MutahunterAI
Mutahunter provides open-source mutation testing for evaluating software tests.
About MutahunterAI
MutahunterAI is an open-source, language-agnostic mutation testing tool that uses large language models to assess the effectiveness of software test suites. It is distributed under the AGPL-3.0 license and hosted as a public GitHub repository.
The tool requires Python 3.11 or higher for installation, and users must supply their own OpenAI API key to run mutation testing jobs. Test runs produce metrics including total generated mutants, counts of killed and survived mutants, total runtime, and associated API costs.
Key features
- Open-source LLM-based mutation testing for test evaluation
- Language-agnostic support for multiple programming languages
- Generates mutation coverage metrics including killed/survived mutants
- Reports test run runtime and associated LLM API costs
- Accepts custom test commands for varied project setups
- Includes example configurations for Java Maven projects
Best for: Software developers and quality assurance teams seeking open-source, language-agnostic mutation testing to evaluate test suite effectiveness.
Good for
- Open-source distribution under the AGPL-3.0 license
- Language-agnostic design works with multiple programming languages
- Provides transparent, per-run cost and runtime metrics
Watch out for
- Requires users to provide their own OpenAI API key for operation
- Requires Python 3.11 or higher to install and run
- No explicit support for LLM providers other than OpenAI
MutahunterAI at a glance
- Category
- Development › Developer Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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MutahunterAI FAQ
What programming languages does MutahunterAI support?
It is language-agnostic, with example configurations provided for Java Maven projects.
What are the system requirements to run MutahunterAI?
Python 3.11 or higher is required for installation, and a valid OpenAI API key is needed to run tests.
What metrics does MutahunterAI output after a test run?
It reports total mutants, killed and survived mutant counts, total runtime, and associated LLM API costs.
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