AHands-on reviewedEditor's pick
Anthropic
Claude Code official course (Anthropic)
For: Engineers using Claude Code as their primary AI coding assistant
Intermediate · ~3-4 hours · Free
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For: Engineers using Claude Code as their primary AI coding assistant
For: Developers building production AI agents in 2026
For: Engineers committed to LangGraph for production agents
For: Engineers who have used the OpenAI API but never built an agent loop
For: Engineers shipping LLM features in production who lack eval infrastructure
For: Engineers building production MCP servers for internal tools
For: Engineers whose basic RAG works in dev but fails in prod
For: Engineers whose basic RAG works in dev but fails in prod
For: Working developers wanting to learn the 2026-grade AI coding workflow