Best Jest MCP Servers
Jest is a delightful JavaScript Testing Framework with a focus on simplicity. It works with projects using Babel, TypeScript, Node.js, React, Angular, Vue.js and more.
Why this server?
Allows running Jest test suites on BrowserStack's cloud infrastructure for cross-browser and cross-device testing
AlicenseBqualityBmaintenanceBrowserStack's Official MCP Server515,072 npm152AGPL 3.0Why this server?
Supports inspecting Jest doubles (jest.spyOn, manual __mocks__, mockReturnValue, mockImplementation, etc.) to detect stale or invalid mocks before running tests.

Nemesis-MCPofficial
AlicenseAqualityAmaintenanceChecks mocks, stubs, and spies against current production code to detect stale or mismatched test doubles without running any tests.3MITWhy this server?
Supports generating and running tests with the Jest framework.

OrangePro MCPofficial
AlicenseAqualityAmaintenanceAnalyzes code to map behaviors, identify untested gaps, and generate grounded integration tests that actually run.15169 npm18MITWhy this server?
Distributes Jest test suites across the cluster for parallel execution and improved testing throughput.
AlicenseAqualityDmaintenanceEnables cluster-aware command execution and automatic task routing across distributed nodes based on system load, architecture, and OS requirements. It supports parallel execution, remote node management via SSH, and dynamic load balancing for agentic workflows.4MITWhy this server?
Enables unit testing capabilities for verifying functionality and ensuring code quality
AlicenseBqualityDmaintenanceA Node.js and TypeScript server project that provides a simple starter example with Express.js web server, supporting hot-reload, testing, and modular structure.226 npmISCWhy this server?
Integrated for testing capabilities, supporting various test suites including integration tests, Exa Research API tests, and server tool registration tests
AlicenseAqualityAmaintenanceProvides advanced analytical, research, and natural language processing capabilities through a Model Context Protocol server, enabling dataset analysis, decision analysis, and enhanced NLP features like entity recognition and fact extraction.124MITWhy this server?
Integrates with Jest for running and managing tests, enabling test execution and monitoring during development
AlicenseAqualityDmaintenanceA Model Context Protocol server that provides tools to find regex pattern positions in files and list allowed directories, enabling text analysis with LSP-like functionality.201MITWhy this server?
Supports comprehensive testing of the Neo N3 MCP server functionality, ensuring reliability of blockchain interactions.
AlicenseBqualityAmaintenanceAn MCP server that provides seamless integration with the Neo N3 blockchain, allowing Claude to interact with blockchain data, manage wallets, transfer assets, and invoke smart contracts.194 npm4MITWhy this server?
Uses Jest for testing the Novita MCP server functionality.

Novita MCP Serverofficial
AlicenseCqualityDmaintenanceAn MCP server that enables seamless management of Novita AI platform resources, currently supporting GPU instance operations (list, create, start, stop, etc.) through compatible clients like Claude Desktop and Cursor.2028 npm12MIT