Nybble™
SnackStackHack
Loop Engineering and Agent Harnesses

Lesson 7 of 14

Lessons

  1. 1. What Is a Harness
  2. 2. The Inner Agentic Loop
  3. 3. Context Management at Scale
  4. 4. Turn-Based and Goal-Based Loops
  5. 5. Time-based and proactive loops
  6. 6. Evaluation-driven iteration
  7. 7. Subagent architecture
  8. 8. Dynamic workflows and fan-out
  9. 9. State persistence and session management
  10. 10. Circuit Breakers and Safety
  11. 11. Building with the Claude Agent SDK
  12. 12. Custom Harness from Scratch
  13. 13. Harness Evaluation and Optimization
  14. 14. Capstone — a Loop-Engineered Agent
  15. Key takeaways
  16. How to get certified
  17. Your certificate

Subagent architecture

Free account

Read this lesson

The opening lessons of every course are free — this one needs an account. Sign in and the full course opens.

  • Every lesson, start to finish
  • Progress saved across devices
  • Bits per lesson, plus a bonus for finishing

Free · your email is used for progress only.

Nybble™ — built for the people building AI.

AboutTermsPrivacyContact
SnackStackHack
Message Nybble