Developer builds AI agent that diagnoses production outages using live SigNoz data

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A developer created 'Why Did It Break,' an AI-powered root-cause analysis agent built on top of the SigNoz observability platform, submitted for the Agents of SigNoz hackathon in July 2026. The agent allows engineers to ask plain-language questions like 'why is checkout slow?' and autonomously runs live queries against SigNoz telemetry to identify the root cause. It uses six diagnostic tools to inspect service stats, slow spans, error spans, and logs, choosing its own investigation path without any hardcoded query sequence. Every conclusion is backed by a direct link to the actual trace in SigNoz that supports it, and the agent is designed to admit uncertainty rather than fabricate answers. The demo runs against HotROD, a live multi-service app with real performance issues, including a slow MySQL query and intermittent Redis timeouts.

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