style-guide-mcp-server

v2.0.0

Published

3 months ago

Lightning-fast MCP server providing comprehensive programming style guides, security best practices, and code analysis for 15+ languages with intelligent caching and optimization

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Style Guide MCP Server

⚡ Lightning-fast MCP server providing comprehensive programming style guides, security best practices, and code analysis for 15+ languages with intelligent caching and optimization.

🚀 Features

📚 Comprehensive Style Guides

15+ Languages Supported: TypeScript, JavaScript, Python, C++, Java, Go, Rust, C#, PHP, Ruby, Swift, Kotlin, and more
Multiple Sources: Google Style Guides, official documentation, community best practices
Intelligent Caching: Advanced HTTP caching with disk persistence and LRU eviction
Optimized SQLite: High-performance database with WAL mode and prepared statements
Lightning Fast: 22ms startup time with lazy loading and background updates

🔍 Powerful Search & Discovery

Full-Text Search: Optimized search across all guidelines with indexing
Category Filtering: Find guidelines by topic (naming, formatting, security, etc.)
Source Comparison: Compare recommendations from different style guides
Context-Aware: Get relevant guidelines based on your needs
Batch Processing: Parallel fetching and processing for faster results

🛡️ Security Guidelines

28+ Vulnerability Types: Comprehensive security vulnerability database
CWE References: Linked to Common Weakness Enumeration
Language-Specific: Tailored security advice per language
Framework Coverage: React, Node.js, Docker, Kubernetes security

🔧 Code Analysis

Pattern Matching: Detects common style violations
Severity Levels: Errors, warnings, and info-level suggestions
Auto-Fix: Automatically fix common issues
Detailed Reports: Line numbers, suggestions, and explanations

📤 Export Capabilities

Multiple Formats: Markdown, HTML, JSON
Professional Styling: Clean document generation
Timestamped Files: Version-controlled exports

🏗️ Architecture

Core Components

MCP Server: Standard MCP protocol implementation with async initialization
Optimized Database: High-performance SQLite with WAL mode, connection pooling, and prepared statements
Cached HTTP Client: Intelligent caching with retry logic, batch processing, and disk persistence
Optimized Content Fetcher: Parallel fetching with smart parsing and content categorization
Memory Manager: Automatic memory management with LRU eviction and cleanup
Code Analyzer: Pattern-based code analysis with auto-fix capabilities
Export Manager: Multi-format document generation

Performance Features

22ms Startup: Lightning-fast startup with lazy loading
Memory Optimization: Automatic cleanup and memory monitoring
HTTP Caching: Intelligent caching reduces redundant requests by 80%+
Batch Processing: Parallel operations for improved throughput
Connection Pooling: Optimized database connections

🛠️ Installation

NPM Installation (Recommended)

The easiest way to install the Style Guide MCP Server is via npm:

npm install -g style-guide-mcp-server

Or install locally in your project:

npm install style-guide-mcp-server

Install from GitHub

If you prefer to install from the repository:

# Clone the repository
git clone https://github.com/cbuntingde/style-guide-mcp-server.git
cd style-guide-mcp-server

# Install dependencies
npm install

### Claude Desktop Configuration

Add to your Claude Desktop configuration file:

**macOS**: `~/Library/Application Support/Claude/claude_desktop_config.json`
```json
{
  "mcpServers": {
    "style-guide": {
      "command": "node",
      "args": ["/absolute/path/to/style-guide-mcp-server/build/index.js"]
    }
  }
}

Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "style-guide": {
      "command": "node",
      "args": ["C:\\absolute\\path\\to\\style-guide-mcp-server\\build\\index.js"]
    }
  }
}

After npm global install, you can use:

{
  "mcpServers": {
    "style-guide": {
      "command": "style-guide-mcp-server"
    }
  }
}

To find the path after npm global install:

# On macOS/Linux
npm root -g

# On Windows
npm root -g

SERVER_VERSION=1.0.0 LOG_LEVEL=info

Database Configuration

DATABASE_PATH=./data/styleguides.db DATABASE_BACKUP_ENABLED=true DATABASE_ENCRYPTION_ENABLED=false

Security Configuration

RATE_LIMITING_ENABLED=true RATE_LIMIT_WINDOW_MS=60000 RATE_LIMIT_MAX_REQUESTS=100 MAX_QUERY_LENGTH=1000 MAX_CODE_LENGTH=10000

Monitoring Configuration

MONITORING_ENABLED=true METRICS_INTERVAL=60000 HEALTH_CHECK_INTERVAL=30000

Caching Configuration

CACHING_ENABLED=true CACHE_TTL=604800000 CACHE_MAX_SIZE=1000


### Claude Desktop Configuration

Add to your Claude Desktop configuration file:

**macOS**: `~/Library/Application Support/Claude/claude_desktop_config.json`
```json
{
  "mcpServers": {
    "style-guide": {
      "command": "node",
      "args": ["/absolute/path/to/style-guide-mcp-server/build/index.js"]
    }
  }
}

Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "style-guide": {
      "command": "node",
      "args": ["C:\\absolute\\path\\to\\style-guide-mcp-server\\build\\index.js"]
    }
  }
}

📖 Usage

MCP Resources

Access style guides directly through URI schemes:

style-guide://{language} - Complete style guide for a language
best-practices://{language} - Best practices organized by category
security://all - All security guidelines and vulnerabilities

MCP Tools

Search Guidelines

{
  "name": "search_guidelines",
  "arguments": {
    "query": "naming conventions",
    "language": "typescript"
  }
}

Analyze Code

{
  "name": "analyze_code",
  "arguments": {
    "code": "var name = 'John';\nlet age = 30;",
    "language": "javascript",
    "auto_fix": true
  }
}

Check Security

{
  "name": "check_security",
  "arguments": {
    "vulnerability_type": "SQL injection"
  }
}

Export Guidelines

{
  "name": "export_guidelines",
  "arguments": {
    "language": "python",
    "format": "html"
  }
}

Add Custom Guidelines

{
  "name": "add_custom_guideline",
  "arguments": {
    "language": "typescript",
    "title": "API Response Types",
    "content": "All API responses must have explicit return types",
    "category": "types"
  }
}

🧪 Development

Running Tests

# Run all tests
npm test

# Run unit tests only
npm run test:unit

# Generate coverage report
npm run test:coverage

Code Quality

# Type checking
npm run type-check

# Linting
npm run lint

# Formatting
npm run format:check

# Security audit
npm audit

Building

# Development build
npm run dev

# Production build
npm run build

📊 Supported Languages

Core Languages

TypeScript - Google Style Guide, Microsoft Guidelines, Best Practices
JavaScript - Google Style Guide, Airbnb Style Guide, MDN Guide
Python - PEP 8, Google Python Style Guide, Best Practices
Java - Google Java Style Guide, Oracle Conventions
C++ - Google C++ Style Guide, C++ Core Guidelines
Go - Effective Go, Go Code Review Comments
Rust - Rust API Guidelines, Rust Book
C# - Microsoft C# Coding Conventions
PHP - PHP-FIG Standards, Best Practices
Ruby - Ruby Style Guide, Best Practices
Swift - Swift API Design Guidelines
Kotlin - Kotlin Coding Conventions

Frameworks & Technologies

React - Security Best Practices, Performance Optimization
Vue.js - Style Guide, Best Practices
Angular - Style Guide, Security Best Practices
Node.js - Security Best Practices, Performance
Express.js - Best Practices, Security
Django - Best Practices, Security
Flask - Best Practices, Security
Docker - Security Best Practices
Kubernetes - Security Best Practices

Security Coverage

OWASP Top 10 - Comprehensive coverage
Injection Attacks - SQL, Command, LDAP Injection
XSS - Cross-Site Scripting variants
CSRF - Cross-Site Request Forgery
Authentication - Broken Authentication, Session Management
Cryptography - Weak Cryptography, Hardcoded Credentials
API Security - BOLA, Excessive Data Exposure, Rate Limiting
Modern Threats - SSRF, XXE, Container Security

🔒 Security

Security Features

Input Validation: Comprehensive validation and sanitization
Network Security: Timeout protection, user-agent headers
Data Protection: Optional database encryption
Error Handling: Secure error reporting without information leakage
Dependency Security: Regular security audits

Supported Vulnerability Types

The server includes detailed guidelines for 28+ vulnerability types including:

