SkillPopularAuto-invoked
Development
brainstorming
You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent,…
@obraView SkillClaude Code Development skills :)
Flowy lists 950 skills in the Development category for Claude Code, across 21 plugins. A skill is a folder of instructions an agent loads while you work. Every one here shows what is inside before you install, who wrote it, and whether it is Auto-invoked, meaning a FLOW.md router fires it as you prompt.
Showing 96 of 950
@obraView SkillSkillPopularAuto-invoked
Development
ask-matt
Ask which skill or flow fits your situation. A router over the skills in this repo.
@mattpocockView SkillSkillPopularAuto-invoked
Development
algorithmic-art
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code,…
@anthropicsView SkillSkillPopular
Development
ponytail
Forces the laziest solution that actually works, simplest, shortest, most minimal. Channels a senior dev who has seen everything: question whether the task…
@dietrichgebertView SkillSkillPopularAuto-invoked
Development
api-and-interface-desi…
Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints,…
@addyosmaniView SkillSkillPopular
Development
understand
Analyze a codebase to produce an interactive knowledge graph for understanding architecture, components, and relationships
@egonex-aiView SkillSkill
Development
ab-test-setup
When the user wants to plan, design, or implement an A/B test or experiment. Also use when the user mentions "A/B test," "split test," "experiment," "test this…
@davila7View SkillSkillAuto-invoked
Development
composition-patterns
Composition patterns for building flexible, maintainable React components. Avoid boolean prop proliferation by using compound components, lifting state, and…
@vercel-labsView SkillSkill
Development
a11y-audit
Accessibility audit skill for scanning, fixing, and verifying WCAG 2.2 Level A and AA compliance across React, Next.js, Vue, Angular, Svelte, and plain HTML…
@alirezarezvaniView SkillSkill
Development
angular-architect
Generates Angular 17+ standalone components, configures advanced routing with lazy loading and guards, implements NgRx state management, applies RxJS patterns,…
@jeffallanView SkillSkill
Development
eas-app-stores
EAS service (paid). Deploy Expo apps to the app stores with EAS - build and submit to the iOS App Store, Google Play Store, and TestFlight, configure eas.json…
@expoView SkillSkill
Development
blueprint
Use when the deliverable is WordPress Playground Blueprint JSON or a Blueprint bundle, including creating, editing, reviewing, validating schema keys, choosing…
@wordpressView SkillSkill
Skill
Development
ios-simulator-skill
29 production-ready scripts for iOS app testing, building, and automation. Provides semantic UI navigation, build automation, accessibility testing, and…
@conorluddyView SkillSkill
Development
ai-image-generator
Generate AI images using Gemini or GPT APIs directly. Covers model selection (Gemini for scenes; GPT Image 2 for text rendering, batch variations,…
@jezwebView SkillSkill
Development
finding-duplicate-func…
Use when auditing a codebase for semantic duplication - functions that do the same thing but have different names or implementations. Especially useful for…
@obra-2View SkillSkill
Development
analytics-metrics
Build data visualization and analytics dashboards. Use when creating charts, KPI displays, metrics dashboards, or data visualization components. Triggers on…
@hoodiniView SkillSkill
Development
aceternity-ui
100+ animated React components (Aceternity UI) for Next.js with Tailwind. Use for hero sections, parallax, 3D effects, or encountering animation, shadcn CLI…
@secondskyView SkillSkill
Development
design-systems
Bold aesthetic direction guidance for web design. Use when making creative decisions about typography, color, motion, spatial composition, and overall visual…
@automatticView SkillSkill
Development
apollo-client
Guide for building React applications with Apollo Client 4.x. Use this skill when: (1) setting up Apollo Client in a React project, (2) writing GraphQL queries…
@apollographqlView SkillSkill
Development
activity-report-compos…
Use when the user asks for a client report, a monthly or activity report, a case study draft, or says 'what did i ship this month'. Turns the site audit log…
@respira-pressView SkillSkillPopularAuto-invoked
Development
dispatching-parallel-a…
Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies
@obraView SkillSkillPopularAuto-invoked
Development
code-review
Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes — Standards (does the code follow this repo's documented coding…
