The WordWise plugin integrates AI-powered tools into Obsidian to enhance writing and productivity. It supports multiple AI providers like OpenAI, Google Gemini, and Cohere, offering a variety of writing enhancements such as grammar improvement, text simplification, paraphrasing, and summarization. Users can leverage commands like 'Make Shorter' to condense text, 'Make Longer' to expand ideas, and 'Highlight Main Point' to emphasize key ideas. The plugin also allows for custom AI instructions, making it versatile for different writing tasks. With its intuitive interface and integration with popular AI models, WordWise aims to streamline content creation and refinement within Obsidian.