Why Developers Don't Trust Code Built by AI Agents

Let Me Start with the Conclusion Because they never instructed the AI Agent to produce trustworthy results. According to Sonar's 2026 State of Code report, based on a survey of over 1,100 enterprise developers, 72% of developers who have tried AI use it every day. Yet 96% don't fully trust that AI-generated code is functionally correct. And only 48% always verify it before committing. They use it every day but don't trust it. They don't trust it, yet more than half don't even verify. The cause of this contradiction is not a lack of capability in the AI Agent. It's because the person giving instructions never followed the process required to produce trustworthy results. How Should You Instruct to Get Trustworthy Results? 1. Your instructions are requirements — refine them together with the AI Agent Most developers instruct their AI Agent like this: "Build me a login feature." This is not a requirement. It's a wish. Instructions are requirements. And requirements don't come out perfect f