This skill enables visual inspection and validation of website design quality, identifying and fixing issues at the source code level.

'Find and explore Windows desktop APIs. Use when building features that need platform capabilities — camera, file access, notifications, UI controls, AI/ML, sensors, networking, etc. Discovers the right API for a task and retrieves full type details (methods, properties, events, enumeration values).'

'Write a coding standards document for a project using the coding styles from the file(s) and/or folder(s) passed as arguments in the prompt.'

deep-research

Create, parse, and control Excel files on macOS. Professional formatting with openpyxl, complex xlsm parsing with stdlib zipfile+xml for investment bank financial models, and Excel window control via AppleScript. Use when creating formatted Excel reports, parsing financial models that openpyxl cannot handle, or automating Excel on macOS.

One-stop installer and companion for the full Gangtise (岗底斯投研) OpenAPI skill suite — 19 official skills covering data retrieval (OHLC 行情, 财务, 估值, 研报, 首席观点, 会议纪要, 调研纪要), research workflows (个股研究 L1-L4, 观点 PK 对抗性分析, 主题研究, 事件复盘), and utility (股票池管理, 公开网页搜索). Zero-config install to Claude Code / OpenClaw / Codex with 4 preset modes (full / workshop / minimal / custom), guides accessKey + secretAccessKey setup with a live validation call against open.gangtise.com, and ships a read-only diagnostic script. Use this skill whenever the user mentions Gangtise, 岗底斯, gangtise-data, gangtise-kb, gangtise-file, gangtise-data-client, gangtise-kb-client, gangtise-file-client, gangtise-stock-research, gangtise-opinion-pk, installing any gangtise-* skill, configuring its credentials, or reports errors like 'token is invalid', '接口地址错误', 'the uri can't be accessed'. This is a wrapper around Gangtise's official skills — it installs and orchestrates them rather than replacing them.

Strategic guide for becoming an effective GitHub contributor. Covers opportunity discovery, project selection, high-quality PR creation, and reputation building. Use when looking to contribute to open-source projects, building GitHub presence, or learning contribution best practices.

Analyze and reclaim macOS disk space through intelligent cleanup recommendations. This skill should be used when users report disk space issues, need to clean up their Mac, or want to understand what's consuming storage. Focus on safe, interactive analysis with user confirmation before any deletions.

This skill should be used when establishing comprehensive QA testing processes for any software project. Use when creating test strategies, writing test cases following Google Testing Standards, executing test plans, tracking bugs with P0-P4 classification, calculating quality metrics, or generating progress reports. Includes autonomous execution capability via master prompts and complete documentation templates for third-party QA team handoffs. Implements OWASP security testing and achieves 90% coverage targets.

Install, troubleshoot, and use Scrapling CLI to extract HTML, Markdown, or text from webpages. Use this skill whenever the user mentions Scrapling, `uv tool install scrapling`, `scrapling extract`, WeChat/mp.weixin articles, browser-backed page fetching, or needs help deciding between static and dynamic extraction.

Reviews and improves Claude Code skills against official best practices. Supports three modes - self-review (validate your own skills), external review (evaluate others' skills), and auto-PR (fork, improve, submit). Use when checking skill quality, reviewing skill repositories, or contributing improvements to open-source skills.

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claude-md-progressive-disclosurer

marketplace-dev

Convert documents to high-quality markdown with intelligent multi-tool orchestration and automatic DOCX post-processing.

meeting-minutes-taker

Extracts Mermaid diagrams from markdown files and generates high-quality PNG images using bundled scripts. Activates when working with Mermaid diagrams, converting diagrams to PNG, extracting diagrams from markdown, or processing markdown files with embedded Mermaid code.

Two-phase correction pipeline: deterministic dictionary rules (instant, free) followed by AI-powered error detection. Corrections accumulate in `~/.transcript-fixer/corrections.db`, improving accuracy

Diagnose and fix conflicts when Tailscale coexists with proxy/VPN tools on macOS, with specific guidance for SSH access to WSL instances.

Extract design systems from reference UI images and generate implementation-ready UI design prompts. Use when users provide UI screenshots/mockups and want to create consistent designs, generate design systems, or build MVP UIs matching reference aesthetics.

Diagnose Windows App (Microsoft Remote Desktop / Azure Virtual Desktop / W365) connection quality issues on macOS. Analyze transport protocol selection (UDP Shortpath vs WebSocket), detect VPN/proxy interference with STUN/TURN negotiation, and parse Windows App logs for Shortpath failures. This skill should be used when VDI connections are slow, when transport shows WebSocket instead of UDP, when RDP Shortpath fails to establish, or when RTT is unexpectedly high.

Download YouTube videos and HLS streams (m3u8) from platforms like Mux, Vimeo, etc. using yt-dlp and ffmpeg. Use this skill when users request downloading videos, extracting audio, handling protected streams with authentication headers, or troubleshooting download issues like nsig extraction failures, 403 errors, or cookie extraction problems.

Node.js package manager with strict dependency resolution. Use when running pnpm specific commands, configuring workspaces, or managing dependencies with catalogs, patches, or overrides.

A complete system for building profitable software products without bloat, bureaucracy, or burnout. Over fifteen years, 37signals distilled their approach into three books: *Getting Real* (2006) estab

A disciplined approach to writing code that communicates intent, minimizes surprises, and welcomes change. Apply these principles when writing new code, reviewing pull requests, refactoring legacy sys

A principled approach to building reliable, scalable, and maintainable data systems. Apply these principles when choosing databases, designing schemas, architecting distributed systems, or reasoning a

Framework for tackling software complexity by modeling code around the business domain. Based on a fundamental truth: the greatest risk in software is not technical failure -- it is building a model t

A systematic approach to web performance optimization grounded in how browsers, protocols, and networks actually work. Apply these principles when building frontend applications, reviewing performance

Framework for designing products that reliably change behavior. Based on a fundamental truth: behavior is not about willpower or motivation—it is a design problem with a predictable equation.

Framework for building products customers love by structuring empowered teams that solve hard problems through continuous discovery and delivery. Based on a fundamental truth: the best product compani

A practice-driven approach to user experience design that replaces heavy deliverables with rapid experimentation, cross-functional collaboration, and continuous learning. Based on a fundamental truth:

A systems-level approach to software craftsmanship from Hunt & Thomas' "The Pragmatic Programmer" (20th Anniversary Edition). Apply these principles when designing systems, reviewing architecture, wri

A disciplined approach to improving the internal structure of existing code without changing its observable behavior. Apply these named transformations when reviewing code, reducing technical debt, or

Framework for designing, deploying, and operating production-ready software systems. Based on a fundamental truth: the software that passes QA is not the software that survives production. Production

A practical framework for managing the fundamental challenge of software engineering: complexity. Apply these principles when designing modules, reviewing APIs, refactoring code, or advising on archit

A structured approach to designing large-scale distributed systems. Apply these principles when architecting new services, reviewing system designs, estimating capacity, or preparing for system design

Practical usability principles for evaluating and improving user interfaces. Based on a fundamental truth: users don't read, they scan. They don't make optimal choices, they satisfice. They don't figu

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