webrtrace is a Python library for causality tracing in multi-agent AI systems. It helps developers identify exactly which node in a chain caused a failure, supporting debugging of hallucinations and complex agent interactions. Designed for AI engineers building observable multi-agent applications.
webrtrace sits in PulseGate's LLM eval & observability category. It focuses on debugging and tracing failures in complex multi-agent AI workflows where one node breaks the chain. webrtrace is an open-source project aimed at AI developers. The project is open source (Apache-2.0). webrtrace is available on the command line.
webrtrace first shipped in 2026. Among its 4 catalogued features are Causality Tracing, Multi-agent Debugging, and Hallucination Detection.
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