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skill-installer SKILL.md skillA

skill-installer from bruc3van/agent-skills-guard is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add bruc3van/agent-skills-guard/skill-installer@git:20260609.08d2b92

Pins git:20260609.08d2b92 in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: bruc3van/agent-skills-guard
Path: test/test-skills/positive-real/codex-system-skill-installer/SKILL.md
Versions recorded: 2
Latest version: git:20260609.08d2b92, committed Jun 9, 2026
First version recorded: Jun 8, 2026
Size: 3,401 bytes
Repository stars: 392
License: MIT

Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos).

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

# Skill Installer

Helps install skills. By default these are from https://github.com/openai/skills/tree/main/skills/.curated, but users can also provide other locations. Experimental skills live in https://github.com/openai/skills/tree/main/skills/.experimental and can be installed the same way.

Use the helper scripts based on the task:
- List skills when the user asks what is available, or if the user uses this skill without specifying what to do. Default listing is `.curated`, but you can pass `--path skills/.experimental` when they ask about experimental skills.
- Install from the curated list when the user provides a skill name.
- Install from another repo when the user provides a GitHub repo/path (including private repos).

Install skills with the helper scripts.

## Communication

When listing skills, output approximately as follows, depending on the context of the user's request. If they ask about experimental skills, list from `.experimental` instead of `.curated` and label the source accordingly:
"""
Skills from {repo}:
1. skill-1
2. skill-2 (already installed)
3. ...
Which ones would you like installed?
"""
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add bruc3van/agent-skills-guard/skill-installer@sha256:0e78d250c15b431f

The line at the top of this page pins the label git:20260609.08d2b92, 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.

Badge

[![mdr](https://markdownregistry.com/badge/art_3zk7aouu3tyx4j4n.svg)](https://markdownregistry.com/a/art_3zk7aouu3tyx4j4n)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between Jun 8, 2026 and Jun 9, 2026, more than one a day.

version	committed	commit	size	audit
git:20260609.08d2b92 latest	2026-06-09	08d2b92	3,401 B	A	view · diff
git:20260608.9f59278	2026-06-08	9f59278	3,366 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (3401 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

GitHub

bruc3van/agent-skills-guard · 392 stars · license MIT · pushed 2026-09-26 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_3zk7aouu3tyx4j4n
GET https://markdownregistry.com/api/v1/resolve?ref=bruc3van/agent-skills-guard/skill-installer
GET https://markdownregistry.com/api/v1/blob/0e78d250c15b431fa921d7d3e32a349b67e0072739761eecb0dcdd1f8d2c53c0

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.

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