Codex skills, plugins, subagents, slash commands and mcp servers

auth-implementation-patterns Seth Hobson skill A skill for designing authentication and authorization: JWT, OAuth2, sessions, roles. Useful when you build a login flow or fix an access bug. Claude Code Cursor 19,388installs data-manager-api-setup official google skill This skill sets up Data Manager API access and client libraries. Use it when preparing a local environment before building an API integration. Claude Code Gemini CLI 6,109installs git-advanced-workflows Seth Hobson skill This skill covers Git history editing, commit transfers, bug hunting, worktrees, and reflog recovery. Use it for complex branches or cleaner pull requests. Claude Code Cursor 19,356installs laravel-specialist https://github.com/Jeffallan skill Configures the agent for Laravel 10+ and PHP 8.2+ development. It guides Eloquent modeling, Horizon queues, API resources, and Pest testing. Claude Code Cursor GitHub Copilot 23,300installs data-manager-api-audience-ingestion official google skill This skill guides developers through adding members to Google audiences, removing them, or clearing an audience with the Data Manager API. Use it for Customer Match and mobile device ID audiences. Claude Code Gemini CLI 6,041installs tdd-rust rtk-ai skill Skill for RTK filter development using TDD. Write a test with real data, implement minimum code, verify token savings, lock the output format with insta snapshots. Claude Code Cursor GitHub Copilot 1,400installs ppt-template-creator official anthropics skill A skill that converts PowerPoint templates into self-contained, reusable skills. Analyze your .pptx, extract all layouts and placeholders with exact coordinates, and package everything as a ready-to-use skill. Claude Code Cursor GitHub Copilot 2,300installs macro-rates-monitor official anthropics skill Builds macro and rates dashboards by combining inflation breakevens, yield curves, and swap spreads into a single analysis. Claude Code Cursor GitHub Copilot 2,300installs dotnet-backend-patterns Seth Hobson skill Skill for C# and .NET development: patterns for async code, dependency injection, Entity Framework Core, caching, and testing. Use when building backend APIs, MCP servers, or reviewing C# code. Claude Code Cursor 19,076installs flutter-add-widget-test flutter skill A skill that teaches AI coders to write component-level Flutter tests using WidgetTester. Verifies how widgets render and respond to taps, scrolling, and text input. Claude Code Cursor GitHub Copilot 39,000installs research-synthesis official anthropics skill Synthesizes interview transcripts, surveys, and support tickets into structured reports with themes, user segments, and prioritized actions. Claude Code Cursor GitHub Copilot 4,100installs nextjs-on-cloudflare cloudflare skill Skill for deploying Next.js apps to Cloudflare Workers via vinext. Use for new projects, migrating existing apps, or choosing between vinext and OpenNext. Claude Code Cursor GitHub Copilot 42,000installs google-cloud-solution-architecture official google skill This skill gathers requirements and designs complex Google Cloud systems. Use it for new cloud workloads, migrations, and multi-product architecture work. Claude Code Gemini CLI 5,980installs eve vercel skill eve is a filesystem-first framework for durable backend agents, where code lives as files on disk. This skill helps you create, edit, and debug agents: instructions, skills, tools, connections, channels, subagents, schedules, and evals. Claude Code Cursor GitHub Copilot 7,400installs google-mobile-ads-android-migrate-to-next-gen official google skill Guides Android projects through a move from the legacy Google Mobile Ads SDK to GMA Next-Gen. Use it when updating an existing ad integration and checking the resulting code. Claude Code Gemini CLI 5,969installs cloud-logging-query-generation official google skill Turn a plain-language request into a Cloud Logging query for Google Cloud. Use it to find service logs or investigate an issue. Claude Code Gemini CLI 5,885installs flutter-add-integration-test flutter skill Sets up the integration_test package for Flutter and turns MCP session interactions into repeatable end-to-end tests. Claude Code Cursor GitHub Copilot 38,000installs google-mobile-ads-get-started official google skill This skill guides Google Mobile Ads SDK setup for Android, iOS, or Unity projects. Use