# Patterns
All Patterns notes →01 — LLM System Patterns
RAG, Multi-Agent, Tool Calling, Planner-Executor, Reflection, and Memory — the pattern vocabulary for composing LLM calls into a system, at the design layer above any single framework.
patterns ai-patterns book maang-prep
02 — AI Infrastructure Patterns
Model Routing, Prompt Chaining, Guardrails, Human-in-the-Loop, and Evaluation Pipelines — the operational scaffolding that makes an LLM system reliable enough to run in production.
patterns ai-patterns book maang-prep