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Muggle

Category: Engineering  ·  Sub-category: testing  ·  Last updated:
Muggle AI command router and menu: the entry point for any question about what Muggle itself offers. Opens an interactive pick-list of Muggle Test commands and launches the one the user chooses, so it is the right first step whenever someone asks what Muggle can do or what commands, options, features or choices it has; asks to list Muggle's commands, all of them or just those for one area (testing, PRs, scripts, config, checking on things); wants a rundown, overview or walkthrough of Muggle; is new to Muggle or unsure where to start; or types \"muggle\" or \"/muggle\" alone. Also use when they name a broad area but are unsure which Muggle command applies and ask to see the options. Invoke it instead of summarizing Muggle's skills yourself - the pick-list turns the answer into the next action. Not for a request that already names one concrete task - that goes straight to the matching muggle skill.
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From the source SKILL.md

Use this as the top-level Muggle Test command router.

What this skill does

Muggle is a community-contributed Claude Code skill in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/muggle/ and loads when your prompt matches the skill's trigger.

When to invoke it: use when they name a broad area but are unsure which Muggle command applies and ask to see the options. Invoke it instead of summarizing Muggle's skills yourself - the pick-list turns the answer into the next action.

Who uses this skill

The Muggle Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 211,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/muggle
curl -L https://claudskills.com/skills/muggle/SKILL.md \
  -o ~/.claude/skills/muggle/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/muggle/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/muggle/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\muggle\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Frequently asked questions

How do I install the Muggle Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/muggle/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Muggle skill do?
Muggle AI command router and menu: the entry point for any question about what Muggle itself offers. Opens an interactive pick-list of Muggle Test commands and launches the one the user chooses, so it is the right first step whenever someone asks what Muggle can do or what commands, options, features or choices it has; asks to list Muggle's commands, all of them or just those for one area (testing, PRs, scripts, config, checking on things); wants a rundown, overview or walkthrough of Muggle; is new to Muggle or unsure where to start; or types \"muggle\" or \"/muggle\" alone. Also use when they name a broad area but are unsure which Muggle command applies and ask to see the options. Invoke it instead of summarizing Muggle's skills yourself - the pick-list turns the answer into the next action. Not for a request that already names one concrete task - that goes straight to the matching muggle skill.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Muggle skill?
Use Muggle when your Claude Code task falls under the Engineering category — specifically in the testing area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Muggle" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Muggle skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Muggle is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
multiplex-ai. (2026). Muggle [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/muggle/
BibTeX
@misc{muggle-2026,
  author    = {multiplex-ai},
  title     = {Muggle [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/muggle/}
}

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Grade A · scanned 2026-10-25 — free static scan against the OWASP Agentic Skills Top 10.

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More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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