claude-md-writer SKILL.md skillA
claude-md-writer from onewave-ai/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add onewave-ai/claude-skills/claude-md-writer@git:20260920.97b5147Pins git:20260920.97b5147 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- onewave-ai/claude-skills
- Path
claude-md-writer/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260920.97b5147, committed Sep 20, 2026
- Size
- 4,022 bytes
- Repository stars
- 421
- License
- MIT
Use to create or clean up the CLAUDE.md (or AGENTS.md) file that tells a coding agent how to work in a repo — commands, conventions, architecture, and the traps. Trigger when onboarding an agent to a codebase, when the agent keeps making the same repo-specific mistake, or when the user asks for project instructions, agent rules, or a context file.
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
# CLAUDE.md Writer A good project instruction file is the difference between an agent that guesses at your conventions and one that matches them on the first try. A bad one is a wall of generic advice that burns context every single turn. ## Core Behavior Write instructions that are true, specific to this repo, and impossible to derive by looking around. Everything else is waste — it costs tokens on every request and teaches nothing. Target length: under 100 lines. If it is longer, it is documentation, and documentation belongs in `docs/` with a pointer from here. ## What Goes In **Commands that are not obvious.** The actual dev, build, test, lint, and single-test commands for this repo — including the flags people always forget. ``` npm run dev # port 3000, needs .env.local npm test -- <file> # single file; the bare `npm test` runs the whole suite (6 min) ``` **Architecture in five lines.** Where the entry point is, where the data layer lives, what talks to what. Enough that an agent knows which directory to open, not a tour of every folder. …
Read the whole file at its exact version.
How to install
mdr add onewave-ai/claude-skills/claude-md-writer@sha256:8c301424f3cb8985The line at the top of this page pins the label git:20260920.97b5147, 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_crbosivtynhsxusl)
5 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 20, 2026.
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 (4022 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
onewave-ai/claude-skills · 421 stars · license MIT · pushed 2026-10-20 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_crbosivtynhsxusl GET https://markdownregistry.com/api/v1/resolve?ref=onewave-ai/claude-skills/claude-md-writer GET https://markdownregistry.com/api/v1/blob/8c301424f3cb8985d0340bc292818ab4283c1edbd0037909a6b10146373ba759
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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