Helios: Open-Source AI Agent Observability with Tracing and Cost Monitoring
Helios is a brand-new open-source observability platform purpose-built for AI agents that combines execution tracing, cost analytics, and security monitoring — including PII detection and prompt injection detection — in a single self-hosted stack. Launched on July 22, 2026 under the MIT license, Helios addresses the critical infrastructure gap behind the statistic that 88% of AI agents fail to reach production, offering teams a unified dashboard to understand exactly what their agents are doing, how much they cost, and whether they are safe. ...