Claude Code Handbook
Comprehensive guide for writing professional Claude Standard prompts with MCP, Skills, and Superpowers integration. Official Anthropic best practices for Claude 4.x models.
Install
git clone https://github.com/ThamJiaHe/claude-code-handbookInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →This repository is automatically kept up to date. Every week, an AI agent researches the latest Claude, Anthropic, MCP, and AI news — then opens a PR with updates across all guides, skills, and templates. I review and merge it manually. You're always reading current information.
This repo runs on API credits — every coffee keeps it alive and updated. Perplexity + Anthropic APIs power the weekly research agent that keeps every guide current. If this guide saved you time, a coffee goes a long way.
Select Your Language:
ClaudeForge is the companion web app for this guide — it takes everything documented here and puts it into action. Describe what you need in plain English, pick your AI provider, and get a polished, model-optimized prompt in seconds.
7 AI Providers · 5 Prompt Targets · 9 Output Formats · Local LLM Support · BYOK
Full Feature List (click to expand)
| What You Get | Details |
|---|---|
| 7 AI Providers | Anthropic Claude, OpenAI, Google Gemini, OpenRouter, Ollama, LM Studio, Custom |
| 5 Prompt Targets | Claude, GPT, Gemini, Llama, Universal — each optimized for its model family |
| 9 Output Formats | XML (Anthropic), TOON, Harness, Markdown, Plain Text, JSON, YAML, Claude.md, System+User Split |
| Instant Format Switching | Switch between all 9 formats client-side — no regeneration needed |
| Extended Thinking | Toggle on/off with configurable effort levels |
| Skill Suggestions | Get relevant Claude Code plugin recommendations for your prompt |
| Prompt History | Browse, search, filter, and favorite past generations |
| BYOK | Bring Your Own Key — API keys stay in your browser, never touch our servers |
| Local LLM Support | Use Ollama or LM Studio with no API key required |
Supported Models (click to expand)
| Provider | Models |
|---|---|
| Anthropic | Claude Opus 4.6, Sonnet 4.6, Haiku 4.5 |
| OpenAI | GPT-4o, GPT-4o Mini, o3-mini |
| Google Gemini | Gemini 2.5 Pro, Gemini 2.5 Flash |
| OpenRouter | Auto (Best Available), Claude Sonnet 4, GPT-4o |
| Ollama | Llama 3.3, Qwen 2.5, + any custom model |
| LM Studio | Any loaded model |
| Custom | Any OpenAI-compatible endpoint |
Self-Host It
git clone https://github.com/ThamJiaHe/claudeforge.git
cd claudeforge && npm install && npm run dev
Tech Stack: Next.js 16 · React 19 · Tailwind CSS v4 · shadcn/ui · Zustand 5 · Supabase · Shiki · Framer Motion
Claude Prompt Engineering Guide
The definitive guide to Claude prompt engineering and Claude Code mastery for Opus 4.6, Sonnet 4.6, and Haiku 4.5 — covering Skills, Plugins, MCP, Hooks, Agent Teams, Subagents, Ultrathink, and 100+ curated skills. Updated for March 2026 with Claude Code v2.1.83.
March 2026 Update
Last Updated: 26 March 2026 | Claude Code v2.1.83 | 220+ verified sources
What's New
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