This One Thing Makes Agents Actually Function #agentic #designsystems

24 Apr 2026 · 1 min

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In this brief segment, the speaker argues that integrating a design system together with explicit test criteria and verification processes allows software agents to operate with far less manual supervision. By codifying UI components—so they function reliably when intelligently composed—agents can be directed to assemble functionality like building with Legos, following a clear instruction set, rather than being left to guess from a chaotic, unstructured set of possibilities (the "mixed bin"). This structured approach replaces the need for ad‑hoc checks such as "did the menu work correctly?" and provides agents with deterministic building blocks that ensure correct behavior out of the box.

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adding this design system in addition to test criteria and verification can really help the agent not need as much handholding and not need you to say, hey, did the menu work correctly? Because the components are already codified, like Dan said, to a spot where they're going to work if they're composed in an intelligent way. So directing the agents at Legos that it can put together with an instruction set versus just Hey, here's a bin of mixed mashed colors. Good luck, which is, I think, kind of their training data by default. You really need to give them that instruction set.