Redesigned trace viewer for Vercel Workflows
Vercel just shipped a trace viewer redesign that cuts debugging time for AI workflows — search spans, zoom timelines, step through with keyboard.
Why it matters
Developer experience upgrade for AI workflow builders. Vercel Workflows is positioning itself as infrastructure-for-agents; better observability tools reduce friction in the build-deploy-debug cycle for teams shipping AI applications.
The key facts
8 to knowRedesigned trace viewer for Vercel Workflows and Workflow SDK
Features: cross-span search, timeline zoom, keyboard navigation, step-level inspection (inputs, outputs, metadata)
Available locally via npx workflow@beta web for development-time debugging
Published June 23, 2026
Features: search across spans, timeline zoom, keyboard step-through, click-through to inputs/outputs/metadata
Local inspection available via 'npx workflow@beta web'
Targets developer experience during development and production runs
Positioned as observability for AI workflow debugging
Go to the source
Vercel Blogvercel.com
Publisher excerpt: The trace viewer for and has been redesigned to better support inspecting runs from start to finish. Search across spans, zoom into any section of the timeline, and step through with the keyboard to find what you're looking for fast, then click into any step to see its inputs, outputs, and run…