Microsoft Releases AI Agent Governance Skill for Developers
In a billing-support test cited by Microsoft, the tool cut a 30% data exposure rate to 5.9% after runtime policies were applied.
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Microsoft has introduced a skill called run-assert-eval that is meant to help developers test and govern AI agents, Small Business Trends reported on October 14, 2026.
The skill builds on Microsoft's earlier ASSERT framework and Agent Control Specification, which were built to apply policies to AI systems. According to the report, run-assert-eval runs from a single prompt in Visual Studio Code, identifies risks tied to a given agent, measures how often the agent fails and generates runtime policies based on what it finds. It also checks whether a fix actually worked.
Microsoft cited a billing-support agent that showed a data exposure rate of 30% across a sample set before the skill was applied. After runtime policies were added, the rate fell to 5.9%, according to the company's material.
The approach starts with threat modeling the agent to surface both known and unanticipated failure modes before metrics are collected, the report said. Small Business Trends noted that adopting the workflow still requires technical knowledge and staff training, and that companies putting it in place may face short-term disruption in customer-facing operations while teams learn the system.
This story was first reported by Small Business Trends.
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