Microsoft on agentic schedulers: LLM proposes, deterministic code validates

WirelessLife · x · 2026-11-12

A 22-minute Microsoft Developer Community blog post details how the authors engineered an agentic scheduler whose guiding principle is: the agent can propose a schedule, but it shouldn't grade its own work. For a multi-team, shared-facility training problem (4 hours split into 2-hour sessions at least 2 days apart), they avoid asking the model for a finished spreadsheet. Instead the LLM picks candidate dates, inspects free slots via tools, and proposes placements — while deterministic code validates placements and checks the full calendar. The engineering question: give the agent enough freedom to reason while keeping output deterministic, inspectable, and correct.

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