@mattpocockView SkillSkillPopularAuto-invoked
Development
brand-guidelines
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand…
@anthropicsView SkillSkillPopular
Development
ponytail-audit
Whole-repo audit for over-engineering. Like ponytail-review, but scans the entire codebase instead of a diff: a ranked list of what to delete, simplify, or…
@dietrichgebertView SkillSkillPopularAuto-invoked
Development
browser-testing-with-d…
Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser. Use when you need to inspect the DOM, capture…
@addyosmaniView SkillSkillPopular
Development
understand-chat
Use when you need to ask questions about a codebase or understand code using a knowledge graph
@egonex-aiView SkillSkill
Development
academic-cv-builder
Format CVs for academic positions, including publications, grants, teaching, and research experience. Use when the user mentions academic CV, faculty job,…
@davila7View SkillSkillAuto-invoked
Development
deploy-to-vercel
Deploy applications and websites to Vercel. Use when the user requests deployment actions like "deploy my app", "deploy and give me the link", "push this…
@vercel-labsView SkillSkill
Development
adversarial-reviewer
Adversarial code review that breaks the self-review monoculture. Use when you want a genuinely critical review of recent changes, before merging a PR, or when…
@alirezarezvaniView SkillSkill
Development
api-designer
Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for resource modeling, versioning strategies,…
@jeffallanView SkillSkill
Development
eas-hosting
EAS service (paid). Deploy Expo websites and Expo Router API routes to EAS Hosting - export the web bundle, run eas deploy for production and PR preview URLs,…
@expoView SkillSkill
Development
wordpress-router
Use when the user asks about WordPress codebases (plugins, themes, block themes, Gutenberg blocks, WP core checkouts) and you need to quickly classify the repo…
@wordpressView SkillSkill
Skill
Development
app-docs
Generate complete user documentation for a web app with screenshots. Browses the app via browser automation, screenshots every screen, and produces a…
@jezwebView SkillSkill
Development
mcp-cli
Use MCP servers on-demand via the mcp CLI tool - discover tools, resources, and prompts without polluting context with pre-loaded MCP integrations
@obra-2View SkillSkill
Development
aws-account-management
Manage AWS accounts, organizations, IAM, and billing. Use when setting up AWS Organizations, managing IAM policies, controlling costs, or implementing…
@hoodiniView SkillSkill
Development
api-authentication
Secure API authentication with JWT, OAuth 2.0, API keys. Use for authentication systems, third-party integrations, service-to-service communication, or…
@secondskyView SkillSkill
Development
site-specification
Extract comprehensive site specifications from simple descriptions. Use when analyzing a user's theme request to determine site type, audience, tone, layout…
@automatticView SkillSkill
Development
apollo-connectors
Guide for integrating REST APIs into GraphQL supergraphs using Apollo Connectors with @source and @connect directives. Use this skill when the user: (1)…
@apollographqlView SkillSkill
Development
brand-voice-synthesize…
Use when the user says 'extract my brand voice', 'what is my writing style', or 'analyze my tone', or before any skill that writes copy for the site. Reads…
@respira-pressView SkillSkillPopularAuto-invoked
Development
executing-plans
Use when you have a written implementation plan to execute in a separate session with review checkpoints
@obraView SkillSkillPopularAuto-invoked
Development
codebase-design
Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a…
@mattpocockView SkillSkillPopularAuto-invoked
Development
canvas-design
Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art,…
@anthropicsView SkillSkillPopular
Development
ponytail-debt
Harvest every `ponytail:` comment in the codebase into a debt ledger, so the deliberate shortcuts and deferrals ponytail leaves behind get tracked instead of…
@dietrichgebertView SkillSkillPopularAuto-invoked
Development
ci-cd-and-automation
Automates CI/CD pipeline setup. Use when setting up or modifying build and deployment pipelines. Use when you need to automate quality gates, configure test…
@addyosmaniView SkillSkillPopular
Development
understand-dashboard
Launch the interactive web dashboard to visualize a codebase's knowledge graph
@egonex-aiView SkillSkill
Development
agent-evaluation
Testing and benchmarking LLM agents including behavioral testing, capability assessment, reliability metrics, and production monitoring—where even top agents…
