flutter_mcp 1.0.1

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Bug Fixes and Security Improvements #

• Security Enhancements

  • Replaced XOR encryption with HMAC-SHA256 based stream cipher
  • Added encryption timeout and error handling
  • Improved key generation and management

• Platform Compatibility Fixes

  • Android: Migrated from deprecated FlutterMain to FlutterLoader
  • macOS: Replaced deprecated NSUserNotification with UserNotifications framework (10.14+)
  • Added legacy support for older macOS versions

• Event System Improvements

  • Fixed hanging issues in EnhancedTypedEventSystem
  • Added timeout protection for middleware processing
  • Improved async event handling to prevent deadlocks
  • Restored full functionality of type-safe event system
  • Event System Cleanup
    • Removed dependency on EnhancedTypedEventSystem in core EventSystem
    • Made EventSystem fully self-contained without external dependencies
    • Integrated typed event support directly into EventSystem
    • Preserved all improvements (single lock, memory leak prevention, statistics)
    • Simplified API by removing temporary workarounds

• Code Quality

  • Fixed null safety issues in Android background service
  • Improved error handling across all platforms
  • Enhanced logging and diagnostics

First Stable Release #

Complete rewrite to support MCP 2025-03-26 specification with modern API design.

Breaking Changes #

• Complete API Redesign

  • Migrated to factory-based creation patterns for all MCP components
  • Introduced configuration objects (McpClientConfig, McpServerConfig)
  • Implemented Result<T, E> pattern for better error handling
  • Removed all deprecated methods and legacy APIs

• New Factory Methods

  • McpClient.createClient() replaces direct Client constructor
  • McpServer.createServer() replaces direct Server constructor
  • Transport creation now uses factory methods with Result types

• Enhanced Features

  • OAuth 2.1 authentication support
  • Batch processing with 40-60% performance improvement
  • Health monitoring and capability management
  • Circuit breaker pattern for resilience
  • Real-time performance monitoring

Features #

• Core MCP Integration

  • Full MCP Client v1.0.0 support
  • Full MCP Server v1.0.0 support
  • Full MCP LLM v1.0.0 support with all 2025-03-26 features
  • Seamless multi-client and multi-server management

• Platform Services

  • Cross-platform background execution
  • Native notifications on all platforms
  • System tray support for desktop
  • Secure credential storage
  • Advanced job scheduling

• Developer Experience

  • Comprehensive plugin system
  • Dynamic plugin loading
  • Event-driven architecture
  • Advanced diagnostics and logging
  • Memory and performance optimization

Platform Support #

• Android (API 21+)
• iOS (12.0+)
• macOS (10.15+)
• Windows (10+)
• Linux
• Web (partial support)

Previous Releases #

• API Improvements and Breaking Changes

  • Renamed methods to be more descriptive and consistent
    • createLlm split into createLlmServer and createLlmClient for better clarity
    • integrateServerWithLlm changed to addMcpServerToLlmServer
    • integrateClientWithLlm changed to addMcpClientToLlmClient
  • Updated return types for better type safety
    • createLlmServer now returns (String llmId, String llmServerId) tuple
    • createLlmClient now returns (String llmId, String llmClientId) tuple
  • Parameter changes for consistency and clarity
    • Removed useCache parameter from chat method
  • Enhanced documentation with clearer examples
  • Added explicit dependency information in README.md

• Enhanced Testing Features

  • Improved memory leak detection and testing
  • Enhanced circuit breaker tests for better fault tolerance
  • Timeout recovery testing improvements
  • Added robust lifecycle management tests
  • Fixed timing-dependent tests for greater reliability

• Performance Improvements

  • Optimized memory usage during LLM operations
  • Enhanced error recovery mechanisms
  • Improved concurrent operations handling
  • Better resource management across platforms

• Bug fixes and improvements
  • Fixed issues with background service initialization
  • Improved error handling and logging
  • Enhanced performance monitoring features
  • Updated documentation for better clarity

• Initial release
  • Support for MCP client, server, and LLM integration
  • Platform features: background service, notifications, system tray
  • Secure storage integration
  • Lifecycle management
  • Scheduled tasks