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Complete Field Manual

AI Agents, Agentic AI & RAG

A continuous path from agent fundamentals to governed RAG, retrieval evaluation, MCP, multi-agent design, and three executable architecture labs.

Intermediate
About 100 min · 3 labs
47 authored sections

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A useful preview, not a teaser

Read these complete sections to judge the technical depth, teaching style, and architecture standard before buying.

Preview 1

Before You Begin — Five Words, Plain English

If any of these five terms are new, read this first — every section after this assumes you already know them. Backend engineer? Each one also gets a one-line translation into something you already build with.

Preview 2

What Is an AI Agent?

The foundational concept everything else in this tutorial builds on.

Preview 3

Putting It All Together — One Assistant, Start to Finish

Every earlier section explained one stage in isolation. This one runs a single real request through all of them, back to back, reusing the same Leave Policy example that's been threaded through this whole guide — so you can watch the pieces actually connect.

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Complete curriculum

47 sections · 4 parts + capstone

Course orientation

  1. Before You BeginFree

Part 1 · Agents & Architecture

  1. What Is an AI Agent?Free
  2. Prompt EngineeringCourse Pass
  3. Workflow vs AI AgentCourse Pass
  4. LLM · Agent · Agentic AICourse Pass
  5. Coding Agents (Cline/Codex)Course Pass
  6. The Agent VocabularyCourse Pass
  7. Runaway Agents & StreamingCourse Pass
  8. Design PatternsCourse Pass
  9. Single vs Multi-AgentCourse Pass
  10. Three Types of ParallelismCourse Pass
  11. MCPCourse Pass

Part 2 · RAG Foundations

  1. What Is RAG?Course Pass
  2. RAG vs Fine-TuningCourse Pass
  3. Why RAG BreaksCourse Pass
  4. Keyword Search & BM25Course Pass
  5. Naive → Agentic RAGCourse Pass

Part 3 · Ingestion & Chunking

  1. The Big MisconceptionCourse Pass
  2. Two Phases of RAGCourse Pass
  3. Building a Knowledge BaseCourse Pass
  4. Chunking StrategiesCourse Pass
  5. What Gets StoredCourse Pass
  6. The Agent in ActionCourse Pass
  7. Still Need Chunking?Course Pass
  8. Production Retrieval SystemCourse Pass
  9. Chunking Maturity ModelCourse Pass
  10. Chunking by Doc TypeCourse Pass
  11. Choosing a Chunking StrategyCourse Pass
  12. Who Does WhatCourse Pass
  13. Spring Boot DesignCourse Pass
  14. How Text Becomes a VectorCourse Pass
  15. Embeddings & CosineCourse Pass
  16. Semantic Chunking InternalsCourse Pass

Part 4 · Query Time · Retrieval & Generation

  1. Query TransformationCourse Pass
  2. Hybrid RetrievalCourse Pass
  3. RerankingCourse Pass
  4. Grounded GenerationCourse Pass
  5. Evaluation & ObservabilityCourse Pass
  6. Vector DB & HardeningCourse Pass

Capstone

  1. Putting It All TogetherFree

Applied Engineering

  1. Production BlueprintCourse Pass
  2. Runnable Lab StudioCourse Pass
  3. Release ReviewCourse Pass

Wrap-up

  1. Learning RoadmapCourse Pass
  2. RecapCourse Pass
  3. Glossary & Cheat SheetCourse Pass
  4. ReferencesCourse Pass