9 free skills and plug-ins that make Claude Code, Codex, and other AI coding agents dramatically more useful, and yes, all of them are free.
Skills and plug-ins are reusable instruction files that give your AI agent a repeatable behavior instead of starting from scratch every time. In this video I break down 9 of my favorites, install them live, and put several of them head to head so you can see exactly what changes.
I cover GStack (turns Claude Code into a full virtual engineering team), Stop Slop (strips AI tells out of your writing), Graphify (turns any codebase or knowledge base into a queryable graph your agent can use as memory), Understand Anything (visual onboarding maps for any codebase), Last 30 Days (real time sentiment research across Reddit, X, YouTube, and more), Anthropic’s Front End Design skill and the Taste skill (head to head design tests), and ReMotion vs HyperFrames (AI generated animations from a single prompt).
Every skill works across Claude Code, Codex, Cursor, OpenClaw, Hermes, VS Code, and GitHub Copilot. Links to every single one below.
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Skills and plug-ins mentioned:
GStack: https://github.com/garrytan/gstack
Stop Slop: https://github.com/hardikpandya/stop-slop
Graphify: https://github.com/safishamsi/graphify
Understand Anything: https://github.com/Egonex-AI/Understand-Anything
Last 30 Days: https://github.com/mvanhorn/last30days-skill
Front End Design (Anthropic): https://www.skills.sh/anthropics/skills/frontend-design
Taste Skill: https://github.com/Leonxlnx/taste-skill
ReMotion: https://github.com/remotion-dev/remotion
HyperFrames: https://github.com/heygen-com/hyperframes
If you want more breakdowns like this, let me know in the comments and I’ll keep them coming.
Let’s work together!
– Brand, sponsorship & business inquiries: mattwolfe@smoothmedia.co
Timestamps:
00:00 Why Skills Matter
01:05 Skills vs Plugins Explained
02:45 GStack: Your AI Engineering Team
08:14 Stop Slop: Cleaner AI Writing
09:25 Graphify: Knowledge Graphs as Memory
14:14 Understand Anything: Visual Code Maps
17:55 Newsletter Quick Plug
18:39 Last 30 Days: Real Time Sentiment Research
20:55 Front End Design vs. Taste Skill
24:46 Animation Showdown: ReMotion vs. HyperFrames
28:07 Final Thoughts and Outro
#ClaudeCode #AIAgents #FreeAITools