v0.3.0: Enhanced Proxy System and Session Management

[dhyansraj]

MCP Mesh Release Notes

v0.3.0 (2025-07-04)

🚀 Major Features

Enhanced Proxy System

• Automatic proxy configuration from decorator kwargs (timeout, retry_count, custom_headers)
• Smart proxy selection based on capability requirements
• Authentication and streaming auto-configuration

Redis-Backed Session Management

• Distributed session storage with graceful in-memory fallback
• Session stickiness for stateful applications
• Automatic routing to same pod instances

Advanced Agent Types

• McpMeshAgent: Lightweight proxies for simple tool calls
• McpAgent: Full MCP protocol support with streaming and session management
• Backward compatibility maintained

Streaming Support

• call_tool_streaming() for real-time data processing
• FastMCP integration with text/event-stream
• Multihop streaming capabilities

⚡ Performance & Infrastructure

Fast Heartbeat Optimization

• 5-second heartbeat intervals with HEAD request optimization
• Sub-20 second topology change detection
• Improved fault tolerance and recovery

Kubernetes Native

• Comprehensive ingress support eliminates port forwarding
• Agent status management with graceful shutdown
• Enhanced health check endpoints

Architecture Improvements

• Registry as facilitator pattern
• Direct agent-to-agent communication
• Background orchestration with minimal overhead

📚 Developer Experience

Enhanced Documentation

• Comprehensive mesh decorator examples
• Clear distinction between agent types
• Advanced usage patterns and best practices

Improved CLI

• Better startup performance
• Enhanced error messages
• Environment variable consistency

🔧 Technical Improvements

• Ent migration completion (removed GORM/SQL remnants)
• Dependency resolution optimization
• Tag handling consistency fixes
• Python runtime cleanup

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v0.2.1 (2025-07-01)

🐛 Bug Fixes

• Fix Python packaging source paths in release workflow
• Resolve version update path issues
• Address DecoratorRegistry gaps and environment variable consistency

📦 Infrastructure

• Complete MCP Mesh 0.2.0 release preparation
• Add HEAD method support for efficient health checks
• Optimize CLI startup and FastAPI termination performance

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v0.1.0 (2025-06-19)

🎯 Initial Release

• Core dependency injection system
• Kubernetes deployment support
• Basic agent discovery and communication
• FastMCP integration
• Docker and Helm chart support

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This discussion was created from the release v0.3.0: Enhanced Proxy System and Session Management.