# promptfoo/promptfoo

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.

26,583 stars · 2,607 forks · TypeScript · MIT

Topics: ci, ci-cd, cicd, evaluation, evaluation-framework, llm, llm-eval, llm-evaluation

## Use it

### How to install promptfoo in Claude Code

1. Clone & open

```bash
git clone https://github.com/promptfoo/promptfoo.git
cd promptfoo
claude
```

2. Let Claude read it

   Ask “/init” to generate a CLAUDE.md, then have Claude explain, run, or extend the codebase. It reads files on demand.

### How to install promptfoo in Claude Desktop

1. Clone the repository

```bash
git clone https://github.com/promptfoo/promptfoo.git
```

2. Open in your AI editor

   Open the folder in your assistant and ask it to index the codebase, then reference files in chat.

### How to install promptfoo in Cursor

1. Clone & open in Cursor

```bash
git clone https://github.com/promptfoo/promptfoo.git
```

2. Index & chat

   Open the folder — Cursor indexes it automatically. Use @Codebase in chat to ask about it or scaffold from it.

### How to install promptfoo in Codex CLI

1. Clone

```bash
git clone https://github.com/promptfoo/promptfoo.git
```

2. Point Codex at it

   Run codex in the repo root; add setup notes to AGENTS.md so the agent knows how to build & test.

### How to install promptfoo in Windsurf

1. Clone & open

```bash
git clone https://github.com/promptfoo/promptfoo.git
```

2. Use Cascade

   Windsurf indexes the workspace; ask Cascade to explain or reuse modules from the repo.

### How to install promptfoo in Cline

1. Clone the repository

```bash
git clone https://github.com/promptfoo/promptfoo.git
```

2. Open in your AI editor

   Open the folder in your assistant and ask it to index the codebase, then reference files in chat.

### How to install promptfoo in VS Code

1. Clone the repository

```bash
git clone https://github.com/promptfoo/promptfoo.git
```

2. Open in your AI editor

   Open the folder in your assistant and ask it to index the codebase, then reference files in chat.

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Source: https://mcp-skills-hub.vercel.app/repos/promptfoo-promptfoo · MCP Skills Hub · data as of 2026-10-28T12:31:05Z