LangWatch Scenario
JSON →LangWatch Scenario is an end-to-end agent testing library for Python (>=3.10) that lets you define, run, and evaluate LLM agent scenarios. It supports async execution, built-in judges, red-teaming, and integration with LangWatch observability. Current version: 0.7.26, released 2026-04-28. Active development with frequent releases.
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Resources
homepagelangwatch.ai ↗
API endpoints
full doc /v1/registry/langwatch-scenario