Tech riderRev. 20 Sept 2026
  1. 1Runs onNot stated by the maker
  2. 2CostsNot stated by the maker
  3. 3Supported languagesJavaScript
  4. 4Parallel executionYes
  5. 5Surviving mutant reportsYes
  6. 6Mutation operatorsboolean literals; conditional boundaries; increments; inverted negatives; math and bitwise operators; negated conditionals; numeric literals; removed array elements; removed conditionals; removed function-call arguments; removed function parameters; removed functions; removed lines; removed object properties; removed switch cases; string literals
4 lines stated Written from the maker's own pages: thesoftwaredesignlab.github.io
The Mutode homepage

Overview

Mutode is ranked #13 of 25 in mutation testing tools on Specifiction.

Compared on mutation testing tools

Supported languages
JavaScriptthesoftwaredesignlab.github.io
Parallel execution
Yesthesoftwaredesignlab.github.io
Surviving mutant reports
Yesthesoftwaredesignlab.github.io
Mutation operators
boolean literals; conditional boundaries; increments; inverted negatives; math and bitwise operators; negated conditionals; numeric literals; removed array elements; removed conditionals; removed function-call arguments; removed function parameters; removed functions; removed lines; removed object properties; removed switch cases; string literalsthesoftwaredesignlab.github.io

Facts

What it does
Mutode generates small code changes called mutants and runs tests to reveal whether the tests detect them.thesoftwaredesignlab.github.io · 4 Oct 2026
Intended users
Mutode is a mutation testing tool for JavaScript and Node.js projects.thesoftwaredesignlab.github.io · 4 Oct 2026
Install
The page documents global npm installation, local development dependency installation, npx usage, and package.json scripts.thesoftwaredesignlab.github.io · 4 Oct 2026
Runtime requirement
Mutode requires Node 8 or later.thesoftwaredesignlab.github.io · 4 Oct 2026
Configuration
Users can select mutation operators and set concurrency; the command-line documentation gives a default concurrency of 4.thesoftwaredesignlab.github.io · 4 Oct 2026
Test requirement
Mutode runs the project’s npm test command before proceeding and reports an error if the clean test suite exits with a nonzero code.thesoftwaredesignlab.github.io · 4 Oct 2026
Results
Mutode reports killed, survived, and discarded mutants and calculates mutant coverage.thesoftwaredesignlab.github.io · 4 Oct 2026
Logs
Mutode saves logs in a .mutode folder in the project.thesoftwaredesignlab.github.io · 4 Oct 2026
License
The project is licensed under MIT, with copyright attributed to Diego Rodríguez Baquero.github.com · 4 Oct 2026
Integrations
The documentation describes npm installation and execution but does not list third-party service integrations.thesoftwaredesignlab.github.io · 4 Oct 2026
Security and compliance
The opened product pages do not state security certifications or compliance claims.thesoftwaredesignlab.github.io · 4 Oct 2026

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Sources