- Home
- AI Red Teaming Tools
- Prompt Fuzzer
On the recordRead 5 Oct 202618 facts
Prompt Fuzzer
On the record
- Access
- The maker directs users to GitHub to get the tool; the page does not state specific operating system support or integrations.prompt.security · read 5 Oct 2026
- Approach
- The maker says the tool focuses on prompt-based systems and their target program interactions, unlike symbolic execution methods that analyze code paths.prompt.security · read 5 Oct 2026
- Attack coverage
- The repository lists 16 attack types, including jailbreak, prompt injection, RAG poisoning, and system prompt extraction.github.com · read 5 Oct 2026
- Attack testing
- The fuzzing process uses dynamic LLM-based attacks.prompt.security · read 5 Oct 2026
- Community contributions
- The maker invites the community to contribute additional attack tests through the GitHub repository.github.com · read 5 Oct 2026
- Custom endpoints
- The tool supports custom and self-hosted LLM endpoints, including Ollama and OpenAI-compatible endpoints.github.com · read 5 Oct 2026
- Fuzzing engine
- The fuzzer generates diverse test scenarios and uses variations of malicious prompts as fuzz targets for an AI system.prompt.security · read 5 Oct 2026
- Installation
- The repository instructs users to install the tool with pip and requires Python 3.10 or newer.github.com · read 5 Oct 2026
- Intended users
- The page presents the tool for developers of AI applications seeking to evaluate and improve prompt resilience and safety.prompt.security · read 5 Oct 2026
- Interactive playground
- The maker says users can iterate on system prompt settings in a chat-format Playground, with each iteration representing a fuzzing campaign.prompt.security · read 5 Oct 2026
- LLM providers
- The repository lists support for 16 LLM providers, including OpenAI, Anthropic, Azure OpenAI, Cohere, Google PaLM, and Ollama.github.com · read 5 Oct 2026
- Open source
- The maker describes Prompt Fuzzer as an open-source fuzzing tool and directs users to get it from GitHub.prompt.security · read 5 Oct 2026
- Playground
- The Playground lets users iterate settings in a chat format, with each iteration representing a new fuzzing campaign.prompt.security · read 5 Oct 2026
- Purpose
- Prompt Fuzzer tests and hardens the system prompts of AI applications against vulnerabilities.prompt.security · read 5 Oct 2026
- RAG testing requirement
- RAG tests require an embedding provider and embedding model; the repository says ChromaDB is installed by default with the package.github.com · read 5 Oct 2026
- Target users
- The maker presents the tool for developers building AI applications who want to assess and improve system prompt resilience.prompt.security · read 5 Oct 2026
- Testing modes
- It supports interactive chat mode, command-line mode, and multithreaded testing.github.com · read 5 Oct 2026
- Token usage
- The maker warns that using Prompt Fuzzer consumes tokens.github.com · read 5 Oct 2026
