Building 3 AI Agents on a $0 Budget: What I Learned About Tool-Use, RAG, and Code Execution
This story is from 2026-09-07. It is preserved in the archive; the latest stories are on the live feed.
Why I built this I'm a CS graduate preparing for a Data Science/AI master's application, and I wanted to go beyond the usual coursework projects — Kaggle competitions, Coursera certificates — and actually build something that shows I understand how modern AI systems work under the hood, not just ho…
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- 2026-09-07 11:08 · DEV Community — Machine Learning
Building 3 AI Agents on a $0 Budget: What I Learned About Tool-Use, RAG, and Code Execution