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REPOSITORY COMPARISON
Compare the foundations.
A factual comparison of purpose, language, licence record and adoption risk. Confirm current repository details before implementation.
| Compare | InvariantGitHub ↗ | PromptfooGitHub ↗ |
|---|---|---|
| Best for | Testing and controlling risky tool-using agents. | Regression testing, model comparison and AI security testing in CI. |
| What it provides | Guardrails and security tooling for robust agent development. | Test prompts, agents and RAG systems, including red-team and vulnerability checks. |
| Category | Evaluation & security | Evaluation & security |
| Primary language | Python | TypeScript |
| Licence record | Apache-2.0 | MIT |
| Practical caution | Guardrails supplement least privilege and human approval; they do not replace them. | Test suites only protect scenarios you actually define and maintain. |