Claude Hub
Every Claude guide I've tested and published: Code workflows, Cowork setups, Skills tutorials, CLAUDE.md files. Real prompts, real failures, nothing theoretical.
Last updated: March 2026
Tested guides. Real prompts. Documented failures. This is everything I’ve published about Claude on Product with Attitude — organized so you can find what you need and skip what you don’t.
Claude is also the #1 AI app on Apple’s U.S. App Store right now, which means a lot of people are about to need these guides.
👉 New to Claude? Start with the Chat vs Cowork vs Code section right below.
Table of Contents
Claude Cowork vs Chat vs Code: Which One Do You Need?
Claude Cowork
Claude Code
Claude Skills
CLAUDE.md and Rules Files
Claude in Comparisons
Claude in Builder Stories
Cross-Tool Resources That Feature Claude
About This Library
Claude Cowork vs Chat vs Code: Which One Do You Need?
Overview
Claude is Anthropic's AI assistant. Chat, Cowork and Code are three ways to use it.
Chat - for questions.
Chat handles conversations, artifacts, and quick answers. No file access, no sub-agents, no plugins.
Cowork - for workflows.
Cowork handles autonomous knowledge work: it plans tasks, spawns parallel sub-agents, reads and writes real files in a sandboxed environment.
Code - for code.
Code CLI offers the same power as Cowork with direct filesystem access and project-scoped config.
Claude Cowork
Cowork Connectors
In this article I’m walking you through how I set up my Cowork-Notion Connector to be the latter and share 10+ impactful tips you might not have heard of before.
Read the full story: How I turned Notion into Claude’s persistent memory, and 10+ connector tips most guides skip.
Anthropic shipped Cowork in 10 days using its own AI.
In this article, I introduced Cowork for the first time, broke down the product decisions behind it and what it means for knowledge workers. I
Read the full story: Anthropic Shipped Cowork in 10 Days Using Its Own AI. Here’s Why That Changes Everything.
Claude Code
How Boris Cherny uses Claude Code
Boris built Claude Code itself. His workflow shows how to use Claude Code as a real development tool, not a toy. It includes nine practices that separate productive AI-assisted development from prompt-and-pray.
Read the full story: How Boris Cherny, Builder of Claude Code, Uses It, And Why That Should Change How You Think About AI
Claude Skills
What Are Claude Skills And How to Build Them
Claude Skills are reusable markdown instruction files that turn Claude from a general assistant into a specialized agent for your exact workflow. The post includes a step-by-step creation guide, a curated list of community skill repositories, and three ready-to-copy skills I built in under 90 minutes.
Read the full story: Claude Skills Are Taking the AI Community by Storm
Alt Text For The AIO Era
This one is really about SEO/AIO, not just Claude, but the Claude Skill inside it is the practical payoff. Google's AI Overviews now parse alt text as a semantic unit alongside the image. New rules: 125–200 characters, entity-rich, describe purpose not appearance. The post includes a ready-to-copy Skill that generates optimized alt text and filenames automatically.
Read the full story: https://karozieminski.substack.com/p/claude-skill-seo-alt-text-generator
n8n AI Agent Builder
In this article, I explain how to build production-grade n8n AI agent workflows without manual JSON editing. Includes a prompt that generates fully importable n8n workflow JSON from plain-language descriptions.
Read the full story: n8n AI Agent Builder for Claude Code
CLAUDE.md and Rules Files
The rules file you need before starting any vibe coding project
Rules files encode conventions, guardrails, and product context so your AI stops improvising. The Agent Rules Generator prompt outputs platform-specific files for Replit, Cursor, Gemini, and Claude in one session, with build-now vs. build-later splits and plain-language explanations for every rule.
Read the full story: If You Build With AI, You Need This File. And The System That Generates It.
Claude in Comparisons
Perplexity Computer vs Claude Cowork vs OpenClaw
Perplexity Computer orchestrates 19+ frontier models (including Claude Opus 4.6 for reasoning) from a single prompt. The review includes head-to-head comparisons with Claude Cowork and OpenClaw.
Read the full story: Perplexity Computer: What I Built in One Night]
Claude vs ChatGPT vs Gemini: Who wins in a blind test?
An article co-authored with Daria Cupareanu. 111 votes across 8 rounds. Three models. Zero brand labels. Claude won four of eight rounds (Poet, Simplifier, Wordsmith, Wise One), often by wide margins. 71% chose Claude as the best simplifier, the highest single-round score in the experiment.
Claude in Builder Stories
The time Claude said "don't" and the builder ignored it.
A real case study in trusting your product judgment over AI advice. I documented every moment Claude suggested removing features, and Karen Spinner overruled it. Nobody else publishes these stories because they make the AI look fallible. That's exactly why I did.
Read the full story: I Refuse To Let The AI Decide What My Users Need
Cross-Tool Resources That Feature Claude
The Ultimate Vibecoding Guide
A 16-step roadmap for building production-ready apps with AI, co-authored with Karen Spinner.
Claude is one of the primary tools alongside Replit, Cursor, and ChatGPT. Covers mindset, validation, debugging, testing, and cost control.
Read the full story: The Ultimate Vibecoding Guide From Builders Who’ve Shipped
10 Tools for running a bestselling Substack in 2026
Claude Code and Cowork are the backbone of my daily workflow. This post shows exactly how they fit alongside Perplexity, Recraft, and the rest.
Read the full story: 10 Tools I Use To Run A Bestselling Substack Publication in 2026
Self-Improving Prompt System
A Prompt Builder paired with a Prompt Evaluator that scores against a 35-criteria rubric. Works across ChatGPT, Claude, Gemini, and any LLM that accepts structured instructions.
Read the full story: The Self-Improving Prompt System That Gets Smarter With Every Use]
About This Library
Who is this for?
Anyone who uses Claude for real work: writers, PMs, builders, creators, knowledge workers. If you’re here, you’ll find something useful.
How is this different from Anthropic’s documentation?
Anthropic explains what Claude can do. I show what works: the prompts, the failures, the workarounds they left out. I broke three workflows following the official docs before figuring out what was missing. That's why these guides exist.





