Solo Developer Built Open-Source Python Library in Two Weeks Using Dual AI Roles

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A single developer built Omnist, a tested open-source Python library, in two weeks part-time, drawing on a 16-year-old academic paper. Rather than treating AI as a general-purpose coding tool, the developer explicitly assigned it two distinct roles: a Research Assistant for conceptualization and a DevOps agent for materialization. The Research Assistant was encouraged to challenge ideas and push back before any implementation began, while the DevOps agent focused strictly on turning settled decisions into tested, shippable code. A separate AI agent was tasked solely with verifying changes against the spec and performance targets, never revisiting the reasoning behind design choices. The developer credits this structured role separation — defined upfront, not applied retrospectively — with catching misaligned requests and eliminating the costly handoff gap that typically slows R&D projects.

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