Word, Excel, PowerPoint, PDF, meeting notes, and manuals (4.1K skills)
Research across Notion and synthesize into structured documentation; use when gathering info from multiple Notion sources to produce briefs, comparisons, or reports with citations.
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Auto-generate documentation for code, APIs, databases, and projects. Use when the user asks about generating README files, API docs, code documentation, JSDoc/docstrings, or project documentation.
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Use when the user asks to initialize a repo, create AGENTS.md, generate contributor guidelines, or set up agent-oriented documentation for a codebase.
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Describe what this skill does and when to use it. Include keywords that help agents identify relevant tasks.
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Auto-generate docs from code: API reference, architecture docs, inline comments. Use when the user asks to generate documentation, create API references, document code, or produce architecture diagrams from existing code.
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Explain an unfamiliar repository, find where to make a change, and maintain source-cited documentation. Use for repo onboarding, wiki questions, documentation impact, or updating and sharing a WhaleWiki.
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Compatibility alias for the pptx skill. Prefer loading pptx.
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Create/edit/inspect Word documents using available managed or host capabilities.
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Read, extract, split, merge, rotate, watermark, fill, OCR, or create PDF files with verification of page counts and text extraction.
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Write or update repository/product documentation: README, user guides, API docs, architecture, migration notes, and changelog material. This is not the Word-document artifact skill.
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Compatibility alias for the xlsx skill. Prefer loading xlsx.
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Create/edit/analyze/verify spreadsheet workbooks including XLSX/CSV/TSV.
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Create/edit/inspect/verify slide decks and PPTX presentations.
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Compatibility alias for the docx skill. Prefer loading docx.
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当物理问题的方程列得出来却解不动、能量算不平、或者根本不知道往哪个方向列方程时使用。先把过程按约束改变、接触建立断开、打滑、相变、冲量作用切成阶段，标出每段守恒什么、哪里突变、阶段之间靠什么衔接；再为每个阶段配一个能直接回答本段问题的表示（受力图、冲量-动量表、势能曲线、相图、质心系、有效势、相量、无量纲化、对称性）。给的是看问题的角度，不是解。
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Use when: reviewing or producing any external-facing prose — ADRs, proposals, GitHub comments, Telegram messages, cover letters, client drafts, or planner-mode wording. Removes AI-tell patterns and raises writing quality before output leaves the team.
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Records decisions and documentation. Use when making architectural decisions, changing public APIs, shipping features, or when you need to record context that future engineers and agents will need to understand the codebase.
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Use when: investigating a legacy, inherited, third-party-built, or otherwise newly-unfamiliar codebase before scoping a migration or major refactor. Formalizes a repeatable five-step investigation pass — entry-point census, business-rule classification, side-effect/idempotency cataloging, implicit-contract discovery, semantic-duplication detection — plus a canonical per-project Open Questions document. Requires checkable signals: ticket keywords or prior documentation gaps. Not a mandatory gate; reserved for entry-point-heavy work in code areas with no prior investigation record.
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Use when: analysing a project's user-facing health — discoverability, documentation, and product clarity.
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Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas
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Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks
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When the user wants to create or optimize popups, modals, overlays, slide-ins, or banners for conversion purposes. Also use when the user mentions "exit intent," "popup conversions," "modal optimization," "lead capture popup," "email popup," "announcement banner," or "overlay." For forms outside of popups, see form-cro. For general page conversion optimization, see page-cro.
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Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.
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Comprehensive toolkit for product managers including RICE prioritization, customer interview analysis, PRD templates, discovery frameworks, and go-to-market strategies. Use for feature prioritization, user research synthesis, requirement documentation, and product strategy development.
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