@davila7View SkillSkillAuto-invoked
Development
react-best-practices
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js…
@vercel-labsView SkillSkill
Development
agent-designer
Use when the user asks to design a multi-agent system, pick an orchestration pattern (supervisor/swarm/pipeline), generate tool schemas for agents, or evaluate…
@alirezarezvaniView SkillSkill
Development
architecture-designer
Use when designing new high-level system architecture, reviewing existing designs, or making architectural decisions. Invoke to create architecture diagrams,…
@jeffallanView SkillSkill
Development
eas-observe
EAS service (paid). Use for anything related to EAS Observe - adding `expo-observe` to an Expo project (AppMetricsRoot/ObserveRoot HOC, markInteractive, the…
@expoView SkillSkill
Development
wp-abilities-api
Use when working with the WordPress Abilities API (wp_register_ability, wp_register_ability_category, /wp-json/wp-abilities/v1/*, @wordpress/abilities)…
@wordpressView SkillSkill
Skill
Development
aussie-business-englis…
Australian business English for professional writing — warm, direct, EN-AU spelling (colour, organise, centre), no filler words. Use whenever the user is…
@jezwebView SkillSkill
Development
using-tmux-for-interac…
Use when you need to run interactive CLI tools (vim, git rebase -i, Python REPL, etc.) that require real-time input/output - provides tmux-based approach for…
@obra-2View SkillSkill
Development
aws-harness
Build a new AI agent on AWS and deploy it easily, OR wrap and deploy an agent you already have, using the Amazon Bedrock AgentCore harness. Explains what an…
@hoodiniView SkillSkill
Development
api-changelog-versioni…
Creates comprehensive API changelogs documenting breaking changes, deprecations, and migration strategies for API consumers. Use when managing API versions,…
@secondskyView SkillSkill
Development
wordpress-block-themin…
WordPress Full Site Editing (FSE) theme architecture. Use when generating theme.json, block templates, template parts, patterns, and functions.php for…
@automatticView SkillSkill
Development
apollo-federation
Guide for authoring Apollo Federation subgraph schemas. Use this skill when: (1) creating new subgraph schemas for a federated supergraph, (2) defining or…
@apollographqlView SkillSkill
Development
build-oxygen6-page
Use when building or rebuilding a page, header, footer, or template on an Oxygen 6 (Jenga) site, or when a previous attempt produced a blank page, one raw HTML…
@respira-pressView SkillSkillPopularAuto-invoked
Development
finishing-a-developmen…
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work
@obraView SkillSkillPopularAuto-invoked
Development
diagnosing-bugs
Diagnosis loop for hard bugs and performance regressions. Use when the user says "diagnose"/"debug this", or reports something broken/throwing/failing/slow.
@mattpocockView SkillSkillPopularAuto-invoked
Development
claude-api
Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER…
@anthropicsView SkillSkillPopular
Development
ponytail-gain
Show ponytail's measured impact as a compact scoreboard: less code, less cost, more speed, from the benchmark medians. One-shot display, not a persistent mode,…
@dietrichgebertView SkillSkillPopularAuto-invoked
Development
code-review-and-qualit…
Conducts multi-axis code review. Use before merging any change. Use when reviewing code written by yourself, another agent, or a human. Use when you need to…
@addyosmaniView SkillSkillPopular
Development
understand-diff
Use when you need to analyze git diffs or pull requests to understand what changed, affected components, and risks
@egonex-aiView SkillSkill
Development
agent-management
Create, manage, and orchestrate AI agents using the AI Maestro CLI. Use when the user asks to "create agent", "list agents", "delete agent", "hibernate agent",…
@davila7View SkillSkillAuto-invoked
Development
react-native-skills
Comprehensive best practices for React Native and Expo applications. Contains rules across multiple categories covering performance, animations, UI patterns,…
@vercel-labsView SkillSkill
Development
agent-harness
Turn any domain folder of skills into a bounded agentic loop: compile a goal into a verifiable task plan, execute tasks with the domain's own tools, verify…
@alirezarezvaniView SkillSkill
Development
atlassian-mcp
Integrates with Atlassian products to manage project tracking and documentation via MCP protocol. Use when querying Jira issues with JQL filters, creating and…
@jeffallanView SkillSkill
Development
