The Skillshelf blog
Guides to installing, using and writing skills for Claude, and the skills worth trying for school, work and code.
- Claude skills vs. projects vs. instructions: which should you use?Instructions, Projects, memory and skills all shape how Claude answers. What each one does, when it applies, and which to use for what.
- How to install a skill in Claude (claude.ai and Claude Code)Upload the .zip on claude.ai, or unzip it into ~/.claude/skills for Claude Code. Step by step, with fixes for the errors people run into.
- How to write your own Claude skill, step by stepTurn instructions you keep repeating into a skill. The SKILL.md format, a description Claude picks up, and how to test it, with a real skill as the example.
- The best Claude skills for developers (all free)Eleven free Claude skills for code review, tests, debugging, commits, PRs, SQL and regex, and how to share them with your team in Claude Code.
- The best Claude skills for students (all free)Twelve free Claude skills for studying, writing and labs, built to help you learn rather than do the work for you. What each one does, and what it won't.
- The best Claude skills for your job search (all free)Seven free Claude skills for resumes, cover letters, recruiter emails, interviews and LinkedIn. Each one works from your real experience and never makes it up.