Home / LLM Ops / promptfoo LLM Ops promptfoo — Test your LLM app before you ship Open-source CLI for prompt evals, red-teaming and CI gates across any provider. Official links www.promptfoo.dev promptfoo/promptfoo promptfoo features O Observability Trait Traces, logs and metrics promptfoo implements A API Trait Application Programming Interface promptfoo is written in TypeScript Language JavaScript With Syntax For Types