Claude Code skills, plugins, subagents, slash commands and mcp servers

flutter-add-widget-preview flutter skill Configures interactive Flutter widget previews with package:flutter/widget_previews.dart. Useful for testing UI components in isolation without launching the whole app. CX Codex Cursor GitHub Copilot 36,600installs flutter-setup-localization flutter skill This skill automates initialization of multi-language support in Flutter projects. It adds dependencies, enables code generation, and creates a configuration file for .arb-based translations. CX Codex Cursor GitHub Copilot 36,600installs harness-creator walkinglabs skill Builds, audits, and fixes scaffolding for coding agents. It generates agent instructions, state files, and verification gates to stop task drift. CX Codex Cursor GitHub Copilot 2,300installs paseo-committee getpaseo skill Spawns two agents with contrasting reasoning styles to diagnose a stuck problem, break out of repetitive loops, and synthesize a plan. Useful when you need a fresh perspective and deep root-cause analysis. CX Codex Cursor GitHub Copilot 4,700installs flutter-use-http-package flutter skill This skill shows how to send GET, POST, PUT, and DELETE requests with Flutter's http package and handle JSON responses. Use it when an app needs to read from or write to a REST API. CX Codex Cursor GitHub Copilot 36,000installs create-prd phuryn skill This skill builds a lean PRD from an 8-section template. Use it to define a feature, document product requirements, or review an existing PRD. CX Codex Cursor GitHub Copilot 10,800installs database-migration Seth Hobson skill This skill handles schema and data migrations with Sequelize, TypeORM, and Prisma. Use it when a change needs a rollback plan or a zero-downtime rollout. CX Codex Cursor 17,549installs learn tw93 skill A six-phase research workflow that turns source material into notes, an outline, or a publish-ready draft. Use it for unfamiliar domains and multi-source work. CX Codex Cursor GitHub Copilot 13,100installs podcast-generation bytedance skill Turns articles, reports, or documentation into a two-host conversational podcast and produces an MP3 with an optional transcript. CX Codex Cursor GitHub Copilot 2,400installs google-cloud-storage-basics official google skill This skill helps an agent manage Google Cloud Storage buckets and objects, from file transfers and access control to storage policies. Gemini CLI CX Codex 5,516installs cli-hub-meta-skill HKUDS skill A skill that gives agents a catalog of professional command-line tools built for AI. Search, install, and run CLIs for video, design, AI, and development without leaving your editor. CX Codex Cursor GitHub Copilot 5,300installs google-ads-api-account-diagnostics official google-ads-api-team skill This skill helps investigate falling conversions, low lead volume, and lost Google Ads impressions caused by budget, bids, or ad rank. Gemini CLI CX Codex 5,508installs clean-data-xls official anthropics skill Automates cleanup of messy Excel and Google Sheets data: trims whitespace, unifies case, converts numbers stored as text, standardizes dates, removes duplicates, and flags mixed-type columns. CX Codex Cursor GitHub Copilot 2,100installs 3-statement-model official anthropics skill Fills and links three-statement financial model templates in Excel using formulas across IS, BS, and Cash Flow. CX Codex Cursor GitHub Copilot 2,100installs github-actions-templates Seth Hobson skill This skill creates GitHub Actions workflows for testing, builds, and deployments. Use it when a project needs CI/CD or reusable workflow templates. CX Codex Cursor 17,420installs godot-gdscript-patterns Seth Hobson skill A skill for building Godot 4.x games with GDScript, covering scenes, signals, state management, and architecture. Useful when implementing game systems. CX Codex Cursor 17,396installs attack-tree-construction Seth Hobson skill Builds attack trees to map threat paths, spot defense gaps, and explain security risks. Useful for penetration test planning and architecture reviews. CX Codex Cursor 17,309installs transitions-polish Jakubantalik skill This skill audits existing animations and maps timing, distance, scale, blur, and easing to motion tokens. Use it when motion feels off. CX Codex Cursor GitHub Copilot 10,600installs cloud-monitoring-metric-selection official google skill This skill finds relevant Google Cloud Monitoring metric descriptors for a service or resource. Use it when you need to choose metric types for a monitoring query. Gemini CLI CX Codex 5,453installs codex-result-handling official openai skill A skill that ensures Codex results are presented to you properly. Preserves findings, inferences, file paths, line numbers, and severity order. Blocks automatic code fixes after review—you