opencode
Expertise for using OpenCode (an open-source AI coding agent) and building client applications that interact with the OpenCode HTTP server. Use this skill when the user asks about OpenCode features, how to use it, or how to build tools/clients that integrate with the OpenCode server API.
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.
webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
internal-comms
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
template-skill
Replace with description of the skill and when Claude should use it.
web-artifacts-builder
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
brand-guidelines
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
algorithmic-art
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.
doc-coauthoring
Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.
docx
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks
xlsx
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
intellij-plugin-builder
Guide for creating IntelliJ Platform plugins using Gradle and Kotlin/Java. Use when users want to create, configure, or develop plugins for IntelliJ IDEA or other JetBrains IDEs.
frontend-design
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.
web-to-markdown
Use ONLY when the user explicitly says: 'use the skill web-to-markdown ...' (or 'use a skill web-to-markdown ...'). Converts webpage URLs to clean Markdown by calling the local web2md CLI (Puppeteer + Readability), suitable for JS-rendered pages.
response-quality-analysis
Analyze whether your response addresses the actual question asked before posting. Use when: (1) About to post response to forum/Slack question, (2) Want to validate response coverage, (3) Need to ensure solving the right problem, (4) Want specific improvement suggestions for gaps in response
ai-workflow-engineering
Guide for creating reliable AI workflows and SOPs. Use when: (1) User wants to create a structured workflow for AI tasks, (2) User needs to build an SOP for complex processes, (3) User wants to ensure their workflow follows best practices for managing LLM uncertainty, (4) User mentions creating workflows for domains like code review, response analysis, documentation, or any structured process
codebase-summary
Analyze a codebase and generate comprehensive documentation including architecture, components, interfaces, workflows, and dependencies. Creates an AI-optimized knowledge base (index.md) and can consolidate into AGENTS.md, README.md, or CONTRIBUTING.md. Use when the user wants to document a codebase, create AGENTS.md, understand system architecture, generate developer documentation, or asks to "summarize the codebase".
writing-eval-sloptastic
Quantitative framework for detecting AI-generated "slop" in prose through systematic analysis of structural, lexical, rhetorical, and logical patterns. Use when analyzing text authenticity, evaluating writing quality, detecting AI-generated content, or assessing whether prose has characteristic AI patterns like excessive parallelism, abstraction laddering, chiasmus abuse, platitudes, tautologies, or rhetorical overengineering.
transcribing-youtube
Download and transcribe YouTube videos into clean, deduplicated Markdown documents with chapter headings. Wraps yt-dlp to fetch subtitles (manual or auto-generated), removes the rolling-text triplication artifacts from auto-subs, inserts chapter markers from video metadata, and produces both a timestamped transcript and a prose-only version. Use when the user wants to: (1) transcribe a YouTube video, (2) get a transcript or subtitles from YouTube, (3) create an InfoNugget from a video, (4) extract text from a YouTube URL or video ID, or (5) mentions yt-dlp, YouTube transcript, or video subtitles.
synchronizing-grok-convos
Global/continuous sync of your private Grok conversations from both grok.com and x.com into a clean Obsidian vault. Uses Playwright for reliable discovery across surfaces, supports bookmarklet capture, requires Defuddle, and produces 6-stream maximized Markdown with surface origin in frontmatter. Default target: ~/.grok/conversations/
skill-resiliency
This skill should be used when the user asks to "add resiliency to a skill", "make this skill more robust", "improve error handling", "add validation mechanisms", "create self-correcting behavior", or discusses determinism, robustness, error correction, or homeostatic patterns in Agent Skills. Applies biological resiliency principles from Michael Levin's work to Agent Skill design.
prompt-driven-development
Transform rough ideas into detailed design documents with implementation plans. Use when a user wants to develop an idea into a complete specification, create a design document from a concept, plan a feature implementation, or mentions "PDD", "prompt-driven development", "idea to design", "design doc from idea", or wants to systematically refine requirements before building. Guides through requirements clarification, research, detailed design, and implementation planning.
guided-ooda-loop
Universal pattern for structured LLM interaction managing finite context windows through phased progression (Observe-Orient-Decide-Act). Use when the user has a complex problem, wants to design/build/create something (software, strategy, document, process), or uses phrases like "I have an idea for...", "help me design...", "guide me through...", or mentions OODA, RPI, or PDD. Reduces hallucinations through structured interaction.
validated-knowledge-synthesis
Transform raw, unorganized information into actionable knowledge through systematic validation. Use when users want to synthesize information from multiple sources (documents, URLs, transcripts, notes) into structured knowledge documents. Supports three document types - curated context (default, optimized for recall), guidance (implementation-focused narrative), and reference (quick lookup). Combines convergent synthesis with tension preservation to maintain productive contradictions. Triggers on requests like "synthesize this information", "create knowledge document from these sources", "transform these notes into actionable guidance", or "help me organize this research".
gpu-cli
Run ML training, LLM inference, and ComfyUI workflows on remote NVIDIA GPUs (A100, H100, RTX 4090). Cloud GPU compute with smart file sync — prefix any command with 'gpu' to run it remotely.
