crafting-instructions skillA
crafting-instructions is agent-read markdown (skill) from oaustegard/claude-skills: Chooses the right FORMAT for instructions on Claude.ai — project instructions, a skill, or a standalone prompt — and gives the format-specific structure once chosen. Use when the question is which container an instruction belongs in ("should this be a skill or project instructions", "where do I put this", "how do I set up this project", "is this worth a skill"), or when someone has instructions and does not know how to package them. For the writing principles that apply inside any of the three f.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
How to install
mdr add oaustegard/claude-skills/crafting-instructions@v0.4.0mdr add oaustegard/claude-skills/crafting-instructions@sha256:dbfa64530927bdd3Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_566ejesb5nyhudr7)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v0.4.0 latest | 2026-08-25 | 6df976b | 11,960 B | A | view · diff |
| v0.3.1 | 2026-01-01 | ab21c6f | 11,029 B | A | view · diff |
| git:20251201.a6d1d0f | 2025-12-01 | a6d1d0f | 11,002 B | A | view · diff |
| git:20251118.f1f1e93 | 2025-11-18 | f1f1e93 | 9,060 B | A | view · diff |
| git:20251118.7058412 | 2025-11-18 | 7058412 | 8,862 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 (11960 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 · 147 stars · license MIT · pushed 2026-09-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_566ejesb5nyhudr7 GET https://markdownregistry.com/api/v1/resolve?ref=oaustegard/claude-skills/crafting-instructions GET https://markdownregistry.com/api/v1/blob/dbfa64530927bdd3f3fd71c0f13f56fa6dd6ac586cfe13154f11d565f8a1c989