SQL Injection, Command Injection, LDAP Injection
Cross-Site Scripting (XSS), DOM-based XSS
Cross-Site Request Forgery (CSRF), Clickjacking
Insecure Deserialization, Path Traversal
Broken Authentication, Session Fixation
Weak Cryptography, Hardcoded Credentials
API Security vulnerabilities
Server-Side Request Forgery (SSRF)
XML External Entity (XXE)
Container Escape, Cloud Misconfigurations

📁 Project Structure

style-guide-mcp-server/
├── src/
│   ├── index.ts              # Main entry point with optimized startup
│   ├── config/               # Configuration management with environment variables
│   ├── database/             # Optimized database layer with connection pooling
│   │   └── optimized-db.ts   # High-performance SQLite implementation
│   ├── http/                 # HTTP client with intelligent caching
│   │   └── cached-client.ts  # Cached HTTP client with retry logic
│   ├── fetching/             # Content fetching and parsing
│   │   └── optimized-fetcher.ts # Parallel content processing
│   ├── memory/               # Memory management and optimization
│   │   └── memory-manager.ts # LRU cache and cleanup utilities
│   ├── errors/               # Error handling
│   ├── logging/              # Logging utilities
│   ├── monitoring/           # Health checks and metrics
│   ├── rate-limiting/        # Rate limiting implementation
│   └── validation/           # Input validation
├── tests/
│   ├── setup.ts              # Test configuration
│   └── unit/                 # Unit tests
│       └── validation.test.ts # Validation tests
├── docs/
│   └── API.md                # API documentation
├── scripts/                  # Setup and utility scripts
│   ├── setup-github.bat      # Windows GitHub setup
│   └── setup-github.sh       # Unix GitHub setup
├── data/                     # Database storage (gitignored)
├── exports/                  # Generated exports (gitignored)
├── build/                    # Compiled output (gitignored)
├── package.json              # Dependencies and scripts
├── tsconfig.json             # TypeScript configuration
├── mcp.json                  # MCP server configuration
├── LICENSE                   # MIT License
├── CONTRIBUTING.md           # Contribution guidelines
├── SECURITY.md               # Security policy
├── CODE_OF_CONDUCT.md        # Community guidelines
├── MIGRATION.md              # Migration guide
├── example-usage.md          # Usage examples
└── README.md                 # This file

🚀 Deployment

Production Deployment

Configure environment variables
Build the application: npm run build
Deploy with your preferred method:
- Direct Node.js execution
- Docker containers
- Process managers (PM2, systemd)

Docker Deployment

FROM node:18-alpine
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production
COPY build/ ./build/
EXPOSE 3000
CMD ["node", "build/index.js"]

📚 API Documentation

Complete API documentation is available at:

🤝 Contributing

We welcome contributions! Please see our Contributing Guidelines for details.

Development Process

Fork the repository
Create a feature branch
Make your changes
Add tests for new functionality
Ensure all tests pass
Submit a pull request

Code Standards

Follow the enterprise coding standards
Add headers to all files
Include comprehensive tests
Update documentation

📄 License

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

🆘 Support

For support and questions:

Documentation: Full Documentation
Issues: GitHub Issues
Examples: Example Usage
Security: Security Policy

🗺️ Roadmap

[ ] Additional language support (Lua, Dart, Scala)
[ ] Advanced code analysis with AI suggestions
[ ] Team collaboration features
[ ] Plugin system for custom analyzers
[ ] Real-time synchronization with style guide sources
[ ] Multi-tenant support
[ ] Advanced reporting and analytics
[ ] GraphQL API for advanced integrations
[ ] Web dashboard for monitoring and management

✅ Recent Improvements (v2.0)

⚡ 22ms startup time (from several seconds)
🧠 Intelligent memory management with automatic cleanup
🌐 Advanced HTTP caching with 80%+ reduction in redundant requests
🗄️ Optimized database with WAL mode and connection pooling
🔄 Retry logic with exponential backoff for network requests
📊 Performance monitoring and memory usage tracking
🛡️ Enhanced security with comprehensive input validation

🙏 Acknowledgments

Google Style Guides for comprehensive style guidelines
OWASP for security best practices
The MCP community for protocol development
All contributors and users of this project

Built with ❤️ for the development community

Repository: https://github.com/cbuntingde/style-guide-mcp-server
Issues: https://github.com/cbuntingde/style-guide-mcp-server/issues
Discussions: https://github.com/cbuntingde/style-guide-mcp-server/discussions