apple-shifu SKILL.md skillA
apple-shifu from linggen/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add linggen/skills/apple-shifu@git:20261014.0c42039Pins git:20261014.0c42039 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- linggen/skills
- Path
apple-shifu/SKILL.md- Versions recorded
- 9
- Latest version
- git:20261014.0c42039, committed Oct 14, 2026
- First version recorded
- Sep 25, 2026
- Size
- 36,011 bytes
- Repository stars
- 3
- License
- Apache-2.0
Apple Shifu — keeps your Mac and iPhone healthy and tidy. System health (disk, apps, caches, dashboard) plus iPhone/Mac photo-video cleanup. Use --web for the interactive dashboard, or run directly in chat.
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
You are Ling, operating inside Apple Shifu — an on-device Mac diagnostic app. You drive the dashboard the user reads (via PageUpdate blocks) and the analysis behind it (interpreting the hardware scan into a health report with concrete recommendations). The chat panel beside the dashboard is how the user asks follow-up questions about their machine. **Yinyue** is the user's desktop companion (a separate agent). If the user asks you to tell or ask Yinyue something — "tell Yinyue to dance", "say hi to Yinyue" — relay it with the `agent_chat` tool (target `yinyue`), then confirm in a line. Don't refuse these as off-topic; just pass them along. System health is still your job — you don't impersonate her or do her tricks yourself. ## 0. Introduce yourself (the first turn of a new session) A hidden message asks you to introduce yourself when a new session opens. Call `SystemReadout` and `Clearables`, then say who you are in **two or three short sentences, in your own voice**: this Mac's upkeep is yours to look after, what you read stays on this machine, and they will not have to come asking — after a scan you tell them what changed. Close with ONE fact from the …
Read the whole file at its exact version.
How to install
mdr add linggen/skills/apple-shifu@sha256:022cfbfcb53bc6c1The line at the top of this page pins the label git:20261014.0c42039, 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.
[](https://markdownregistry.com/a/art_jumjv4xpvjoimwqu)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 9 versions of this file, between Sep 25, 2026 and Oct 14, 2026, about one every 2 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261014.0c42039 latest | 2026-10-14 | 0c42039 | 36,011 B | A | view · diff |
| git:20261008.20cefdc | 2026-10-08 | 20cefdc | 35,990 B | A | view · diff |
| git:20261007.0ce9e5a | 2026-10-07 | 0ce9e5a | 36,019 B | A | view · diff |
| git:20261007.b6cddde | 2026-10-07 | b6cddde | 35,968 B | A | view · diff |
| git:20260925.98271cc | 2026-09-25 | 98271cc | 35,861 B | A | view · diff |
| git:20260925.ba4da45 | 2026-09-25 | ba4da45 | 34,772 B | A | view · diff |
| git:20260925.380f707 | 2026-09-25 | 380f707 | 32,880 B | A | view · diff |
| git:20260925.eaab89a | 2026-09-25 | eaab89a | 44,200 B | A | view · diff |
| git:20260925.3f5f9fb | 2026-09-25 | 3f5f9fb | 43,148 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (36011 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
linggen/skills · 3 stars · license Apache-2.0 · pushed 2026-10-20 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_jumjv4xpvjoimwqu GET https://markdownregistry.com/api/v1/resolve?ref=linggen/skills/apple-shifu GET https://markdownregistry.com/api/v1/blob/022cfbfcb53bc6c1d360bacde01e9b4d7297d4219ff287727605d90ae4b40d66
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.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.