v0.2.0

Added

• Custom methods support via define_custom_method (#75)
• Streamable HTTP transport implementation (#33)
• Tool argument validation against schemas (#43)

Changed

• Server context is now optional for Tools and Prompts (#54)
• Improved capability handling and removed automatic capability determination (#61, #63)
• Refactored architecture in preparation for client support (#27)

Fixed

• Input schema validation for schemas without required fields (#73)
• Error handling when sending notifications (#70)