check-tools SKILL.md skillA
This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.
check-tools from oaustegard/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add oaustegard/claude-skills/check-tools@v1.2.0Pins v1.2.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- oaustegard/claude-skills
- Path
check-tools/SKILL.md- Versions recorded
- 5
- Latest version
- v1.2.0, committed Sep 9, 2026
- First version recorded
- Nov 5, 2025
- Size
- 2,584 bytes
- Repository stars
- 158
- License
- MIT
Validates development tool installations across Python, Node.js, Java, Go, Rust, C/C++, Git, and system utilities. Use when verifying environments or troubleshooting dependencies.
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
# Check Tools - Development Environment Validator Reports which development tools are installed and at what version, grouped by ecosystem. Default behavior reports every tool without failing validation — suited to diverse PaaS/container environments where only a subset of ecosystems is expected to be present. ## When to use - Verifying a container or environment has the tools a task needs - Troubleshooting a build failure that might be a missing dependency - Documenting system requirements - Onboarding: confirming a dev environment is ready ## Running it ```bash # Fast check with exit code (0 = all required core tools present) bash assets/check-tools.sh # Development tools only bash assets/environment-diagnostic.sh tools # System info: hardware, mounts, processes bash assets/environment-diagnostic.sh system # Complete diagnostic (tools + system + package inventories), written to a file bash assets/environment-diagnostic.sh full /path/to/report.txt ``` `check-tools.sh` exits non-zero only when a **required** core tool (python3, pip, node, npm, java, gcc, git, curl, awk, grep, gzip, tar, make, sed) is …
Read the whole file at its exact version.
How to install
mdr add oaustegard/claude-skills/check-tools@sha256:eecfb2c74b9a3652The line at the top of this page pins the label v1.2.0, 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_vtzaftro63fbvfjp)
5 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Nov 5, 2025 and Sep 9, 2026, about one every 77 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.2.0 latest | 2026-09-09 | db4e3e1 | 2,584 B | A | view · diff |
| v1.1.3 | 2026-01-01 | ab21c6f | 12,314 B | A | view · diff |
| git:20251110.b786b98 | 2025-11-10 | b786b98 | 12,287 B | A | view · diff |
| git:20251110.547601d | 2025-11-10 | 547601d | 11,676 B | A | view · diff |
| git:20251105.00d68e4 | 2025-11-05 | 00d68e4 | 12,317 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 (2584 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
oaustegard/claude-skills · 158 stars · license MIT · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_vtzaftro63fbvfjp GET https://markdownregistry.com/api/v1/resolve?ref=oaustegard/claude-skills/check-tools GET https://markdownregistry.com/api/v1/blob/eecfb2c74b9a36524c7570620fa6f0d69e2e057d195f59d4eda2afb2dd76d8c2
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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