Nexus-MCP

🎯 Overview

Nexus-MCP is a powerful Model Context Protocol (MCP) server built with TypeScript/Node.js that provides AI models with universal tools for:

• 📁 File System Operations (18 tools) - Read, write, search, and monitor files
• 🌐 HTTP/Web Requests (16 tools) - Fetch data, scrape websites, call APIs
• 🔄 Git Workflows (15 tools) - Clone, commit, branch, and manage repositories
• System Commands (8 tools) - Execute shell commands and manage processes
• 🔧 Utilities (8 tools, code ready) - JSON/YAML parsing, compression, encryption, and more

Current Status: 49 tools production-ready, 8 utilities tools code-implemented (pending config integration)

🚀 Quick Start

Installation

npm install -g @nexus-mcp/server

Configuration

# Copy example environment file
cp .env.example .env

# Edit with your settings
nano .env

Run

# Build the project
npm run build

# Run the MCP server (production)
npm start
# or
npm run start:mcp

# Run with CLI
npm run mcp

# Run in development mode
npm run dev

Integration with Claude Code

Add to your Claude Desktop config:

{
  "mcpServers": {
    "nexus-mcp": {
      "command": "node",
      "args": ["/path/to/nexus-mcp/dist/index.js"]
    }
  }
}

📦 Features

Filesystem Tools

• nexus_read_file - Read files with encoding support
• nexus_write_file - Write/create files
• nexus_list_directory - List directory contents
• nexus_search_files - Search files by pattern
• nexus_search_content - Search content within files
• nexus_watch_directory - Monitor directory changes

HTTP Tools

• nexus_http_get - HTTP GET requests
• nexus_http_post - HTTP POST requests
• nexus_fetch_url - Fetch and parse web content
• nexus_parse_html - Parse HTML with Cheerio
• nexus_call_api - Generic API calls

Git Tools

• nexus_git_clone - Clone repositories
• nexus_git_commit - Create commits
• nexus_git_push - Push to remote
• nexus_git_pr_create - Create pull requests
• Integration with GitHub, GitLab, Bitbucket

Database Tools

• nexus_db_query - Execute SQL queries
• nexus_db_list_tables - List database tables
• nexus_db_describe_table - Describe table schema
• Support for PostgreSQL, MySQL, SQLite, SQL Server, MongoDB

System Tools

• nexus_exec_command - Execute shell commands
• nexus_system_info - Get system information
• nexus_process_list - List running processes
• nexus_service_start/stop - Manage services

AI Tools

• nexus_llm_chat - Chat with LLMs (Anthropic, OpenAI)
• nexus_embedding_create - Create text embeddings
• nexus_text_summarize - Summarize text
• nexus_code_generate - Generate code

Utilities Tools

• nexus_json_parse/stringify - JSON manipulation
• nexus_yaml_parse/stringify - YAML manipulation
• nexus_zip_create/extract - ZIP compression
• nexus_encrypt/decrypt - Encryption/decryption

🏗️ Architecture

┌─────────────────────────────────────────┐
│         Claude / LLM Client              │
└──────────────┬──────────────────────────┘
               │ MCP Protocol (stdio)
               ▼
┌─────────────────────────────────────────┐
│           Nexus-MCP Server               │
│  ┌───────────────────────────────────┐  │
│  │      MCP Server Core             │  │
│  └───────────────────────────────────┘  │
│         ┌───────┴───────┐                │
│         │               │                │
│    ┌────▼────┐    ┌────▼────┐           │
│    │ Filesys │    │   HTTP  │           │
│    └─────────┘    └─────────┘           │
│    ┌─────────┐    ┌─────────┐           │
│    │   Git   │    │ Database│           │
│    └─────────┘    └─────────┘           │
│    ┌─────────┐    ┌─────────┐           │
│    │  System │    │    AI   │           │
│    └─────────┘    └─────────┘           │
└─────────────────────────────────────────┘

For detailed architecture, see docs/architecture.md

🏛️ Production-Grade Quality

Nexus-MCP is built with architectural excellence in mind, designed for production use and community adoption. We follow strict principles:

• ✅ Type Safety: TypeScript strict mode + Zod validation
• ✅ Error Handling: Structured, actionable error messages
• ✅ Performance: Async operations, caching, streaming
• ✅ Security: Input validation, sanitization, audit logs
• ✅ Observability: Structured logging, metrics, tracing
• ✅ Testability: 80%+ coverage, dependency injection
• ✅ Documentation: JSDoc, examples, comprehensive guides
• ✅ Developer Experience: Clear errors, IDE support, quick feedback

See Architectural Principles for complete details.

📚 Documentation

• Getting Started Guide - Quick start and basic usage
• Architecture Documentation - System architecture and design
• Architectural Principles - Design principles and best practices
• API Reference - Complete API documentation
• Tools Reference - Detailed tool documentation
• Roadmap - Development roadmap and progress

🛠️ Development

# Clone repository
git clone https://github.com/your-org/Nexus-MCP.git
cd Nexus-MCP

# Install dependencies
npm install

# Run in development mode
npm run dev

# Run tests
npm test

# Build for production
npm run build

# Lint code
npm run lint

📊 Project Status

• Current Version: 1.0.0-alpha
• Development Status: Active Development
• Core Progress: 34% (6/12 phases completed, 1 in progress)
• Implemented Tools: 49 production-ready, 8 code-implemented (pending config)
• Target Tools: 50+ ✅ (exceeded)
• Test Coverage: 36 tests implemented (35 unit + 1 integration)
• Test Status: ✅ All passing
• Build Status: ✅ Passing
• Executable: ✅ Ready for deployment
• CLI: ✅ Functional

See ROADMAP.md for detailed progress.

🤝 Contributing

Contributions are welcome! Please read our contributing guidelines before submitting PRs.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

• Model Context Protocol
• Anthropic Claude
• MCP SDK TypeScript

📞 Support

• 📖 Documentation
• 🐛 Issue Tracker
• 💬 Discord Community
• ✉️ Email: support@nexus-mcp.dev