What Are Claude Skills? How to Make Claude an Expert in Any Domain
Learn what Claude Skills are, how they work with Claude Code, where to put skill files, and how to use them to make AI an expert in any domain or workflow.
Apr 10, 2026 · 6 min read · claude skills
What Are MCP Servers? How to Connect Claude to Your Real Tools (2026)
Learn what MCP (Model Context Protocol) servers are, how they connect Claude to databases, APIs, and tools, and how to set them up in 2026.
Apr 10, 2026 · 6 min read · mcp
What Is Claude Artifacts? Interactive Outputs Explained
Learn what Claude Artifacts are, what types of content they produce, when to use them, and how they make Claude's outputs interactive and visual.
Apr 10, 2026 · 6 min read · claude artifacts
What Is Claude Code? A Complete Beginner's Guide (2026)
Learn what Claude Code is, how it works in your terminal, how it differs from claude.ai, and how to install it. A plain-English beginner's guide for 2026.
Apr 10, 2026 · 7 min read · claude code
What Is a CLAUDE.md File? The Complete Guide to Project Instructions
Learn what a CLAUDE.md file is, why it matters for Claude Code, and how to write one that makes AI understand your project's conventions and architecture.
Apr 10, 2026 · 6 min read · claude code
The 15 Best Claude Prompt Prefixes in 2026 (Tested and Ranked)
The 15 Claude prompt prefixes that actually make a measurable difference in output quality. Ranked by usefulness, with examples for each. Tested over 3 months on Opus and Sonnet.
Apr 9, 2026 · 6 min read · claude
Claude Cheat Codes — The Complete Guide to Every Working Prompt Prefix (2026)
Every Claude "cheat code" that actually works in 2026. 120 community-discovered prompt prefixes tested over 3 months, organized by category, with examples. The definitive reference.
Apr 9, 2026 · 5 min read · claude
Claude Mythos: The AI Model So Dangerous Anthropic Won't Release It (What We Know)
Claude Mythos broke out of its sandbox during testing. It finds real vulnerabilities in real software. Anthropic locked it down. Here's everything we know — capabilities, restrictions, and when you might get access.
Apr 9, 2026 · 5 min read · claude
The One Claude Command That Makes AI Writing Undetectable
/ghost strips every AI tell from your writing: em-dashes, 'I hope this helps', balanced sentences, hedging. The output reads like a tired human typed it at 11pm. Before and after examples inside.
Apr 9, 2026 · 6 min read · claude
PERSONA Claude Prompt — The Full Guide (Why Specific Personas Beat Generic Ones)
PERSONA is one of the most powerful Claude prompt prefixes — but only if you use it right. Generic personas barely work. Specific ones with real biases produce wildly better answers. Here's how.
Apr 9, 2026 · 6 min read · claude
/skeptic Claude Prompt — How to Make Claude Challenge Your Question First
/skeptic is a Claude prompt prefix that catches the wrong-question problem before you waste time on the wrong answer. Claude challenges your premise instead of answering. Here's how it works and when to use it.
Apr 9, 2026 · 8 min read · claude
ULTRATHINK Claude Prompt — Maximum Reasoning Depth, Zero Hedging
ULTRATHINK is the most powerful reasoning prefix for Claude — deeper than L99, longer answers, zero hedging. Here's when to use it, when it's overkill, and how it stacks with other prefixes.
Apr 9, 2026 · 6 min read · claude
7 Hidden Claude Prompts That Actually Work (Tested in 2026)
Most 'secret Claude prompts' on the internet are made up. We tested 50+ and found 7 that genuinely change how Claude responds. Here they are with real before/after examples.
Apr 8, 2026 · 4 min read · claude
Complete List of Claude Code Slash Commands (2026 Edition)
Every Claude Code slash command in one place — built-in commands, hidden ones, and the secret prompt codes that work like commands. Updated for 2026 with examples for each.
Apr 8, 2026 · 4 min read · claude-code
Claude L99 vs OODA vs ARTIFACTS: Tested on 24 Tasks (Pick Guide)
We ran L99, OODA, and ARTIFACTS through 24 identical prompts. L99 wins for hard architectural calls, OODA for time-pressure decisions, ARTIFACTS for multi-output tasks. Pick guide with examples inside.
Apr 8, 2026 · 5 min read · claude
The Claude Command Senior Devs Use That Nobody Talks About (L99)
L99 turns Claude from a quick-answer machine into a senior engineer. Same model, dramatically different depth. Here's what it does, when to use it, and why most people don't know it exists.
Apr 7, 2026 · 9 min read · claude
OpenClaude Is Live. Here Is Why That Makes the Cheat Sheet More Useful, Not Less.
OpenClaude is an open-source coding agent CLI that runs against OpenAI, Gemini, DeepSeek, or local models. Honest look at what it does well, where it falls short vs Claude Code, and why prompt patterns matter more than which model you point at.
Apr 6, 2026 · 6 min read · openclaude
I Tested 100 Claude Secret Codes. Only 5 Actually Changed the Output.
I ran 120 Claude prompt codes through a testing harness. 70% are pure formatting tricks. Roughly 5 shift the actual reasoning. Full list with honest verdicts.
Mar 28, 2026 · 5 min read · claude
10 Best Claude Code Agents in 2026 (Free Download)
Complete guide to the 10 autonomous AI agents for Claude Code. PR review, test writing, security audit, bug fixing, and more. All free to download and use.
Mar 28, 2026 · 2 min read · claude-code
How to Add Claude Skills — Install Claude Code Skills in 2 Minutes (2026)
How to add Claude skills to Claude Code. Step-by-step guide to installing skills on macOS, Linux, and Windows. 3 methods — download, curl, or git clone. Under 2 minutes.
Mar 26, 2026 · 4 min read · claude-code