eas-simulator
EAS service (paid). Run and control a user's app on a remote iOS/Android simulator hosted on EAS cloud. Read before running any `eas simulator:*` commands - it…
@expoView SkillSkill
Development
wp-abilities-audit
Audit a WordPress plugin's REST surface and produce a standardized audit document proposing Abilities API registrations. Produces a markdown doc with a YAML…
@wordpressView SkillSkill
Skill
Development
award-application
Write compelling award submissions, grant applications, and competition entries. Maps achievements to selection criteria using evidence-based narratives. Use…
@jezwebView SkillSkill
Development
windows-vm
Create, manage, or connect to a headless Windows 11 VM running in Docker with SSH access. Use when the user wants to spin up, stop, restart, or SSH into a…
@obra-2View SkillSkill
Development
aws-strands
Build AI agents with the Strands Agents SDK - the open-source framework (the agent "brain") for writing agent logic, tools, and multi-agent systems in Python.…
@hoodiniView SkillSkill
Development
api-contract-testing
Verifies API contracts between services using consumer-driven contracts, schema validation, and tools like Pact. Use when testing microservices communication,…
@secondskyView SkillSkill
Development
apollo-ios
Guide for building Apple-platform applications with Apollo iOS, the strongly-typed GraphQL client for Swift. Use this skill when: (1) adding Apollo iOS to a…
@apollographqlView SkillSkill
Development
content-portability
Use when the user says 'export my site', 'backup my pages before editing', 'download my content locally', or 'migrate content to my other site'. Exports pages,…
@respira-pressView SkillSkillPopularAuto-invoked
Development
receiving-code-review
Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical…
@obraView SkillSkillPopularAuto-invoked
Development
domain-modeling
Build and sharpen a project's domain model. Use when the user wants to pin down domain terminology or a ubiquitous language, record an architectural decision,…
@mattpocockView SkillSkillPopularAuto-invoked
Development
doc-coauthoring
Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision…
@anthropicsView SkillSkillPopular
Development
ponytail-help
Quick-reference card for all ponytail modes, skills, and commands. One-shot display, not a persistent mode. Trigger: /ponytail-help, "ponytail help", "what…
@dietrichgebertView SkillSkillPopularAuto-invoked
Development
code-simplification
Simplifies code for clarity. Use when refactoring code for clarity without changing behavior. Use when code works but is harder to read, maintain, or extend…
@addyosmaniView SkillSkillPopular
Development
understand-domain
Extract business domain knowledge from a codebase and generate an interactive domain flow graph. Works standalone (lightweight scan) or derives from an…
@egonex-aiView SkillSkill
Development
agent-manager-skill
Manage multiple local CLI agents via tmux sessions (start/stop/monitor/assign) with cron-friendly scheduling.
@davila7View SkillSkillAuto-invoked
Development
react-view-transitions
Guide for implementing smooth, native-feeling animations using React's View Transition API (`<ViewTransition>` component, `addTransitionType`, and CSS view…
@vercel-labsView SkillSkill
Development
agent-protocol
Inter-agent communication protocol for C-suite agent teams. Defines invocation syntax, loop prevention, isolation rules, and response formats. Use when C-suite…
@alirezarezvaniView SkillSkill
Development
chaos-engineer
Designs chaos experiments, creates failure injection frameworks, and facilitates game day exercises for distributed systems — producing runbooks, experiment…
@jeffallanView SkillSkill
Development
eas-update-insights
EAS service (paid). Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded…
@expoView SkillSkill
Development
wp-abilities-verify
Verify a WordPress plugin's Abilities API registrations: enumerate abilities, check that callback behavior matches each annotation's claim (the adversarial…
@wordpressView SkillSkill
Skill
Development
cloudflare-api
Hit the Cloudflare REST API directly for operations that wrangler and MCP can't handle well. Bulk DNS, custom hostnames, email routing, cache purge, WAF rules,…
@jezwebView SkillSkill
Development
bun
Build fast applications with Bun JavaScript runtime. Use when creating Bun projects, using Bun APIs, bundling, testing, or optimizing Node.js alternatives.…
@hoodiniView SkillSkill
Development
api-design-principles
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs,…
@secondskyView Skill854 more in Development. See them all →