ReAct Loop
Understand the Thought → Action → Observation cycle that powers every agent
Build AI Agent from ScratchA General-Purpose Agent Runtime in Python
26 chapters · Pure Python · Every chapter runnable · From zero to production
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Tool System
Build a universal tool registry — add capabilities without touching the core loop
Memory & RAG
Short-term, long-term, and semantic memory with vector search
Multi-Agent
Orchestrator-Worker patterns, sub-agents, and planning
Safety & Sandbox
Prompt injection defense, Docker isolation, approval workflows
Production
Evals, observability, deployment, and specialization patterns