
Stop your agents from failing silently in production
Tessary is an open-source agent reliability platform. It monitors every production trace, detects failures that sampled evals miss, and investigates the root cause with your agent codebase. It runs cheap, narrow classifiers across every trace. When it detects a recurring issue or change in behaviour, it groups the affected traces into a finding, validates the issue, and investigates what caused it. This keeps monitoring cheap, with deeper analysis reserved for issues that warrant investigation.
Tessary is an open-source platform designed to enhance agent reliability by monitoring production traces and detecting failures that traditional evaluations may overlook. It utilizes narrow classifiers to identify recurring issues, grouping affected traces for further investigation while maintaining cost-effective monitoring.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.