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Agent skill

Update Installed Skills

by MoizIbnYousaf in MoizIbnYousaf/ai-agent-skills

A skill your agent uses when syncing or updating previously installed skills to their latest version.

MITAuto-check passed

Install Update Installed Skills

skills CLI
$ npx skills add MoizIbnYousaf/ai-agent-skills --skill update-installed-skills -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install MoizIbnYousaf/ai-agent-skills update-installed-skills --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/MoizIbnYousaf/ai-agent-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/update-installed-skills .claude/skills/update-installed-skills && rm -rf skills-src

Use ~/.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/

Facts

Skill name
update-installed-skills
GitHub stars
1.1k
Token cost
~393 tokens
SKILL.md length
148 words
Files
1
Skills in repo
15
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when syncing or updating previously installed skills to their latest version.

  • Works in 5 steps: List currently installed skills. → Check for available updates. → Dry-run the update. → …
  • Updating previously installed skills to their latest version
  • SKILL.md covers Goal, Guardrails, Workflow and Gotchas
  • Calls npx

What it does

Update Installed Skills is an agent skill from MoizIbnYousaf/ai-agent-skills. Use when syncing or updating previously installed skills to their latest version. Always dry-run updates before applying, and check for breaking changes.

Its SKILL.md is about 390 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Universal skill installer and package manager for AI coding agents. One command, 12+ runtimes. npx ai-agent-skills. The licence is MIT.

When your agent uses it

  • Updating previously installed skills to their latest version

Example prompts

  • “/update-installed-skills”

Requirements

  • Node.js

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. List currently installed skills.
  2. Check for available updates.
  3. Dry-run the update.
  4. Apply the update after reviewing.
  5. For bulk updates, review each skill's dry-run output.

What it can do on your machine

Read from SKILL.md and the folder at commit 6d95c78. 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

    Shell commands in SKILL.md call:

    • npx

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    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

Update Installed Skills loads about 393 tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 148 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~44
When it runs · the whole SKILL.md, loaded when a task matches
~393

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

The full file from MoizIbnYousaf/ai-agent-skills at commit 6d95c78, republished under its MIT licence (© MoizIbnYousaf). 148 words, ~393 tokens.

Download SKILL.mdSave it as .claude/skills/update-installed-skills/SKILL.md (or your agent's skills folder).
name
update-installed-skills
description
Use when syncing or updating previously installed skills to their latest version. Always dry-run updates before applying, and check for breaking changes.
category
workflow
version
4.1.0

Update Installed Skills

Goal

Keep installed skills current without breaking the agent's workflow or silently overwriting local customizations.

Guardrails

  • Always use --dry-run before running a real update.
  • Check what is currently installed before updating: npx ai-agent-skills list --installed.
  • Never update all skills at once in production without reviewing the dry-run output.
  • Use --format json to capture structured update results for logging.

Workflow

  1. List currently installed skills.
bash
npx ai-agent-skills list --installed --format json --fields name
  1. Check for available updates.
bash
npx ai-agent-skills check
  1. Dry-run the update.
bash
npx ai-agent-skills sync <skill-name> --dry-run
  1. Apply the update after reviewing.
bash
npx ai-agent-skills sync <skill-name>
  1. For bulk updates, review each skill's dry-run output.
bash
npx ai-agent-skills sync --all --dry-run

Gotchas

  • Skills installed from GitHub will attempt a fresh clone during sync. If the upstream repo is gone, the update will fail gracefully.
  • Manually edited SKILL.md files will be overwritten by sync. Back up customizations before syncing.
  • The check command makes network requests to verify upstream sources. It may be slow or fail if sources are unreachable.

© MoizIbnYousaf, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/update-installed-skills of MoizIbnYousaf/ai-agent-skills.

Open the folder on GitHubat commit 6d95c78

Compare with similar skills

Update Installed Skills 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.

Update Installed Skills compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Update Installed Skills this skillMoizIbnYousaf/ai-agent-skills1.1k—~393Automated safety check: PassMIT
Openclaw Updateopenclaw/openclaw392k—~1.5kAutomated safety check: PassMIT
Update Docsvercel/next.js143k—~1.9kAutomated safety check: PassMIT
UpdateQ00/ouroboros6.2k—~1.1kAutomated safety check: PassMIT
Generating Python Installeraffaan-m/ECC277k1 repos~6.1kAutomated safety check: PassMIT
Skill Installercodewhale-hq/Codewhale41k—~360Automated safety check: PassMIT

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Questions about Update Installed Skills

What does Update Installed Skills do?

A skill your agent uses when syncing or updating previously installed skills to their latest version. Update Installed Skills is an agent skill from MoizIbnYousaf/ai-agent-skills. Use when syncing or updating previously installed skills to their latest version.

When should I use Update Installed Skills?

Update Installed Skills fits situations like: updating previously installed skills to their latest version.

How do I install Update Installed Skills in Claude Code?

Run `npx skills add MoizIbnYousaf/ai-agent-skills --skill update-installed-skills -a claude-code`. Or copy the skill folder (skills/update-installed-skills in MoizIbnYousaf/ai-agent-skills) into .claude/skills/update-installed-skills in your project. Claude Code loads it when a task matches its description.

How do I install Update Installed Skills in Codex?

Run `npx skills add MoizIbnYousaf/ai-agent-skills --skill update-installed-skills -a codex`. Or copy the skill folder (skills/update-installed-skills in MoizIbnYousaf/ai-agent-skills) into .agents/skills/update-installed-skills in your project. Codex loads it when a task matches its description.

Can I use Update Installed Skills 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 MoizIbnYousaf/ai-agent-skills --skill update-installed-skills -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/update-installed-skills, .gemini/skills/update-installed-skills, .github/skills/update-installed-skills and .opencode/skills/update-installed-skills in your project.

What does Update Installed Skills need to run?

Going by SKILL.md and its folder, Update Installed Skills needs the command-line tools its instructions call (npx). Our summary lists: Node.js.

Does Update Installed Skills access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Update Installed Skills 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 Update Installed Skills use?

Update Installed Skills is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Update Installed Skills use?

About 393 tokens (SKILL.md is roughly 1.6k 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 Update Installed Skills?

Skills that share tags, products or a category with Update Installed Skills: Openclaw Update (openclaw/openclaw, 392k stars), Update Docs (vercel/next.js, 143k stars), Update (Q00/ouroboros, 6.2k stars) and Generating Python Installer (affaan-m/ECC, 277k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Update Installed Skills?

MoizIbnYousaf (a GitHub user) maintains it in MoizIbnYousaf/ai-agent-skills, which has 1,149 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on September 21, 2026.

Source: MoizIbnYousaf/ai-agent-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.