Agent Design is Shifting From Loops to Graphs
Spiritual_Heron_5680 · reddit · 2026-07-20
This post discusses the debate between "loops" and "graphs" in AI agent design. Many agents still rely on a single feedback loop—setting a metric, observing, adjusting, and repeating. While effective short-term, this approach often leads to Goodhart's Law, where the metric becomes the target itself, resulting in inflated numbers but degraded real-world performance. The author argues that the next step is to design agents using a "cyclic graph" structure: - A fast loop dedicated to optimization - A slow loop verifying if the optimization is genuinely effective - Counter-metrics to catch gamified indicators - Real-world anchors within the system, such as revenue, retention, and actual user behavior The author also warns that even with a cyclic graph, the system can still deceive itself if all loops only read internal data. The true key is integrating unforgeable real-world signals.
Related event: AI Agent Architecture Shifts from Loops to Graphs(3 posts)→
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