adversarial-code-review
Review code through hostile perspectives to find bugs, security issues, and unintended consequences the author missed. Use when reviewing PRs, auditing codebases, or before critical deployments.
beautiful-mermaid
Render Mermaid diagrams as SVG and PNG using the Beautiful Mermaid library. Use when the user asks to render a Mermaid diagram.
customizing-opencode
Configure OpenCode via opencode.json, agents, commands, MCP servers, custom tools, plugins, themes, keybinds, and permissions. Use when setting up or modifying OpenCode configuration.
index-knowledge
Generate hierarchical AGENTS.md knowledge base for a codebase. Creates root + complexity-scored subdirectory documentation. Use when running /init, onboarding to a new codebase, bootstrapping project documentation, or regenerating stale AGENTS.md files.
ralph-prd
Generate structured prd.json files for autonomous agent loops (Ralph Wiggum pattern). Use when planning bulk/batch tasks, migrations, refactoring campaigns, or any work that can be decomposed into independent items with verification steps.
refactoring-code
Improve code structure while preserving behavior with test verification. Use when cleaning up code, reducing duplication, simplifying complexity, or reorganizing modules.
remotion-best-practices
Best practices for Remotion - Video creation in React
swiftui-expert-skill
Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, modern APIs, Swift concurrency, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns.
plannotator-compound
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agent-browser
Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, or automating any browser task. Triggers include requests to "open a website", "fill out a form", "click a button", "take a screenshot", "scrape data from a page", "test this web app", "login to a site", "automate browser actions", or any task requiring programmatic web interaction.
documenting-code-comments
Standards for writing self-documenting code and best practices for when to write (and avoid) code comments. Use when auditing, cleaning up, or improving inline code documentation.
eslint-plugin
Author custom ESLint plugins and rules with test-driven development. Supports flat config (ESLint 9+) and legacy formats. Uses @typescript-eslint/rule-tester for testing. Covers problem, suggestion, and layout rules including auto-fixers and type-aware rules. Use when creating or modifying ESLint rules, plugins, custom linting logic, or authoring auto-fixers.
explorable-explanations
Build single-file interactive HTML explanations that teach concepts through experimentation — sliders, animations, step-through controls, and multiple visual representations. Use when the user explicitly asks to build an explorable explanation, interactive explanation, or animated walkthrough of a concept.
jscodeshift-codemods
Write and debug AST-based codemods using jscodeshift for automated code transformations. Use when creating migrations, API upgrades, pattern standardization, or large-scale refactoring.
kevinkipp-blog-voice
Write blog posts for kevinkipp.com in Kevin's voice and style. Use this skill when Kevin explicitly asks to write, draft, or edit a blog post — e.g. "write a post about...", "draft a blog post", "help me write something for my blog". Do NOT use for general writing tasks, emails, docs, or other content that isn't specifically a kevinkipp.com blog post.
natural-writing
Write like a human, not a language model. Avoid AI-tell vocabulary, formulaic structures, and hollow emphasis. Apply to ALL written output including prose, documentation, comments, and communication. Use when drafting prose, documentation, comments, or any written output that should sound human.
opensrc
Fetch source code for npm, PyPI, or crates.io packages and GitHub/GitLab repos to provide AI agents with implementation context beyond types and docs. Use when needing to understand how a library works internally, debug dependency issues, or explore package implementations.
skill-creator
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
slidev
Markdown-based presentation slides powered by Vue and Vite. Use when creating slide decks, technical presentations, conference talks, or any presentation that benefits from code highlighting, diagrams, and web technologies.
systematic-debugging
Four-phase debugging framework with root cause tracing - understand the source before proposing fixes. Use when investigating bugs, errors, unexpected behavior, or failed tests.
verification-before-completion
Run verification commands before claiming work is complete or fixed. Use before asserting any task is done, bug is fixed, tests pass, or feature works.
visualizing-with-mermaid
Create professional Mermaid diagrams with proper styling and visual hierarchy. Use when creating flowcharts, sequence diagrams, state machines, class diagrams, or architecture visualizations.
writing-tests
Write behavior-focused tests following Testing Trophy model with real dependencies, avoiding common anti-patterns like testing mocks and polluting production code. Use when writing new tests, reviewing test quality, or improving test coverage.
xcodebuildmcp
Official skill for XcodeBuildMCP. Use when doing iOS/macOS/watchOS/tvOS/visionOS work (build, test, run, debug, log, UI automation).
youtube-captions
Extract captions and transcripts from YouTube videos for agent context. Tries manual subtitles, then auto-generated, then falls back to audio transcription via Whisper. Use when a user provides a YouTube URL and wants to understand, summarize, reference, or search video content.