v0.3.0

Added

• Tool output schema support with comprehensive validation (#122)
• HTTP client transport layer for MCP clients (#28)
• Tool annotations validation for protocol compatibility (#122)
• Server instructions support (#87)
• Title support in server info (#119)
• Default values for tool annotation hints (#118)
• Notifications/initialized method implementation (#84)

Changed

• Make default protocol version the latest specification version (#83)
• Protocol version validation to ensure valid values (#80)
• Improved tool handling for tools with no arguments (#85, #86)
• Better error handling and response API (#109)

Fixed

• JSON-RPC notification format in Streamable HTTP transport (#91)
• Errors when title is not specified (#126)
• Tools with missing arguments handling (#86)
• Namespacing issues in README examples (#89)