Structured study guide for Claude Code, covering slash commands, CLAUDE.md, spec-driven development, plan mode, custom commands, skills, sub-agents, and MCP.
SaferSkills independently audited claude-code-playbook (Agent Skill) and scored it 96/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 1 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 1 flagged
The text {match} tells the agent to skip the normal "ask the user first" gate. Used adversarially it removes the human-in-the-loop check before destructive or sensitive actions, turning a normally-gated agent into a fire-and-forget executor.
Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
A structured study guide covering the core features of Claude Code — Anthropic's official CLI for agentic software development. Each topic has a notes.md with research and learnings.
| # | Topic | Status | What's covered |
|---|---|---|---|
| 01 | Slash Commands | ✅ Done | Sessions, built-in commands, context window management |
| 02 | CLAUDE.md | ✅ Done | Project memory, .claude folder types, all 5 CLAUDE.md types, auto memory |
| 03 | Spec Driven Development | ✅ Done | Vibe coding vs spec-driven, spec vs design doc, 7-step workflow |
| 04 | Plan Mode | 🔜 Coming soon | Safe read-only analysis before making changes |
| 05 | Custom Slash Commands | 🔜 Coming soon | Building reusable prompt shortcuts with .claude/commands/ |
| 06 | Skills | 🔜 Coming soon | Advanced reusable workflows with supporting files |
| 07 | Sub Agents | 🔜 Coming soon | Spawning specialized workers to protect main context |
| 08 | Claude + MCP | ✅ Done | MCP protocol, SQLite + Figma + GitHub integrations |
Claude Code is Anthropic's CLI tool that brings Claude directly into your terminal and IDE. It goes beyond chat — it can read, write, and execute code across your entire codebase, run shell commands, manage git, and connect to external services.
# Install
npm install -g @anthropic-ai/claude-code
# Start a session
claudeEach topic folder contains a single notes.md file with:
npm install -g @anthropic-ai/claude-codeANTHROPIC_API_KEY)Built to document and share learnings about Claude Code.
~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.