Borrowing it
Nothing to install: this file belongs to rikdc/ai-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.
curl -O https://raw.githubusercontent.com/rikdc/ai-skills/main/CLAUDE.mdgit clone --depth 1 https://github.com/rikdc/ai-skillsWrote 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.
[](https://agentmods.dev/instructions/rikdc/ai-skills/claude-md)<a href="https://agentmods.dev/instructions/rikdc/ai-skills/claude-md"><img src="https://agentmods.dev/badge/instructions/rikdc/ai-skills/claude-md.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.02050 | $0.02050 |
| Opus 5 | $0.01025 | $0.01025 |
| Sonnet 5 | $0.00410 | $0.00410 |
| Haiku 4.5 | $0.00205 | $0.00205 |
Grade A, and why
ai-skills CLAUDE.md scanned grade A with 0 findings 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 8d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
Project Overview
This is the AI Skills project, which provides security hooks and testing infrastructure for Claude Code projects. The main features are:
- Security scanning to prevent sensitive data from being sent to external MCP services
- Branch protection to enforce PR-based workflows by preventing direct edits to protected branches (main, master, production, release)
Marketplace Structure
The repository is organized as a marketplace with 7 installable plugins:
- security-hooks: MCP security scanner and protected branch hooks
- dev-skills: Expert skills for Go, documentation, and architecture
- git-workflow: Git automation for commits, PRs, and changelog
- pm-tools: Project management commands for PRDs and tasks
- code-quality: Code quality analysis, review, and cleanup
- prompt-tools: AI prompt generation and review tools
- pr-review-triage: Triage of PR review comments and follow-up tracking
Directory Structure
plugins/: Marketplace plugin distribution (for users to install individual plugins).claude/: Local development structure (for contributors working on the codebase)
Key Commands
All project operations are managed through the Makefile:
make test # Run complete test suite
make lint # Run ShellCheck on all shell scripts
make install # Install hooks (make scanner script executable)
make sync-codex-skills # Sync .codex/skills symlinks with plugins/*/skills
make clean # Remove test artifacts and logs
make status # Show current status and configuration
make check-tools # Check for required and optional security tools
make help # Display all available commands
Claude Code Skills and Commands
This project uses the modern Claude Code skills structure alongside legacy commands.
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.
- 8d ago First seen · 180 lines · 2,050 tokens per session scan A 9b161dae4788
ai-skills CLAUDE.md is an instructions file published in the GitHub repository rikdc/ai-skills (2 stars, last pushed 3d ago), licensed MPL-2.0. It adds 2,050 tokens to every session, about $0.0103 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
Other instructions, from other repositories
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
codex AGENTS.md
AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
spec-kit AGENTS.md
AGENTS.md instructions for github/spec-kit, covering agents.md, about spec kit and specify, quickstart — add a new integration in 5 steps, integration architecture and integrationmanifest — file tracking.