace --skill context-window-management -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install aiskillstore/marketplace context-window-management --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/sickn33/context-window-management .gemini/skills/context-window-management && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "context-window-management" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/context-window-management into .gemini/skills/context-window-management/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "context-window-management", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install aiskillstore/marketplace context-window-managementInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add aiskillstore/marketplace --skill context-window-management -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/sickn33/context-window-management .github/skills/context-window-management && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "context-window-management" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/context-window-management into .github/skills/context-window-management/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "context-window-management", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add aiskillstore/marketplace --skill context-window-management -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install aiskillstore/marketplace context-window-management --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/sickn33/context-window-management .opencode/skills/context-window-management && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "context-window-management" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/context-window-management into .opencode/skills/context-window-management/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "context-window-management", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
context-window-management- GitHub stars
- 430
- Used in
- 3 other repos
- Token cost
- ~2.4k tokens
- SKILL.md length
- 798 words
- Files
- 2
- Skills in repo
- 1,108
- Repo updated
- First seen
- Licence
- None found
At a glance
Strategies for managing LLM context windows including summarization, trimming, routing, and avoiding context rot
- Tasks that involve Context engineering
- SKILL.md covers Capabilities, Prerequisites, Scope and Ecosystem, plus 6 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Tasks that involve Summarization
What it does
Context Window Management is an agent skill from aiskillstore/marketplace. Strategies for managing LLM context windows including summarization, trimming, routing, and avoiding context rot
Its SKILL.md is about 2.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `skill-report.json`).
It sits in Agent Workflows, covering Context engineering and Summarization. The repository describes itself as: Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.
When your agent uses it
- Tasks that involve Context engineering
- Tasks that involve Summarization
Example prompts
- “Use the context-window-management skill to strategy for managing LLM context windows including summarization, trimming, routing, and avoiding…”
- “/context-window-management”
What it can do on your machine
Read from SKILL.md and the folder at commit ad8daf7. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Context Window Management loads about 2.4k tokens when it runs. Until then it costs about 35 tokens; SKILL.md has 798 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 798 words (~2,367 tokens).
“Strategies for managing LLM context windows including summarization, trimming, routing, and avoiding context rot”
- name
- context-window-management
- risk
- unknown
- source
- vibeship-spawner-skills (Apache 2.0)
- date_added
- 2026-02-27
Files
SKILL.md and 1 other file in skills/sickn33/context-window-management of aiskillstore/marketplace.
- SKILL.md
- skill-report.json
Open the folder on GitHubat commit ad8daf7
Used in 3 other repositories
We found 16 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 3 other GitHub owners. This page covers the copy in aiskillstore/marketplace, which our catalogue first saw on October 7, 2026.
- sickn33/agentic-awesome-skillsskills/context-window-managementplugins/agentic-awesome-skills/skills/context-window-management+4 more
- lingxling/awesome-skills-cnantigravity-awesome-skills/skills/context-window-managementantigravity-awesome-skills/plugins/agentic-awesome-skills/skills/context-window-management+4 more
- henryalouf/ruflow.agents/skills/context-window-managementsrc/antigravity-awesome-skills/plugins/antigravity-awesome-skills/skills/context-window-management+2 more
Compare with similar skills
Context Window Management next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Context Window Management this skillaiskillstore/marketplace | 430 | 3 repos | ~2.4k | Automated safety check: Pass | None | |
| Self Managed Contextguanyang/open-agent-hub | 975 | 1 repos | ~6k | Automated safety check: Pass | MIT | |
| Context Engineeringmvschwarz/openrig | 5.9k | — | ~8.2k | Automated safety check: Pass | Apache-2.0 | |
| Context Engineeringa5c-ai/babysitter | 1.8k | — | ~1.8k | Automated safety check: Notes | MIT | |
| Context Crushermohitagw15856/pm-claude-skills | 1.4k | — | ~1.4k | Automated safety check: Pass | MIT | |
| Context Mode Output Sandboxmksglu/context-mode | 26k | — | ~4.1k | Automated safety check: Pass | Custom licence |
Similar skills
Context Engineering
mvschwarz/openrig
A skill your agent uses when designing, reviewing, or debugging how an agent's context window gets filled, pruned, or shared — choosing what loads at boot versus on demand, sizing an install or an…
Context Engineering
a5c-ai/babysitter
Context window monitoring and budget management. An agent skill from a5c-ai/babysitter.
Context Crusher
mohitagw15856/pm-claude-skills
Compress tool outputs, logs, and JSON before they enter the context window — structural compression via a deterministic stdlib script (schema + samples + stats instead of 300 raw rows), no API, no…
Context Mode Output Sandbox
mksglu/context-mode
Routes large command, file, API and browser output through context-mode tools so only the needed result enters the agent's context, instead of dumping it via Bash.
Memori Long-Term Memory
MemoriLabs/Memori
Connects Claude Code to Memori Cloud for long-term memory, recalling stored context before substantive replies and saving new context afterward.
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Related
Categories
Questions about Context Window Management
What does Context Window Management do?
Strategies for managing LLM context windows including summarization, trimming, routing, and avoiding context rot. Context Window Management is an agent skill from aiskillstore/marketplace.
When should I use Context Window Management?
Context Window Management fits situations like: tasks that involve Context engineering; tasks that involve Summarization.
How do I install Context Window Management in Claude Code?
Run `npx skills add aiskillstore/marketplace --skill context-window-management -a claude-code`. Or copy the skill folder (skills/sickn33/context-window-management in aiskillstore/marketplace) into .claude/skills/context-window-management in your project. Claude Code loads it when a task matches its description.
How do I install Context Window Management in Codex?
Run `npx skills add aiskillstore/marketplace --skill context-window-management -a codex`. Or copy the skill folder (skills/sickn33/context-window-management in aiskillstore/marketplace) into .agents/skills/context-window-management in your project. Codex loads it when a task matches its description.
Can I use Context Window Management in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add aiskillstore/marketplace --skill context-window-management -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/context-window-management, .gemini/skills/context-window-management, .github/skills/context-window-management and .opencode/skills/context-window-management in your project.
What does Context Window Management need to run?
SKILL.md names no scripts, command-line tools or credentials: Context Window Management is instructions for the agent only.
Does Context Window Management access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Context Window Management safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Context Window Management use?
No licence was found for Context Window Management or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Context Window Management use?
About 2.4k tokens (SKILL.md is roughly 9.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Context Window Management?
Skills that share tags, products or a category with Context Window Management: Self Managed Context (guanyang/open-agent-hub, 975 stars), Context Engineering (mvschwarz/openrig, 5.9k stars), Context Engineering (a5c-ai/babysitter, 1.8k stars) and Context Crusher (mohitagw15856/pm-claude-skills, 1.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Context Window Management?
aiskillstore (a GitHub organization) maintains it in aiskillstore/marketplace, which has 430 GitHub stars. The repository holds 1,108 skills in this directory. The repository was last updated on October 7, 2026.
Source: aiskillstore/marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.