must approve changes first. CX Codex Cursor GitHub Copilot 675installs release tobi skill This skill manages a project release by checking the changelog, installing git hooks, and updating release versions. Use it when the project has a defined release flow. CX Codex Cursor GitHub Copilot 2,200installs variant jakubkrehel skill This skill builds distinct versions of one UI component and puts them on the page where it will live. Use it to compare design directions before choosing one. CX Codex Cursor GitHub Copilot 14,300installs interview-prep official anthropics skill Builds interview plans with competency-based questions, scoring rubrics, and a debrief template. Useful when preparing structured candidate interviews. CX Codex Cursor GitHub Copilot 3,700installs validate-data official anthropics skill Runs QA checks on data reports, SQL queries, and charts before stakeholder review. Catches calculation bugs, flawed logic, and analytical bias. CX Codex Cursor GitHub Copilot 3,700installs seo-audit official anthropics skill This skill audits a site’s search visibility, pages, technical signals, and competitor content. Use it to identify SEO work and sort findings into priorities. CX Codex Cursor GitHub Copilot 3,700installs prompt-engineer VoltAgent Community subagent This subagent designs, tests, and improves prompts for LLM production systems. Use it when prompts need evaluation, metrics, or cost tracking. 16,078installs google-cloud-solution-agentic-ai-bidirectional-streaming official google skill This skill designs Google Cloud solutions for live, bidirectional multimodal streams handled by AI agents. Use it for real-time technical guidance or safety monitoring. Gemini CLI CX Codex 5,411installs gke-cluster-autoscaler official google skill This skill guides GKE Cluster Autoscaler setup, diagnoses scaling failures, and helps tune node pools and Node Auto Provisioning. Gemini CLI CX Codex 5,404installs img2threejs img2threejs skill Builds a procedural Three.js model from an object or character image. Use it for code-based reconstruction, animation preparation, and staged model generation. CX Codex Cursor GitHub Copilot 2,400installs cmux-customization manaflow-ai skill Configures the cmux workspace manager: edits cmux.json, wires Command Palette actions, sets dock terminals, and routes terminal-level styling directly to Ghostty. CX Codex Cursor GitHub Copilot 6,600installs google-cloud-global-frontend-configuration official google skill This skill guides design and deployment of a Google Cloud global external Application Load Balancer. Use it for CDN, WAF, and Service Extensions setup. Gemini CLI CX Codex 5,300installs data-storytelling Seth Hobson skill This skill turns raw data into a clear narrative with context, visuals, and recommendations. Use it for analytics reports and executive presentations. CX Codex Cursor 16,782installs surprise-me bytedance skill This skill combines available skills into one unexpected creative deliverable. Use it when you want inspiration or a project without choosing the format yourself. CX Codex Cursor GitHub Copilot 2,300installs explain-interface jakubkrehel skill Explains how a visual effect, animation, or website layout was built from a live page or a screenshot. It breaks down the underlying layer stack. CX Codex Cursor GitHub Copilot 13,900installs seo AgriciDaniel skill Runs site audits, technical checks, Schema.org validation, and Generative Engine Optimization. Suitable for SaaS, e-commerce, and local business audits. CX Codex Cursor GitHub Copilot 9,000installs brand-voice-enforcement official anthropics skill This skill automatically applies your brand guidelines to any content: emails, posts, proposals. It loads your rules, adapts tone to the audience, and explains how each brand choice works. CX Codex Cursor GitHub Copilot 3,600installs backtesting-frameworks Seth Hobson skill Helps build trading strategy backtests that account for look-ahead and survivorship bias, plus transaction costs. Use it when developing or validating a trading algorithm. CX Codex Cursor 16,710installs just-scrape ScrapeGraphAI skill Use the ScrapeGraph AI CLI to search, scrape pages, extract structured data, crawl site sections, and monitor changes. It fits tasks that need website content or recurring page checks. CX Codex Cursor GitHub Copilot 245,000installs pre-mortem phuryn skill Runs a pre-mortem risk assessment on PRDs and launch plans. Catches critical launch blockers, surfaces hidden team assumptions, and maps action items. CX Codex Cursor GitHub Copilot 10,200installs google-cloud-solution-agentic-ai-data-science-workflow official google skill Designs agentic data analytics and ML architectures on Google Cloud. Use it for multi-product solutions that rely on AI agents. Gemini CLI CX Codex 5,200installs