Open Source Series: Building AI Agents from Scratch Without Frameworks

AccomplishedLeg1508 · reddit · 2026-08-27

The author is building an 'AI Agents: Zero → Hero' open-source series designed to explain agents from first principles rather than starting with frameworks. The current curriculum path covers: Agent definition, loops, tools & function calling, building an agent, state/memory, context engineering, runtime/harness, multi-agent systems, evaluation, safety, and production agents. Early modules use plain Python to reveal the underlying mechanisms.

Related event: Open-Source Tutorial Series Teaches Building AI Agents from Scratch(2 posts)→

Original post →

More from coding & agent

coding & agent channel →