Supports Bun runtime and package manager for JavaScript/TypeScript development environments
Allows setting up development environments from GitHub repositories
Integrates with Helix Editor for modal editing capabilities
Provides Jest test runner with detailed coverage metrics for JavaScript/TypeScript projects
Supports Node.js runtime for JavaScript/TypeScript development environments
Supports NPM package management for JavaScript/TypeScript projects
Provides pytest test runner with coverage reporting for Python projects
Supports Python runtime with UV package management for development environments
Provides Vitest test runner with V8 coverage for JavaScript/TypeScript projects
๐ MCP Local Dev
Let AI handle your local development environments while you focus on building amazing things!
โจ What's This?
A local development environment manager that lets LLMs configure and manage dev environments for you. Built for AI assistants to handle environment setup, dependency management, and testing automatically.
Related MCP server: MCP Frontend Testing Server
๐ Quick Start
Install Claude Desktop from the MCP quickstart guide
Add the following to your Claude Desktop config:
Point Claude at any GitHub repository and ask it to set up a dev environment!
Have it run the tests and report coverage!
Have a discussion, poke around or clean it up if you're done!
๐ฏ Core Features
Test Runners
๐งช pytest with coverage reporting
โก๏ธ Vitest with V8 coverage
๐ Jest with detailed coverage metrics
๐ฌ unittest with coverage support
Runtime Support
๐ Python with UV package management
๐ฆ Node.js with NPM
โก๏ธ Bun runtime and package manager
Environment Management
๐๏ธ Automatic runtime detection
๐ฆ Smart package manager selection
๐ Sandboxed environments
๐งน Automatic cleanup
๐ GitHub repository support
๐ Local project support
Developer Experience
๐ฏ Zero configuration needed
๐ Structured JSON logging
๐ Detailed test coverage metrics
๐ก๏ธ Isolated environments per project
๐ซ Under the Hood
MCP Server Spec: Full compliance with comprehensive test coverage
Path Isolation: Each environment is neatly contained
System Integration: Uses your installed runtimes (Python, Node.js, Bun)
Package Management: Automatically selects fastest available package manager for each runtime
Network Access: Full connectivity for package management
Process Handling: Native system processes for maximum speed
๐ Behind the Scenes
Development involved rigorous testing across multiple models:
๐ Claude 3.5 Sonnet: Crushed it
๐ช DeepSeek V3: Strong performer
๐ O1: Not great, Bob
๐ Key Takeaways
This project demonstrates the incredible potential of AI-assisted development:
๐โโ๏ธ Lightning fast prototyping
๐ฏ That last 15% is still where the real work happens
๐ Great example of real-world AI development patterns
๐ญ A Note on AI & Development
As someone who's spent years in software development, what's exciting about this project isn't just automation - it's the shift in how we interact with development environments. The value isn't in replacing human developers, but in reducing cognitive overhead. When AI handles environment setup and maintenance, developers can focus more on architecture and design decisions.
This project demonstrates that AI isn't just about generating code - it's about managing complexity. By handling the mechanical aspects of development environment setup, we free up mental bandwidth for the creative and architectural challenges that truly need human insight.
๐ Big Thanks To
UV - Speed demon Python package installer
Aider - Your AI pair programming buddy
Anthropic - For Claude's assistance in development
Helix Editor - Modal editing at its finest
๐ License
MIT
Appeared in Searches
- How to execute tests on a frontend page and debug browser console issues
- A service or tool for downloading and installing SDKs for development
- Exploring Modern Fortran Language Support and Tools
- Developing and redeveloping web frontend and Python backend projects, including frontend-backend integration and debugging
- Tools and Techniques for Testing Electron.js Apps