# Monitoring & Observability Tools

> Trace, evaluate, and debug agent runs in production

2 tools reviewed and mapped to the Monitoring & Observability layer of an agent blueprint.

- [Langfuse](https://www.frameworkr.com/tools/langfuse.md): Open-source LLM observability — trace every agent run, score outputs, and catch regressions
- [Helicone](https://www.frameworkr.com/tools/helicone.md): Lightweight LLM proxy for logging, cost tracking, and caching with zero code changes


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_Frameworkr — https://www.frameworkr.com_