trulens.org
TruLens for LLMs
Trace AI agents and measure where they succeed or fail
TruLens is an open-source toolkit for tracing and evaluating AI agents, RAG and MCP apps. It records step-level cost and latency, offers customizable evaluation metrics, and compares app versions using live traces or datasets.
AI evaluationDetails read from the tool's own site · 6 Nov 2026
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- Open source
- Open source
- Yes
- Tags
- ai agents, evaluation, tracing, rag, mcp, opentelemetry, custom metrics, open source
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