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In Part 6 of Zero to Claude Certified Architect, we make Agent SDK hooks practical. This video covers Task 1.5 — Apply Agent SDK hooks for tool call interception and data normalization — the final piece of Domain 1: Agentic Architecture & Orchestration. Domain 1 carries 27% of your total exam score. Parts 2–6 together cover the entire orchestration lifecycle — from single-agent loops to multi-agent coordination to enforcement patterns to production-ready hooks. In this video you'll learn: ✅ Why multiple backend tools return wildly different data formats ✅ PostToolUse hooks — normalizing timestamps, status codes, and dates before Claude sees them ✅ PreToolUse hooks — blocking policy-violating tool calls and redirecting to safe alternatives ✅ Hooks vs prompts — deterministic (0% failure) vs probabilistic (1–5% failure) ✅ The decision framework: when to use hooks vs prompts ✅ Multi-tool pipeline scenario — normalizing data from 3 different backends ✅ 5 anti-patterns the exam actively tests (with correct alternatives) ✅ 7 exam takeaways to memorize before test day 🎯 Exam Coverage: → Domain 1: Agentic Architecture & Orchestration — 27% of exam score → Task 1.5: Apply Agent SDK hooks for tool call interception and data normalization → Completes the full Domain 1 arc: Tasks 1.1 → 1.2 → 1.3 → 1.4 → 1.5 This series is designed for complete beginners. No prior Claude experience required. Every concept is built from first principles with clear analogies and exam-focused takeaways. ⏱️ Timestamps: 0:00 — Quick Recap: Part 5 Enforcement Patterns 0:40 — Mission Overview: Task 1.5 1:18 — The Inconsistent Data Problem 1:58 — What Is Data Normalization? 2:36 — Why Not Just Use Prompts? 3:11 — PostToolUse Hook Flow 3:51 — PostToolUse Code Walkthrough 4:31 — PreToolUse Hook Flow 5:09 — PreToolUse Code Walkthrough 5:47 — Policy Block Walkthrough 6:25 — Hooks vs Prompts Comparison 7:05 — Decision Framework 7:40 — Multi-Tool Pipeline Scenario 8:22 — 5 Anti-Patterns 9:04 — 7 Exam Takeaways 9:46 — Domain 1 Complete + What's Next 🔗 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: Domain 1, Task 1.2 ▶ Part 4 — Subagent Configuration & Context Passing: Domain 1, Task 1.3 ▶ Part 5 — Multi-Step Workflows & Enforcement: Domain 1, Task 1.4 ▶ Part 6 — SDK Hooks & Data Normalization (this video) ▶ Part 7 — Tool Design & MCP Integration (coming next) Keywords: Claude Agent SDK hooks, PostToolUse PreToolUse hooks, data normalization AI agents, tool call interception, hooks vs prompts Claude, deterministic compliance AI, Claude certified architect exam, domain 1 task 1.5, agentic architecture exam prep, Anthropic certification study guide, policy enforcement hooks, multi-tool data pipeline, production-safe AI agents, hook anti-patterns exam #ClaudeCertified #AnthropicAI #ClaudeAgentSDK #AgentHooks #DataNormalization #AIArchitecture #AIcertification #agenticAI #claudeAPI #techcertification #studyguide
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