tan-yong-sheng

Use playwright-cli to capture full-page screenshots, navigate complex flows, run Lighthouse audits, and test responsive design without writing code

Use this skill when verifying WCAG 2.1/3.0 compliance, mapping accessibility violations to specific criteria, or providing remediation guidance with code examples

Use when validating design system token compliance, detecting visual regressions, or analyzing responsive design consistency across breakpoints and modes

Use this skill when aggregating design audit findings across multiple dimensions, deduplicating related issues, or synthesizing results into executive summaries with remediation roadmaps

Use this skill when assessing design system maturity, evaluating adoption health, analyzing component duplication, or calculating design debt ratios

Analyze images and videos with AI vision models. Detect objects with bounding boxes, compare multiple images, audit design compliance, and analyze video content using Google Gemini or Vertex AI. Supports CLI and MCP modes.

USE THIS SKILL whenever any topic related to access control, authorization, permissions, or security policy arises in any form. Triggers include — but are not limited to: RBAC, ABAC, PBAC, ACL, DAC, ReBAC, Zanzibar, OPA, Cedar, Casbin, SpiceDB, OpenFGA, Permify, Oso, Cerbos, Permit.io; any mention of "who can do what", "role", "permission", "policy", "authorization", "multi-tenant access", "least privilege", "Zero Trust", "IAM design", "SaaS permission modeling", "access audit", "compliance access control" (HIPAA, GDPR, SOC2, PCI-DSS, ISO27001); also trigger when designing any new feature that controls what users can see or do, or when reviewing, refactoring, or debugging any auth/authz system. When in doubt — trigger this skill. Access control is architectural and getting it wrong is expensive.

REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.

You are a Python project architecture expert specializing in scaffolding production-ready Python applications. Generate complete project structures with modern tooling (uv, FastAPI, Django), type hint

Create distributable Python packages with proper project structure, setup.py/pyproject.toml, and publishing to PyPI. Use when packaging Python libraries, creating CLI tools, or distributing Python code.

Profile and optimize Python code using cProfile, memory profilers, and performance best practices. Use when debugging slow Python code, optimizing bottlenecks, or improving application performance.

Master Python 3.12+ with modern features, async programming, performance optimization, and production-ready practices. Expert in the latest Python ecosystem including uv, ruff, pydantic, and FastAPI. Use PROACTIVELY for Python development, optimization, or advanced Python patterns.

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices.

Create and edit hierarchical mindmap to organize ideas and visualize concepts using specific JSON structures. Automatically handles common syntax pitfalls (list syntax conflicts) to ensure diagrams render correctly in TriliumNext Note / Trilium Note.

Transform text content into professional Mermaid diagrams for presentations and documentation. Use when users ask to visualize concepts, create flowcharts, or make diagrams from text. Supports process flows, system architectures, comparisons, mindmaps, and more with built-in syntax error prevention.

Generate Excalidraw diagrams from text content for Trilium Notes. Use when user asks to create diagrams, flowcharts, mind maps, or visual representations. Triggers on "Excalidraw", "Diagram", "Flowchart", "Mind Map", "Visualize".

Create multiple worktrees with the same implementation spec, then dispatch subagents to execute them in parallel and compare results. Use when the user says "task variants", "try variants", "run variants", "compare implementations", "best of n", "compare approaches", or "same spec, different models". Requires pi-subagents installed. Composes with git-worktree-task-dispatch: dispatch the variants to execute, then compare results.

Dispatch parallel subagents to implement git-worktree-spec.md files across persistent worktrees. Use when the user wants to execute all worktree specs in parallel, implement multiple branches at once, dispatch agents to worktrees, or batch-run feature specs. Also accepts --model to use a specific model for all agents (e.g. after running git-worktree-task-variants, use that winning model for all worktrees). Triggers on "implement all worktrees", "run all specs", "dispatch to worktrees", "parallelize implementation".

Use when the user wants to break a project into independent parallel workstreams. Analyzes the repo, proposes a split plan with branches and specs, and creates persistent worktrees with the bundled script. Triggers on "break this down", "tasks breakdown", "split this work", "parallelize", "work on X and Y in parallel", or when they want to plan multiple features or branches.

Guides you through adding a new Cloudflare Workers AI text-to-image model. Covers updating backend model configuration, frontend dropdowns, and creating documentation. Includes instructions for parameter setup, supported tasks, usage examples, and deployment.

UI/UX design intelligence. 67 styles, 96 palettes, 56 font pairings, 25 charts, 13 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .html, .tsx, .vue, .svelte. Elements: button, modal, navbar, sidebar, card, table, form, chart. Styles: glassmorphism, claymorphism, minimalism, brutalism, neumorphism, bento grid, dark mode, responsive, skeuomorphism, flat design. Topics: color palette, accessibility, animation, layout, typography, font pairing, spacing, hover, shadow, gradient. Integrations: shadcn/ui MCP for component search and examples.

CRITICAL: Use for Rust news and daily/weekly/monthly reports. Triggers on: rust news, rust daily, rust weekly, TWIR, rust blog, Rust 日报, Rust 周报, Rust 新闻, Rust 动态

Use when asking about Rust versions or crate info. Keywords: latest version, what's new, changelog, Rust 1.x, Rust release, stable, nightly, crate info, crates.io, lib.rs, docs.rs, API documentation, crate features, dependencies, which crate, what version, Rust edition, edition 2021, edition 2024, cargo add, cargo update, 最新版本, 版本号, 稳定版, 最新, 哪个版本, crate 信息, 文档, 依赖, Rust 版本, 新特性, 有什么特性

Search the web or scrape webpages via Serper using the plugin runtime script at skills/serper/scripts/run-serper.js.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Mistral AI CLI. OCR (PDFs local/URL), TTS (text→speech w/ voice cloning), STT (audio→text w/ diarization). List voices/languages. Config API key, base URL, model. Outputs markdown w/ YAML frontmatter.