● 30 lessons · Eduardo Falcão

30 Days of
Agentic Coding

A structured series on building agent systems — from mental models to production. One lesson per day. Each under 10 minutes.

Week 1: Foundations Week 2: Architecture Week 3: Implementation Week 4: Production
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Week 1Foundations — What Is an Agent?
Day 01
The Agent Mental Model
foundations
Day 02
Tools & Function Calling
foundations
Day 03
Context Window Is RAM
foundations
Day 04
Prompt Engineering for Agents
foundations
Day 05
Memory: How Agents Remember
foundations
Day 06
Planning & Task Decomposition
foundations
Day 07
Week 1 Review + Hands-On
review
Week 2Architecture — Designing Agent Systems
Day 08
Single vs Multi-Agent Systems
architecture
Day 09
Orchestrator/Worker Pattern
architecture
Day 10
Tool Design Principles
architecture
Day 11
Context Management & Compaction
architecture
Day 12
Error Handling & Retries
architecture
Day 13
MCP: Model Context Protocol
architecture
Day 14
Week 2 Review + Hands-On
review
Week 3Implementation — Building Real Agents
Day 15
Building Your First Agent
implementation
Day 16
Code Generation Agents
implementation
Day 17
Debugging Agents
implementation
Day 18
Testing Agentic Systems
implementation
Day 19
RAG for Agents
implementation
Day 20
Agent Security & Safety
implementation
Day 21
Week 3 Review + Hands-On
review
Week 4Production — Advanced & Real-World
Day 22
Observability: Inside Your Agent
production
Day 23
Cost Management & Optimization
production
Day 24
Human-in-the-Loop Patterns
production
Day 25
Long-Running Agents
production
Day 26
Real-World Case Studies
production
Day 27
Evaluating Agent Performance
production
Day 28
Building a Production Agent
production
Day 29
The Future of Agentic Coding
production
Day 30
Your Personal Agent Blueprint
finale