Fuzzer Python Packages

dirsearch

Web path scanner

protofuzz

Google Protocol Buffers message generator

grammarinator

ANTLR v4 grammar-based test generator

byron

An evolutionary source-code fuzzer

fuzzingtool

Software for fuzzing, used on web application pentestings.

mcpsec

An AI-driven dynamic protocol fuzzer for the Model Context Protocol (MCP). Prove runtime exploitability by discovering state violations, transport crashes, and application-layer logic flaws (SSRF, LFI) before your AI agents do.

apifuzzer

Fuzz test your application using Swagger or OpenAPI definition without coding

mcp-fence

Local-first security scanner, MCP protocol inspector, dynamic fuzzer, sandbox runner, and report generator for Model Context Protocol servers.

evomaster

The first open-source AI-driven tool for automatically generating system-level test cases (also known as fuzzing) for web/enterprise applications. Currently targeting whitebox and blackbox testing of Web APIs, like REST, GraphQL and RPC (e.g., gRPC and Thrift).

gramfuzz

gramfuzz is a grammar-based fuzzer that lets one define complex grammars to generate text and binary data formats.

mseep-mcp-fence

Local-first security scanner, MCP protocol inspector, dynamic fuzzer, sandbox runner, and report generator for Model Context Protocol servers.

frelatage

Frelatage is a coverage-based Python fuzzing library which can be used to fuzz python code.

dharma

Generation-based, context-free grammar fuzzer. Refer to https://github.com/posidron/dharma for a maintained version.

pythonfuzz

coverage-guided fuzz testing for python

prompt-security-fuzzer

LLM and System Prompt vulnerability scanner tool

fuzza

Customizable TCP fuzzing tool to test for remote buffer overflows.

fuzzer-cov

No description available

fuzzyfuzzer

Fuzzy - An other web fuzzer

dharma-callback-fuzzer

Generation-based, context-free grammar fuzzer. Refer to https://github.com/posidron/dharma for a maintained version.

hawkscan

Security Tool for Reconnaissance and Information Gathering on a website. (python 3.x)

performancefuzzer

PerformanceFuzzer

dotdotfarm

Fast Path Traversal exploitation tool

idl2js

Grammar-based Fuzzer that uses WebIDL as a grammar.

kharma

Kharma is a state-of-the-art grammar fuzzer