Case Studies
Design a Personal AI Agent
End-to-end system design interview walkthrough. Architecture, memory, planning, tools, safety, and evaluation for an AI personal assistant.
Problem Statement & Requirements
Requirements & Scale Estimation
The Basics
System Architecture & API Gateway
Deep Dive: Request Router
Intent Classification & Entity Extraction
Deep Dive: Memory & Context
Memory Architecture & Context Assembly
Deep Dive: Planning Engine
Planning Engine & Execution Strategies
Deep Dive: Tool Execution
Tool Registry & Execution Engine
Deep Dive: Safety Layer
Guardrails & Confirmation Flows
Deep Dive: Personalization
User Modeling & Preference Learning
Deep Dive: Production Readiness
Testing, Monitoring & Deployment