book-digest-cn
中文拆书与读书笔记助手。当用户要"拆书""读书笔记""这本书讲什么""帮我读这本书""做读书卡片""写书评""整理一本书的框架"时使用。重点是把书变成能用的东西，不是复述目录。
ai-learning-coach
用 AI 系统学习任何东西的教练。当用户要"学 XX""怎么入门""帮我制定学习计划""我想搞懂 XX""考证/备考""复习"时使用。不是直接讲答案，而是带着走完整的学习循环：定目标→输入→主动回忆→输出→纠错→间隔复习→项目交付。
bookkeeping-cn
中文记账与账目整理助手。当用户要"记账""整理流水""做收支表""对账""分类消费""做预算""看看钱花哪了"时使用。只做数据整理与呈现，不提供税务筹划或投资建议。
chinese-design-md
中式 DESIGN.md 设计系统。当用户要"中国风网页""国风页面""中式设计系统""给项目定个中式风格""DESIGN.md""让 AI 按设计规范生成界面""中文网页排版规范"时使用。提供 8 套可直接丢进项目根目录的 DESIGN.md，AI 读了就按这套规范生成界面。含西文设计系统普遍缺失的中文排版规则。
github-readme-cn
中文开源项目的 README 与仓库门面优化。当用户说"我的开源项目没人看""README 怎么写""GitHub 仓库怎么优化""帮我写 README""项目主页太丑""怎么让别人愿意 star"时使用。基于对 15 个近期高增长仓库的实测数据给出可执行建议，同时明确说明哪些是相关性、哪些无法验证——不承诺涨星。
guofeng-threejs
国风 3D 网页渲染。当用户要"水墨风 3D""中国风网页特效""Three.js 水墨""国风 H5""青绿山水 3D""非真实感渲染 NPR""古风 WebGL"时使用。提供可运行的中式渲染 shader 与实现方法，不是通用 Three.js 教程。
guochao-visual-cn
国潮/国风视觉生成助手。当用户要"国潮风""中国风插画""国漫风格""水墨风""新中式设计""古风头像""国风配图""汉服插画""传统文化海报"时使用。内置 12 种中国美学画风配方，输出可直接复制到 Midjourney/即梦/可灵/Nano Banana 的提示词。
chinese-web-themes
中式网页主题库。当用户要"中国风网页""国风网站样式""古风博客主题""中式配色 CSS""水墨风页面""新中式网页""给网站换个中国风皮肤"时使用。提供 8 套可直接引入的 CSS 主题，内置中文排版规范。
homework-tutor-cn
辅导中国中小学生作业的家长助手。当用户要"辅导作业""孩子这题不会""怎么给孩子讲""检查作业""孩子不想写作业"时使用。重点是教家长怎么引导，而不是直接给答案。
ecommerce-copywriting
生成中文电商商品文案。当用户要"写商品详情""起标题""做卖点提炼""写主图文案""优化转化""写种草文案"时使用。覆盖淘宝/天猫/京东/拼多多/抖音小店/小红书，按平台规则和搜索逻辑组织。
chinese-work-report
生成中文职场汇报材料。当用户要"写周报""做月度总结""述职报告""项目汇报""向老板汇报""做汇报PPT大纲""写工作计划"时使用。按结论先行、数据支撑的中文职场表达习惯组织。
chinese-lesson-plan
生成符合中国中小学规范的教案与配套材料。当用户要"备课""写教案""设计一节课""做课件大纲""出分层作业""写说课稿""评课"时使用。覆盖语文/数学/英语/科学等学科，小学到高中，按新课标的教学目标三维度组织。
chinese-typography
中文排版规范助手。当用户要"排版""中文网页样式""文章排版""公众号排版""PDF/Word 排版""字体怎么选""中英混排""为什么我的中文网页很丑"时使用。处理中英间距、标点、行高、字体栈、CJK 断行等中文特有问题，输出可直接用的 CSS 或排版建议。
ensue-auto-memory
Automatic persistent memory for Claude Code sessions. Activates on preference statements ("I prefer", "I always", "I like"), corrections ("no, don't", "actually"), identity statements ("my name is", "I work at"), project decisions, or when the system detects memory-related context. Works invisibly in the background.
founder-mode
This skill should be used when the user invokes /founder-mode or asks for a pragmatic staff/principal founder-engineer perspective on a task, decision, design, refactor, or brainstorming session. It applies Lean Startup (Ries) and Good Strategy Bad Strategy (Rumelt) discipline - diagnosis before solutions, cheapest falsifying experiment, small batches, leverage points - to whatever the user scopes it to.
pragmatic-pr-review
Review a GitHub pull request with a ship-oriented lens that protects security and extendability without applying book rules the codebase does not follow. This skill should be used when asked to review a PR, leave review comments, resolve review threads, verify that feedback was addressed, or approve a PR, and the reviewer wants a pragmatic judgment weighing developer and end-user experience rather than an exhaustive defect list. Covers gathering the diff, verifying claims against code, ranking findings by act-now vs defer vs accept, comment discipline, and the gh/GraphQL mechanics.
security-bluebook-builder
Create or refine a concise, normative security policy ("Blue Book") for sensitive applications. Use when users need a threat model, data classification rules, auth/session policy, logging and audit requirements, retention/deletion expectations, incident response, or security gates for apps handling PII/PHI/financial data.
typst
Write and create Typst documents (.typ files). Use when the user asks to create, write, edit, or convert documents to Typst format, write Typst markup, create academic papers, reports, or documents in Typst, convert LaTeX to Typst, or work with .typ files. Typst is a modern markup-based typesetting system alternative to LaTeX.
skill-reviewer
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skill-builder
Create new Claude Code skills with best practices. Use when user wants to create, extract, or build a new skill. Provides templates and GitHub automation. Trigger phrases include "create a skill", "build a skill", "extract a skill", "new skill", "/skill-builder".
kotlin-ktor
Ktor framework - routing, authentication, WebSockets
kotlin-testing
Kotlin testing - JUnit 5, MockK, Kotest, coroutine testing
kotlin-multiplatform
Kotlin Multiplatform - shared code, expect/actual, iOS integration
kotlin-di
Dependency Injection - Hilt, Koin, scopes, testing
kotlin-coroutines
Kotlin coroutines - structured concurrency, Flows, exception handling
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