Prompt Junky

LangWatch

Online · Nationwide

An open-source platform for LLM evaluation and agent testing with prompt versioning, scenario-based agent simulations and an optimization studio built on DSPy.

Image from the business's own website.

Services

  • Prompt versioning
  • Agent simulations
  • Optimization studio
  • Tracing

Highlights

  • #typescript
  • #python
  • #self-hostable
  • #apache-2.0

Source: Official GitHub repository. Last checked 2026-09-18. Spot an error? Tell us.

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