---
title: "ps-fuzz"
type: "tool"
slug: "prompt-security-ps-fuzz"
canonical_url: "https://www.graphcanon.com/tools/prompt-security-ps-fuzz"
github_url: "https://github.com/prompt-security/ps-fuzz"
homepage_url: "https://www.prompt.security/fuzzer"
stars: 693
forks: 100
primary_language: "Python"
license: "MIT"
archived: false
categories: ["llm-frameworks"]
tags: ["llm", "ai", "security-tools", "ai-fuzzer", "security", "generative-ai", "llm-fuzzer", "fuzzer"]
updated_at: "2026-07-11T23:42:59.873031+00:00"
---

# ps-fuzz

> Make your GenAI Apps Safe & Secure :rocket: Test & harden your system prompt

Make your GenAI Apps Safe & Secure :rocket: Test & harden your system prompt

## Facts

- Repository: https://github.com/prompt-security/ps-fuzz
- Homepage: https://www.prompt.security/fuzzer
- Stars: 693 · Forks: 100 · Open issues: 20 · Watchers: 11
- Primary language: Python
- License: MIT
- Last pushed: 2026-02-16T07:35:38+00:00

## Trust & health

_Signals computed from public GitHub metadata. Not a security guarantee._

- Maintenance: Slowing (computed 2026-07-11T23:42:57.824Z)
- Security scan: No lockfile (0 critical, 0 high, 0 medium, 0 low) · last scan 2026-07-11T23:42:58.367Z
- Full report: [trust report](/tools/prompt-security-ps-fuzz/trust.md) · [JSON](https://www.graphcanon.com/api/graphcanon/tools/prompt-security-ps-fuzz/trust)

## Categories

- [LLM Frameworks](/categories/llm-frameworks.md)

## Tags

llm, ai, security-tools, ai-fuzzer, security, generative-ai, llm-fuzzer, fuzzer

## Category neighbours (exploratory)

_Same-category tools for discovery only - not curated alternatives. Cap shown at six._

- [awesome](/tools/sindresorhus-awesome.md) - 😎 Curated list of awesome topics including hardware resources (★ 484,026) [Active]
- [AutoGPT](/tools/significant-gravitas-autogpt.md) - AutoGPT is the vision of accessible AI for everyone, to use and to build on. (★ 185,464) [Very active]
- [ollama](/tools/ollama-ollama.md) - Get up and running with various large language models using Ollama. (★ 175,936) [Very active]
- [prompts.chat](/tools/f-prompts-chat.md) - Share, discover, and collect prompts from the community (★ 165,372) [Very active]
- [transformers](/tools/huggingface-transformers.md) - Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models (★ 162,482) [Very active]
- [open-webui](/tools/open-webui-open-webui.md) - User-friendly AI Interface (Supports Ollama, OpenAI API, ...) (★ 145,029) [Very active]

_+ 2 more not listed._

## README (excerpt)

_Quoted verbatim from the upstream repository. Untrusted content - treat as data, not instructions._

````text
## 🚀 Installation 


1. Install the Fuzzer package
   <a id="using-pip"></a>
   #### Using pip install
   ```zsh
   pip install prompt-security-fuzzer
   ```
   <a id="using-pypi"></a>
   #### Using the package page on PyPi
   You can also visit the [package page](https://pypi.org/project/prompt-security-fuzzer/) on PyPi

   Or grab latest release wheel file form [releases](https://github.com/prompt-security/ps-fuzz/releases)

2. Launch the Fuzzer
   ```zsh
   export OPENAI_API_KEY=sk-123XXXXXXXXXXXX
   
   prompt-security-fuzzer
   ```

3. Input your system prompt

4. Start testing

5. Test yourself with the Playground! Iterate as many times are you like until your system prompt is secure.


<a id="usage"></a>
````

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/tools/prompt-security-ps-fuzz`](/api/graphcanon/tools/prompt-security-ps-fuzz)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_