flutter_mcp 1.0.4 copy "flutter_mcp: ^1.0.4" to clipboard
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Published 21 hours ago Dart 3 compatible
SDKFlutter
PlatformAndroidiOSLinuxmacOSwebWindows
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Flutter plugin that integrates MCP server, client, and LLM into a unified agent system. Provides background execution, notification, system tray, lifecycle management, secure data storage, and schedul [...]

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1.0.4 #

Improvements #

  • Dependency Updates

    • Updated to use latest versions of mcp_client (1.0.1), mcp_server (1.0.2), and mcp_llm (1.0.2)
    • All underlying MCP packages now achieve 100% MCP 2025-03-26 standard compliance
    • Improved compatibility with Python MCP SDK for cross-language interoperability

  • MCP Standard Compliance

    • Enhanced validation test coverage for all MCP features
    • Fixed Content type handling in client verification code
    • Improved advanced MCP feature testing including OAuth, dynamic tools, and resource subscriptions
    • All transports (STDIO, SSE, StreamableHTTP) now pass 100% of validation tests

  • Type Safety

    • Fixed type conversion issues with Content objects
    • Added safe text extraction methods for better compatibility
    • Improved null safety throughout the codebase

1.0.3 #

Bug Fixes #

  • Authentication

    • Fixed compatibility with mcp_server StreamableHTTP Bearer token validation
    • Resolved auth token handling issues for StreamableHTTP transport
    • Fixed Swift compiler warnings in macOS implementation

  • Code Quality

    • Fixed unused variable warnings in Swift codebase
    • Improved type safety for notification manager implementations
    • Enhanced error handling for authentication failures

1.0.2 #

Bug Fixes #

  • Transport Configuration

    • Fixed transport configuration options not being passed to underlying mcp_server/mcp_client packages
    • Fixed StreamableHTTP session termination issues
    • Fixed constructor syntax error in MCPClientConfig
    • Added missing shelf dependency
    • Made transportType explicitly required to prevent configuration errors

  • Documentation

    • Added Transport Configuration documentation to clarify proper usage

1.0.1 #

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

1.0.0 - 2025-03-26 #

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 #

0.1.0 #

  • 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

0.0.2 #

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

0.0.1 #

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

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Metadata

Flutter plugin that integrates MCP server, client, and LLM into a unified agent system. Provides background execution, notification, system tray, lifecycle management, secure data storage, and scheduling for cross-platform agent apps.

Repository (GitHub)
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Documentation

API reference

License

MIT (license)

Dependencies

crypto, flutter, flutter_web_plugins, intl, logging, mcp_client, mcp_llm, mcp_server, meta, path, path_provider, plugin_platform_interface, pointycastle, pub_semver, shelf, synchronized, universal_html, uuid, yaml

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