SWE-Doctor: AI Agent That Repairs Bugs with Runtime Diagnosis

Discover how SWE-Doctor, an AI agent, uses multifaceted tests and runtime diagnosis to successfully repair bugs. Achieves 75% rates on SWE-bench. Read

jueves, 2 de julio de 2026 • 2 min read • Q2BSTUDIO Team

Multifaceted tests improve bug resolution

Automated software error resolution has taken a significant step forward with the arrival of artificial intelligence agents capable of autonomously diagnosing and repairing bugs. Recent research has shown that, although failure reproduction tests are useful for validating patches, their direct application in generating fixes can be counterproductive: some focus on partial symptoms while others induce errors. Faced with this limitation, a more robust approach has emerged based on runtime diagnostics that consider multiple facets of expected behavior. This new paradigm, implemented in the SWE-Doctor agent, executes and debugs a diverse set of tests to build a detailed error map, and then uses that contextual information to guide patch creation. The key lies in moving from static validation to a dynamic and multifaceted diagnosis that significantly reduces incomplete patches.

In the business context, having AI agents that automate bug fixing not only accelerates development cycles but also improves the quality of the custom software we offer our clients. At Q2BSTUDIO, we understand that code robustness is critical for custom applications, and technologies like these allow us to integrate artificial intelligence into our quality assurance processes. Additionally, we combine these advances with AWS and Azure cloud services to deploy scalable testing environments, and with cybersecurity solutions that protect data during diagnosis. Our team also applies business intelligence techniques, such as Power BI, to monitor error evolution and prioritize fixes based on impact.

The incorporation of specialized AI agents for software repair represents a natural evolution towards more autonomous development environments. By adopting a runtime diagnosis approach, companies can move from correcting symptoms to solving root causes, minimizing regressions and improving the reliability of the final product. At Q2BSTUDIO, we combine these capabilities with our experience in AI for businesses, offering solutions that range from early anomaly detection to automated patch generation. The future of software development lies in the collaboration between human teams and intelligent agents, and we are prepared to lead that transformation.

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