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.
agent-skills
Author and improve Agent Skills following the agentskills.io specification. Use when creating new SKILL.md files, modifying existing skills, reviewing skill quality, or organizing skill directories with proper naming, descriptions, and progressive disclosure.
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.
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.
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.
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.
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.
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
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.
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.
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).