Langfuse
Open-source platform for tracing, prompt management and evaluation of LLM apps, self-hosted or as a cloud service.
- Open source
- Can run on your own servers
- Developer API
Open-source tool for tracing and evaluating LLM apps, built on OpenTelemetry and runnable on a laptop or server.
Not enough info yet on developer API, works with MCP. Check the tool's own site.
Listing written by WithAutobot, checked 2026-11-04. Report a correction or request removal. Back to agent observability and evaluation.