# Ex-Google engineer explained AI agent loops, harness, evals in 20 minutes - b...
Canonical: https://social-archive.org/yena/SJN4YDIYWM
Original URL: https://x.com/0xMovez/status/2071214176526049739
Author: Movez
Platform: x
## Content
Ex-Google engineer explained AI agent loops, harness, evals in 20 minutes - better than 500$ courses. trace every run → judge it with an LLM → diagnose → fix → ship. That loop is how agents self-improve over time. Agent loops + memory + harness + evals - thats the stack. Watch it, then save the framework below.