Every Claude guide I've tested and published: Code workflows, Cowork setups, Skills tutorials, CLAUDE.md files. Real prompts, real failures, nothing theoretical.
Published: 2026-02-21 | By Karo Zieminski
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. ** [](https://substackcdn.com/image/fetch/$s_!jVAL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa17b1657-2e33-4bc2-b978-23134ab2fb0e_2396x335.
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- Canonical URL: https://karozieminski.substack.com/p/claude-guides-code-cowork-skills-workflows
- isAccessibleForFree: True
- Keywords: Claude, Claude Cowork, AI, Claude Code, Claude Skills, Prompts, Guides, Workflows, Resource Hub, Tutorials
- Publication: Product with Attitude
- Author: Karo Zieminski