Harness Engineering
Agents & Tool Use
Wrapping a model in a loop that can act on the world.
You can jump straight in, but this star assumes The Model Landscape. Not recommended as a first stop.
Four layers of depth
Each layer ends with a quiz. Finish layer 4 and you own this concept.
- L1IntuitionWhat an LLM agent is, why tools turn a text predictor into something that can act, and the buzzwords decoded.5m
40 XP - L2MechanicsThe mechanics of the agent loop: tool schemas, the ReAct trace, memory, and how the loop terminates.8m
70 XP - L3CodeImplement a minimal tool-calling agent loop: schema definition, dispatch, and the observe-act cycle.12m
110 XP - L4FoundationsReliability as a formal object: compounding step error, planning as search, and evaluating agents statistically.15m
180 XP
33 stars in the atlas.