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ps-fuzz

prompt-security/ps-fuzz

Test and harden system prompts for GenAI apps to ensure safety and security.

GitHub Website

GraphCanon updated 2w · GitHub synced 2w

702 stars102 forksLast push 6mo Python MIT

Decision brief

Good fit when

When you need to methodically test system prompts in generative AI applications for potential security flaws.
To ensure safety and security of GenAI apps by identifying vulnerabilities through prompt fuzzing.

Avoid when

If your project does not involve generative AI applications or does not require prompt testing for security reasons.
For tasks unrelated to the hardening and evaluation of system prompts, as ps-fuzz is specifically designed for this purpose.

Observed Jul 17, 2026 · Source: enrich:decision_facts

ps-fuzz alternatives Trust report

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Maintenance and security

Full trust report

Maintenance: Slowing (169d since push); As of 2w
Provenance: Not a fork · Organization account; As of 2w
Security (OSV): No lockfile; As of 1mo

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

pip install ps-fuzz

PyPI

Similar tools

Same-category neighbours. No typed graph edges are catalogued for this tool yet.

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Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

A tool that tests generative AI applications through systematic prompt fuzzing to identify vulnerabilities and improve overall security of the systems.

Capability facts

CLI: CLI entrypoint
Source: pyproject.toml:[project.scripts] · Aug 5, 2026
Languages: python
Source: github.language+pyproject.toml · Aug 5, 2026

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Python runtimePython

Source: README excerpt (regex_v1, Aug 5, 2026)

#### Using pip install

Source link

README

🚀 Installation

Install the Fuzzer package

Using pip install
```
pip install prompt-security-fuzzer
```
Using the package page on PyPi

You can also visit the package page on PyPi

Or grab latest release wheel file form releases

Launch the Fuzzer

export OPENAI_API_KEY=sk-123XXXXXXXXXXXX

prompt-security-fuzzer

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

For agents

This page has a .md twin and JSON over the API.

/tools/prompt-security-ps-fuzz.md GET /api/graphcanon/tools/prompt-security-ps-fuzz GET /api/graphcanon/graph?tool=prompt-security-ps-fuzz