Skills

Reference for writing and editing skills well — the vocabulary and principles that make a skill predictable.

Teach the user a new skill or concept, within this workspace.

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Create and manipulate Microsoft Excel spreadsheets programmatically. Use when users need to generate, edit, or convert Excel files.

Provides comprehensive guidance for generating teaching resources including courseware, exercises, case studies, and learning guides. Use when the user asks about generating teaching materials, creating courseware, designing exercises, or developing educational content.

Analyzes article structure, identifies positions requiring visual aids, generates illustrations with Type × Style × Palette three-dimension approach. Use when user asks to \"illustrate article\", \"add images\", \"generate images for article\", or \"为文章配图\".

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Collaborate on document creation and editing. Use when users need help writing, editing, or co-authoring documents, articles, or reports.

Generates images and text via reverse-engineered Gemini Web API. Supports text generation, image generation from prompts, reference images for vision input, and multi-turn conversations. Use when other skills need image generation backend, or when user requests \"generate image with Gemini\", \"Gemini text generation\", or needs vision-capable AI generation.

Generates article cover images with 5 dimensions (type, palette, rendering, text, mood) combining 11 color palettes and 7 rendering styles. Supports cinematic (2.35:1), widescreen (16:9), and square (1:1) aspects. Use when user asks to \"generate cover image\", \"create article cover\", or \"make cover\".

Converts X (Twitter) tweets and articles to markdown with YAML front matter. Uses reverse-engineered API requiring user consent. Use when user mentions \"X to markdown\", \"tweet to markdown\", \"save tweet\", or provides x.com/twitter.com URLs for conversion.

Provides comprehensive guidance for course design including curriculum development, learning objectives, and course structure. Use when the user asks about course design, needs to design courses, create learning objectives, or structure educational content.