About Promptfoo
A developer-first tool for prompt testing, red teaming, and automated evaluations (CLI and managed) that focuses on finding prompt-level security, reliability, and safety issues. ([promptfoo.dev](https://www.promptfoo.dev/?utm_source=openai))
Key Features
- Adaptive red-teaming and auto-generated attacks tailored to your application (prompt injection, jailbreaks, data leaks).
- CLI-first workflow with YAML-configured tests, live reloads, and local-first operation.
- Managed/cloud and on-prem enterprise options for scale and integrations.
- Specialized evaluations for guardrails, model security, and misuse scenarios.
Use Cases & Best For
Security and ML engineering teams running prompt-level red teaming and guardrail testing
Developers who want a CLI-native, testable framework for prompt/eval automation
About Prompt Engineering
Optimize and manage prompts