blog.cloudflare.com 8/4/2026, 1:10:00 PM · external

Cloudflare adds auto OpenTelemetry tracing to local Worker dev

Cloudflare adds auto OpenTelemetry tracing to local Worker dev
CyberSIXT Evidence Panel Source marked as original reporting

THE article announces the implementation of automatic OpenTelemetry traces in Cloudflare's local development tools (`wrangler dev` and `vite dev`). This enhancement enables coding agents to capture and query traces and logs for local Worker invocations without needing additional installations or configurations. Key features include the Local Explorer API, which provides a browser-based interface for viewing and editing local resource data and telemetry.

The process allows developers to quickly identify and fix issues by querying traces and logs, facilitating a more efficient local debugging workflow. Additionally, it emphasizes that updates to tools like Wrangler and the Cloudflare Vite plugin are necessary for utilizing these new capabilities.

View full article

Article by CyberSIXT