May 22
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In Part 3 of Zero to Claude Certified Architect, we scale beyond single-agent loops into full multi-agent systems — the architecture behind every production-grade Claude application that handles complex, multi-step tasks. This topic is Task 1.2 inside Domain 1 (Agentic Architecture & Orchestration), which carries 27% of your total exam score. If you're preparing for the Claude Certified Architect (Foundations) exam, this video covers everything you need to know about coordinator-subagent patterns, hub-and-spoke design, and the exact anti-patterns the exam tests. In this video you'll learn: ✅ Why single agents hit limits and when multi-agent architecture is the answer ✅ The hub-and-spoke pattern: coordinator as center, subagents as spokes ✅ Isolated context — the concept most beginners get wrong (and how to handle it correctly) ✅ The 5 coordinator responsibilities: Decompose → Delegate → Aggregate → Evaluate → Respond ✅ The Task tool: how coordinators spawn subagents using the Claude Agent SDK ✅ Parallel vs. sequential subagent execution — how to choose ✅ Dynamic routing vs. always-on full pipelines ✅ Partitioning work to avoid duplication across parallel subagents ✅ Iterative refinement loops — how coordinators evaluate and re-delegate ✅ Structured handoffs: preserving source attribution when passing data between agents ✅ 5 anti-patterns the exam actively tests (and the correct alternative for each) ✅ 9 exam takeaways you must have locked in before test day 🎯 Exam coverage: → Domain 1: Agentic Architecture & Orchestration — 27% of exam score → Task 1.2: Orchestrate multi-agent systems with coordinator-subagent patterns → Builds directly on Task 1.1 (Agentic Loops) from Part 2 This series is designed for complete beginners. You do not need prior experience with Claude, agentic frameworks, or AI APIs. Every concept is built from first principles with clear analogies and exam-focused takeaways. ⏱️ Timestamps: 0:00 — Quick Recap — Part 2 1:25 — Why Single Agents Hit Limits 2:42 — Hub-and-Spoke Architecture 3:42 — Isolated Context (Critical Concept) 4:32 — The Coordinator’s 5 Responsibilities 5:10 — The Task Tool 6:18 — Parallel vs. Sequential Execution 7:20 — Dynamic Routing vs. Full Pipeline 8:02 — Iterative Refinement Loop 8:45 — Structured Handoffs 9:27 — 5 Anti-Patterns to Avoid 10:43 — 9 Exam Takeaways 12:30 — What’s Next — Part 4 🔗 Complete Series — Zero to Claude Certified Architect: ▶ Part 1 — Exam Blueprint & Study Plan (start here) ▶ Part 2 — Agentic Loops: Domain 1, Task 1.1 ▶ Part 3 — Multi-Agent Coordinator Patterns (this video) ▶ Part 4 — Claude Agent SDK: Subagent Configuration & Context Passing (coming next) In Part 4, we move from conceptual model to actual implementation: the AgentDefinition fields, how context passing works in code, and the exact configuration that maps to exam scenario questions. Keywords: Claude certified architect exam, multi-agent systems tutorial, coordinator agent pattern, hub and spoke AI architecture, Claude Agent SDK tutorial, subagent pattern Claude, agentic AI orchestration, Anthropic certification study guide, Claude certified architect foundations, domain 1 agentic architecture, AI orchestration for beginners, Claude task tool tutorial, multi-agent coordinator exam prep, AI agent SDK Python, anthropic exam 2025 #ClaudeCertified #AnthropicAI #AIArchitecture #MultiAgentSystems #ClaudeAPI #AIEngineering #AIcertification #claudeagentsdk #agenticAI #techcertification #studyguide