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skills: Instructions file for Claude Code

CLAUDE.md

skills CLAUDE.md is an instructions file for Claude Code from johnie/skills. It costs 867 tokens per session, scanned A, original, no licence file.

A set of instructions for working in the johnie/skills repository with Claude Code, an AI coding tool. It covers agents.md, commands, skill management, repository structure, and code quality tools.

In plain words
What is it for?
It is for managing skills, following the repository structure, and using Ultracite and Biome for linting and formatting.
Why use it?
It gives the coding agent the repository-specific rules it needs to make compatible changes and run the expected checks.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is johnie/skills's own configuration. It tells Claude Code how to work on skills itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything skills configures →

not rated 2repo changed 2mo ago A scan 867 tokens no licence
View source ↗ johnie/skills johnie.se
Reuse

Borrowing it

Nothing to install: this file belongs to johnie/skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/johnie/skills/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/johnie/skills

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for skills CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/johnie/skills/claude-md/github.svg)](https://agentmods.dev/instructions/johnie/skills/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/johnie/skills/claude-md"><img src="https://agentmods.dev/badge/instructions/johnie/skills/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for skills CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/johnie/skills/claude-md"><img src="https://agentmods.dev/badge/instructions/johnie/skills/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 867 This file is loaded in full into every session.
When invoked 867 The same file — it is already loaded in full.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00867 $0.00867
Opus 5.5 $0.00347 $0.00347
Sonnet 5.5 $0.00173 $0.00173
Haiku 4.5 $0.00087 $0.00087

Measured 2mo ago against content hash d550305174fc, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

skills CLAUDE.md scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

- Use built-in standard modules like `node:fs`, `node:path`, `node:child_process`, etc.
CLAUDE.md · 88 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago Changed · +4 lines d550305174fc
  2. 2mo ago First seen · 84 lines · 867 tokens per session scan A 4ce3c8bb5a6d

Subscribe to this mod's changes

skills CLAUDE.md is an instructions file published in the GitHub repository johnie/skills (2 stars, last pushed 2mo ago), with no licence file. It adds 867 tokens to every session, about $0.0035 per session on Opus 5.5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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