Developer Proposes Production-Grade AI Agent Architecture for .NET Using a Control Harness

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A software developer has published a technical guide on DEV Community outlining a production-ready AI agent architecture built in .NET, arguing that the AI model itself is only one component of a reliable agent system. The architecture introduces a 'harness' that governs identity, policy, execution budgets, and tool access independently of the underlying language model. A core design principle ensures the model can decide what actions to request, but a separate policy layer determines what actions are actually permitted. The approach uses interfaces and records such as AgentIdentity, AgentPolicy, and ExecutionBudget to enforce boundaries and auditability. The guide is intended as a practical implementation companion to a prior architectural argument published on LinkedIn.

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