MCP-RS Documentation

Welcome to the MCP-RS documentation! This site contains comprehensive guides, API references, and architecture documentation for the Rust implementation of the Model Context Protocol.

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What is MCP-RS?

🚀 Production-Ready Rust implementation of the Model Context Protocol (MCP) for AI-agent integration with WordPress and beyond.

MCP-RS provides a comprehensive, battle-tested implementation of the MCP (Model Context Protocol) in Rust with complete WordPress integration. Built with a layered architecture, it enables AI agents to perform sophisticated content management through a standardized JSON-RPC interface.

Key Features

🚀 Core Capabilities

  • JSON-RPC 2.0 Server: Full-featured JSON-RPC server implementation using axum
  • Core Runtime Module: Advanced application lifecycle and resource management
  • Multi-Transport Support: Stdio, HTTP, and WebSocket communication protocols
  • Plugin Architecture: Handler-based system with McpHandler trait for extensibility
  • Type-Safe Configuration: TOML-based configuration with environment variable override
  • Production-Ready Error Handling: Comprehensive error types with structured logging
  • Async/Await: Built on tokio for high-performance async operations
  • Hot Configuration: Dynamic configuration reloading capabilities

🔒 Enterprise-Grade Security Features

🛡️ Complete 7-Layer Security Architecture (100% Implemented)

  • 🔐 RBAC (Role-Based Access Control): Fine-grained access control with role hierarchy and inheritance
  • 🔐 AES-GCM-256 Encryption: Military-grade encryption with PBKDF2 key derivation (100K iterations)
  • ⚡ Token Bucket Rate Limiting: Advanced DDoS protection with configurable limits and burst handling
  • 🔒 TLS 1.2+ Enforcement: Mandatory secure transport with certificate validation
  • 🚫 Zero-Panic Operations: Complete unwrap() elimination with comprehensive Result-based error handling
  • 🛡️ SQL Injection Protection: 11 attack pattern detection with Union/Boolean/Time-based attack prevention
  • 🚫 XSS Attack Protection: 14 attack pattern detection with HTML sanitization and CSP headers
  • 📊 Comprehensive Audit Logging: All security events recorded with tamper-resistant logging
  • 🎯 Advanced Input Validation: Real-time validation with custom rules and data sanitization
  • 🔍 Data Masking: 4 masking strategies (Full, Partial, Hash, Tokenize) for PII/PHI protection
  • 📈 Time-Based Access Control: Business hours and emergency access support

🎯 WordPress MCP Tools (27 tools available)

📝 Content Management:

  • Complete post and page management
  • Advanced post creation with SEO and scheduling
  • YouTube and social media embeds
  • Category and tag management

🖼️ Media Management:

  • Upload media files (base64/multipart)
  • Featured image management
  • Media library operations
  • Accessibility support (alt text, captions)

🔗 Content Integration:

  • Create posts with taxonomy
  • Comments management
  • Content relationships

🗄️ Database MCP Tools (Multi-Engine Support)

📊 Database Engines:

  • PostgreSQL: Enterprise relational database with advanced SQL features
  • MySQL: Popular web-scale database with full transaction support
  • Redis: High-performance in-memory store with cluster support
  • MongoDB: Document-oriented NoSQL with aggregation pipelines
  • SQLite: Lightweight embedded database for development

🔧 Database Operations:

  • Execute queries with SQL injection protection
  • Transaction management with configurable isolation levels
  • Schema introspection and metadata retrieval
  • Multi-engine workflows and cache-aside patterns
  • Real-time health monitoring and performance metrics
  • Connection pooling with advanced timeout handling

Current Status

✅ Recently Completed (v0.16.0)

  • 🌐 WebSocket Transport Enhancements: Server mode, LLM streaming, connection pooling, load balancing
  • 🔌 Plugin Isolation System: Inter-plugin communication, advanced error handling, Docker runtime support
  • 🤖 LLM Streaming Integration: OpenAI GPT-4 and Anthropic Claude 3.5 Sonnet with real-time responses
  • 📊 Metrics & Monitoring: Real-time metrics collection, rate limiting (3 algorithms), message compression
  • 🐳 Docker Runtime Support: Container-based plugin execution with security scanning
  • 🏗️ Code Architecture: mod.rs refactoring for improved maintainability (5 major modules)
  • 🔒 Enterprise Security: 7-layer security architecture with RBAC (100% Complete)
  • 🧪 Quality Assurance: 567 test cases with 100% pass rate and zero Clippy warnings

Implementation Status

  • WordPress API Handler: Complete with featured image and media upload support
  • Security Implementation: 100% complete (6/6 enterprise-grade security layers)
  • MCP Protocol Foundation: JSON-RPC + handler trait system
  • Error Handling: thiserror-based type-safe error management
  • Security Testing: Comprehensive test suite with 100% security coverage

MCP-RS is production-ready with enterprise-level security requirements and comprehensive WordPress integration capabilities.