QA for your LiveKit agents
You built your pipeline for control. Zelto gives you the QA layer that code-first stacks don't come with: every production conversation graded, every recurring failure clustered into a Finding.
What actually breaks on LiveKit in production
Dashboards show you that calls happened. They don't show you the calls that quietly failed — and those are the ones that cost you customers.
Turn detection and interruption bugs
The agent talks over callers, or leaves dead air after they finish. These are the failures users hate most, and they're invisible in logs. Zelto hears them because it grades the audio, not just the transcript.
Component swaps that regress quality
You switch STT providers or bump the LLM, and something subtle degrades. Zelto grades before and after, so the regression shows up as a Finding tied to the deploy — not as a slow bleed in customer satisfaction.
Tool execution failures the agent papers over
Your function call throws, the LLM improvises an answer anyway. In a code-first stack these failures are yours to catch — Zelto flags every call where the agent asserted something a failed tool never returned.
No QA layer, by design
LiveKit Agents gives you the framework, not the quality process. Teams end up sampling calls by hand. Zelto replaces that: every call graded against a rubric learned from your own traffic.
How Zelto works with LiveKit
Connect
Connect LiveKit natively and Zelto ingests your sessions — audio, transcripts, and metadata — as calls complete. Works with LiveKit Cloud and self-hosted deployments.
Zelto listens and diagnoses
Every production call is graded against a rubric Zelto auto-learns from your traffic — your domain, your language, your definition of a good call. No setup, no scorecard to write.
Findings, with the fix drafted
Calls that fail for the same reason are clustered into one Finding, ranked by volume, with example calls, a drafted prompt fix, Slack alerts, and an optional Linear ticket.
Production traffic, not simulations.
Simulation tools grade synthetic conversations against scenarios you wrote. Zelto grades what actually happened with real callers on your LiveKitagents — because that's where the failures that matter live. Most teams are integrated in under 15 minutes.
Zelto + LiveKit
The questions teams ask before connecting. Answered honestly.
Other integrations
One week. One agent. Ten findings
Connect one production agent. Zelto listens, then walks you through ten findings with severity, examples, and fixes.
Book a demo