it when starting AdMob or Ad Manager integration. Claude Code Gemini CLI 5,855installs gpt-5-4-prompting official openai skill This skill structures Codex and GPT-5.4 prompts for coding, review, diagnosis, and research work. Claude Code Cursor GitHub Copilot 726installs vue-debug-guides github.com/vuejs-ai skill Skill for diagnosing Vue 3 errors: reactivity, watchers, components, templates, and hydration. When the agent sees a Vue bug, it looks up the cause in a catalog of common issues. Claude Code Cursor GitHub Copilot 26,700installs unlazy Leonxlnx skill This skill sets testable completion gates, breaks complex work into stages, and rechecks evidence before the agent reports completion. Claude Code Cursor GitHub Copilot 9,400installs google-mobile-ads-banner official google skill This skill guides banner ad setup with Google Mobile Ads in Android, iOS, and Unity apps. Use it when the task is limited to banner advertising. Claude Code Gemini CLI 5,818installs google-mobile-ads-interstitial official google skill Guides Google Mobile Ads interstitial setup in Android, iOS, and Unity apps. Use it when you need full-page ads between app content. Claude Code Gemini CLI 5,816installs google-mobile-ads-rewarded official google skill This skill guides Google Mobile Ads rewarded ad setup for Android, iOS, and Unity. Use it when users opt in to watch an ad for an in-app reward. Claude Code Gemini CLI 5,814installs frontend-design nexu-io skill Skill for building frontend interfaces with considered typography, color and layout — from landing pages to dashboards. Claude Code Cursor GitHub Copilot 4,800installs learn-mcp rohitg00 skill An interactive tutor for the Model Context Protocol. Use it to study MCP clients, servers, transports, security, and conformance step by step. Claude Code Cursor GitHub Copilot 2,700installs expo-module expo skill Complete reference for building native modules and view components in Swift, Kotlin, and TypeScript for Expo apps. Use when writing a new module or adding native functionality—camera, sensors, system APIs. Claude Code Cursor GitHub Copilot 44,900installs asd-ste100 danyuchn skill Rewrites tool descriptions, system prompts, and agent instructions under ASD-STE100 rules. It eliminates ambiguity before downstream models parse the text. Claude Code Cursor GitHub Copilot 7,300installs audit-xls official anthropics skill Audits Excel sheets for formula errors, hardcoded values, and logic breaks. It checks financial model integrity before sharing work with clients or review committees. Claude Code Cursor GitHub Copilot 2,200installs systematic-literature-review bytedance skill A skill to automatically search and synthesize multiple papers by topic from arXiv. Collects research, extracts key findings, and outputs reports in APA, IEEE, or BibTeX format. Claude Code Cursor GitHub Copilot 2,500installs flutter-implement-json-serialization flutter skill Teaches coding agents to build Dart models with fromJson and toJson methods using dart:convert. Useful for manual JSON mapping in simple Flutter data structures. Claude Code Cursor GitHub Copilot 37,200installs slack-messaging official anthropics skill This skill helps agents write Slack messages with mrkdwn, clear structure, and channel-aware etiquette. Use it for drafts, replies, and announcements. Claude Code Cursor GitHub Copilot 3,900installs async-python-patterns Seth Hobson skill This skill guides async Python work with asyncio, async/await, and concurrent tasks. Use it for APIs and applications with many I/O-bound operations. Claude Code Cursor 18,055installs context-engineering-collection muratcankoylan skill Patterns for production agent design: context management, multi-agent systems, long-running loops. Use when building autonomous systems that need to operate reliably. Claude Code Cursor GitHub Copilot 4,200installs paseo-handoff getpaseo skill Transfers the current task to a fresh agent with context, decisions, and constraints. Useful when moving work into a clean session or an isolated git worktree. Claude Code Cursor GitHub Copilot 4,800installs capability-evolver EvoMap skill Runs autonomous self-evolution for AI agents based on runtime history. It syncs code improvements with EvoMap Hub via a local JSONL mailbox proxy. Claude Code Cursor GitHub Copilot 4,900installs 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code Cursor GitHub Copilot 36,000installs