Agent Skills

io.github.mono/SkiaSharp/api-add-review

Add new C# APIs to SkiaSharp by wrapping Skia C++ functionality, or review existing API PRs for correctness and style. Two workflows: (1) Add: C++ analysis → C API → bindings → C# wrapper → tests → review (2) Review: check naming, Span overloads, properties, tests, interop safety. Triggers: - "add DrawFoo method", "expose SkSurface::draw", "wrap sk_foo_bar" - "add API", "expose function", "wrap method", "create binding for" - "review this API", "check the API surface", "review PR #NNN for API design" - Issue classified as "New API" (after fetching and classification)

io.github.javimosch/supercli/quickstart

Use this skill when the user wants to css generator for transforming user interfaces from design tokens.

io.github.gnurio/refactoring-ui-plugin/meta-refactor-ui

Analyze a design against all 10 Refactoring UI skills and generate a comprehensive assessment with specific fixes

io.github.bighardperson/computer-science-skills-collection/automation-workflows

Design and implement automation workflows to save time and scale operations as a solopreneur. Use when identifying repetitive tasks to automate, building workflows across tools, setting up triggers and actions, or optimizing existing automations. Covers automation opportunity identification, workflow design, tool selection (Zapier, Make, n8n), testing, and maintenance. Trigger on "automate", "automation", "workflow automation", "save time", "reduce manual work", "automate my business", "no-code automation".

io.github.easychen/opc-methodology/opc-business-model-design

Design a viable business model for a one-person company using Lean Canvas and a simplified Business Model Canvas. Use when Codex needs to explain the business-model concepts when needed, verify niche and value-proposition prerequisites, ask one question at a time, present multiple model choices, and write user-confirmed outputs into `opc-doc/`.

io.github.mindfold-ai/Trellis/python-design

Python design patterns for CLI scripts and utilities — type-first development, deep modules, complexity management, and red flags. Use when reading, writing, reviewing, or refactoring Python files, especially in .trellis/scripts/ or any CLI/scripting context. Also activate when planning module structure, deciding where to put new code, or doing code review.

io.github.open-edge-platform/anomalib/fastapi-rest-api-design

Designs and reviews REST APIs for FastAPI services using consistent resource naming, HTTP semantics, validation, security, and error handling patterns. Use for backend API tasks, endpoint design/refactors, or API review requests in FastAPI/Python projects.

io.github.HoangNguyen0403/agent-skills-standard/database-mongodb

Apply expert schema design, indexing, and performance rules for MongoDB. Use when designing MongoDB schemas, creating indexes, or optimizing NoSQL query performance.

io.github.HoangNguyen0403/agent-skills-standard/nextjs-architecture

Structure Next.js projects with Feature-Sliced Design layers, domain-grouped slices, and strict import hierarchy. Use when organizing features into FSD layers, enforcing slice boundaries, or keeping page.tsx thin.

io.github.xiaolai/vmark/css-design-tdd

Test-driven CSS design system modifications. Run checks before/after CSS changes to verify token usage, variable definitions, fallbacks, and consistency. Use when modifying CSS tokens, fixing design inconsistencies, or auditing CSS architecture.

io.github.openai/plugins/metric-pack-designer

Design custom metric packs for plugin-eval so teams can add local evaluation rubrics that emit schema-compatible checks and metrics. Use when the user wants their own evaluation criteria or visualizations.

io.github.majiayu000/claude-skill-registry-data/css-tokens

Provides foundational CSS design tokens (custom properties) for typography, spacing, colors, borders, z-index, and transitions. Use when setting up a base token system for a web project.

io.github.majiayu000/claude-skill-registry-data/css-styling

Write modern, maintainable CSS using best practices for layouts, responsive design, animations, and CSS architecture. Use when styling websites, fixing CSS issues, or implementing designs.

io.github.majiayu000/claude-skill-registry-data/css

Expert-level CSS development with modern features and best practices. Use when asked to (1) write or debug CSS, (2) implement layouts with flexbox, grid, or container queries, (3) create animations and transitions, (4) optimize CSS performance, (5) work with CSS preprocessors or CSS-in-JS, (6) implement responsive design, or when phrases like "style", "CSS", "stylesheet", "design", "layout", "animation" appear.

io.github.majiayu000/claude-skill-registry-data/css-flexbox-grid

Master Flexbox and CSS Grid layouts for modern responsive design

io.github.majiayu000/claude-skill-registry-data/css-expert

Expert in modern CSS (cascade layers, OKLCH, container queries, defensive patterns). Use for CSS implementation, styling, layout, colors, typography, responsive design, and UI components.

io.github.majiayu000/claude-skill-registry-data/automation-tester

Core QA engineering mindset for test planning and prioritization. Use when analyzing what to test, designing test cases, prioritizing by risk, or determining coverage strategy. Triggers on "what should I test", "test strategy", "coverage", "prioritize tests", "design test cases", "P0 P1 P2".

io.github.anthropics/skills/mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

io.github.majiayu000/claude-skill-registry-data/css-design-token-enforcer-endlessblink-flow-state

Systematically find and replace ALL hardcoded hex values with proper CSS design tokens to ensure complete color consistency across the Pomo-Flow application. This skill addresses the critical issue of yellow vs orange medium priority colors by enforcing a unified design token system based on industry best practices from Atlassian, Salesforce, and enterprise design systems.

io.github.microsoft/skills/mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP), Node/TypeScript (MCP SDK), or C#/.NET (Microsoft MCP SDK).

io.github.majiayu000/claude-skill-registry-data/css-standards

CSS coding standards for Oh My Brand! theme. BEM methodology, custom properties, theme.json integration, responsive design, and accessibility. Use when styling blocks, templates or components.

io.github.gsd-build/gsd-2/api-design

Design or review an HTTP/REST/GraphQL API for versioning, pagination, error shapes, idempotency, auth, and evolvability. Use when asked to "design an API", "shape the endpoints", "design the schema", "add a new endpoint", "review this API", or when building/modifying a public or internal HTTP surface. Complements `design-an-interface` (which is interface-agnostic) by covering HTTP-specific concerns like status codes, cache headers, and breaking-change management.

io.github.gsd-build/gsd-2/design-an-interface

Produce 3+ radically different designs for a module, API, or interface, compare them in prose, and synthesize a recommendation. Use when asked to "design an interface", "shape this API", "design it twice", "explore module boundaries", or when planning a new deep module and the first idea is unlikely to be the best. Based on "Design It Twice" from A Philosophy of Software Design — the value is the contrast, not the first draft.

io.github.MiniMax-AI/skills/frontend-dev

Full-stack frontend development combining premium UI design, cinematic animations, AI-generated media assets, persuasive copywriting, and visual art. Builds complete, visually striking web pages with real media, advanced motion, and compelling copy. Use when: building landing pages, marketing sites, product pages, dashboards, generating media assets (image/video/audio/music), writing conversion copy, creating generative art, or implementing cinematic scroll animations.