1
Anthropic's Free Course Library
anthropic.skilljar.com
Completely Free
Official Anthropic
Start Here
Anthropic built free courses to teach you how to use their own AI. No excuse not to learn. Covers everything from basic prompting to building MCP servers and advanced agent workflows. No account required for most courses — just go and start.
Courses available
- ✓ Intro to Claude — basics, prompting, use cases
- ✓ Introduction to Model Context Protocol (MCP)
- ✓ MCP Advanced Topics — notifications, transports, sampling
- ✓ Claude Certified Architect prep courses (13 free modules)
- ✓ Building with Claude API — tool use, streaming, batching
Go to courses
anthropic.skilljar.com
2
Anthropic's Official Skills Library
github.com/anthropics/claude-code
Free
Built by Anthropic
Skills are like cheat codes you plug into Claude Code. They teach Claude how to do specific things dramatically better — design, documents, video, marketing, coding. Install them once, they work automatically forever. This is the official Anthropic library — not third party.
Official skills available
- ✓ Frontend Design — 277K installs, stops generic AI look
- ✓ PDF Skill — read, edit, create, fill PDFs in plain English
- ✓ PowerPoint Skill — build full decks from a description
- ✓ Word Document Skill — edit any .docx in plain English
- ✓ Canvas Design — turns text into social graphics and visuals
Browse official skills
github.com/anthropics/claude-code/tree/main/plugins
3
Awesome Claude Code Subagents
github.com/VoltAgent/awesome-claude-code-subagents
Free
Community Built
100+ agents
Subagents are specialized AI helpers that give Claude Code new abilities for specific tasks. Think of them like apps you install — each one is a domain expert Claude can call on. This collection has 100+ covering every use case from code review to business analysis.
What subagents can do
- ✓ Code reviewer — reviews PRs for style, security, test coverage
- ✓ Security auditor — finds vulnerabilities in your codebase
- ✓ Documentation writer — generates full docs from code
- ✓ Business analyst — breaks down problems and gives recommendations
- ✓ Full stack developer — builds features across front and backend
Install with one command
git clone https://github.com/VoltAgent/awesome-claude-code-subagents.git ~/.claude/agents/
Browse all 100+ subagents
github.com/VoltAgent/awesome-claude-code-subagents
7 more you should know.
These are the bonus resources most people don't know exist. All free, all genuinely useful.
Awesome Claude Code
hesreallyhim · GitHub · Updated daily
Hand-picked collection of the best Claude Code skills, agents, plugins, and tools. Updated constantly. The most comprehensive single resource for Claude Code users.
AwesomeClaude.ai
Community · awesomeclaude.ai
Browse 69,000+ Claude skills by category with a search engine. The easiest way to find a skill for any specific task without digging through GitHub.
Marketing Skills by Corey Haines
coreyhaines31 · GitHub · 28K stars
40 marketing skills in one install — SEO audits, copywriting, email sequences, CRO, social content. The most starred marketing resource in the Claude ecosystem.
Claude Code Guide
zebbern · GitHub · 2.3K stars
A practical guide with clear mental models and copy-paste examples — setup, prompt engineering, slash commands, skills, hooks, subagents, and MCP servers. Beginner to power user.
Karpathy Skills
multica-ai · GitHub · Based on Andrej Karpathy
Skills distilled from Andrej Karpathy's public notes on LLM coding pitfalls. Stops Claude from over-engineering, making silent wrong assumptions, or touching code it shouldn't.
Awesome Claude Agents
rahulvrane · GitHub · Community curated
Another curated collection of Claude Code agents with install commands for multiple packs — 100+ mega collection, 48 production-ready agents, 26-agent AI development team.
Claude Certified Architect
Anthropic · Free right now · Deloitte required
The AI certification Deloitte, Accenture, and IBM require their employees to get. Free right now. 60 questions, 2 hours, proctored. Start at partnerporto.anthropic.com.