GitHub Copilot skills, plugins, subagents, slash commands and mcp servers

baoyu-wechat-summary JimLiu skill Extracts WeChat group chats via wx-cli to generate structured discussion digests, maintain member profiles, and track conversation history. Claude Code CX Codex Cursor 9,800installs csharp-docs official github skill Guides XML documentation for C# types and members. Use it when a project needs consistent API comments and tag conventions. 9,666installs readme-blueprint-generator official github skill This skill reads project documentation and builds a structured README.md. It fits repositories that keep project guidance in .github/copilot and copilot-instructions.md. 9,662installs mcp-cli official github skill CLI interface for calling MCP server tools from the command line. Useful when you need to automate access to external APIs, filesystems, or databases through MCP. 9,650installs context-map official github skill This skill makes the agent map every file, test and dependency tied to a task before it touches code. Handy on a codebase you don't know yet. 9,641installs agent-governance official github skill Provides governance patterns for AI agents that use APIs, databases, or file systems. Use it when agent actions need policy checks, threat detection, and audit records. 9,623installs ef-core official github skill This skill guides Entity Framework Core reviews and suggests practices for models, queries, migrations, security, and tests. Use it when EF Core code needs a focused check. 9,594installs azure-deployment-preflight official github skill Checks Azure Bicep deployments before they run, including syntax, permissions, and planned changes. Use it before azd provision or az deployment. 9,591installs extract-design-system arvindrk skill This skill extracts design primitives from a public website and generates starter tokens.json and tokens.css files for your project. Claude Code CX Codex Cursor 130,600installs write-coding-standards-from-file official github skill This skill derives project coding standards from existing files or folders. Use it when the repository needs a style guide based on code already in place. 9,570installs figma-generate-design official openai skill Turns an app page or multi-section layout into a Figma screen built from your published design system, not hand-drawn boxes. Claude Code CX Codex Cursor 2,900installs figma-create-design-system-rules official openai skill Generates project-specific design system guidelines for AI coding agents handling Figma-to-code tasks. It inspects existing components and writes rules directly into your repository. Claude Code CX Codex Cursor 2,900installs appinsights-instrumentation official github skill This skill adds telemetry to a web app and sends it to Azure App Insights. Use it when an Azure-hosted app needs better visibility into its health. 9,525installs create-spring-boot-java-project official github skill Creates a Spring Boot Java skeleton with Maven, database settings and Docker Compose. Use it when a new API needs PostgreSQL, Redis and MongoDB locally. 9,516installs shadcn-vue unovue skill Teaches coding agents shadcn-vue architecture, proper CLI runners, FieldGroup form composition, and strict Tailwind semantic token rules. Claude Code CX Codex Cursor 5,700installs openapi-to-application-code official github skill Generates an application from an OpenAPI spec using the chosen framework's conventions. Use it when starting an API project from a specification. 9,448installs task-observer Eoghan Henn and contributors skill Monitors agent execution, logs user corrections, and packages repeating workflows into skill updates during weekly reviews. Claude Code CX Codex Cursor 14,300installs create-github-issues-feature-from-implementation-plan official github skill This skill turns implementation plan phases into GitHub Issues, checking for existing issues first. Use it when a finished plan needs to become trackable work. 9,440installs folder-structure-blueprint-generator official github skill This skill analyzes a project’s folders and creates a blueprint with tree views, naming rules, and file templates. Use it when a codebase needs a clear structure guide. 9,438installs debug-optimize-lcp ChromeDevTools skill Breaks Largest Contentful Paint into four sequential stages and shows exactly where the main content load is bottlenecked. Claude Code CX Codex Cursor 3,500installs azure-role-selector official github skill This skill selects an Azure role with the least privilege needed for an identity and shows how to assign it. Use it when Azure access needs a careful RBAC match. 9,399installs copilot-sdk official github skill This skill helps embed GitHub Copilot agent workflows in applications, add custom tools, and stream responses. Use it when building programmable agents. 9,395installs power-bi-report-design-consultation official github skill This skill guides Power BI report planning, from chart choices to page layout and accessibility. Use it when a report needs to support specific decisions for a defined audience. 9,390installs cmux manaflow-ai skill Skill for navigating multi-pane cmux layouts: create windows, workspaces, splits, focus surfaces, and move terminals and browser panels without breaking automation. Use it when an agent needs deterministic placement and routing. Claude Code CX Codex Cursor 9,600installs search-strategy official anthropics skill This skill breaks a natural-language question into source-specific searches and combines the results. Use it for decisions, status checks, and document discovery. Claude Code CX Codex Cursor 5,300installs project-workflow-analysis-blueprint-generator official github skill A GitHub Copilot skill that maps project architecture and documents end-to-end workflows. Use it when you need implementation blueprints for similar features. 9,366installs next-intl-add-language official github skill Adds a language to a Next.js app using next-intl by translating en.json and updating locale setup. Use it when a new locale must appear in the UI. 9,349installs breakdown-plan official github skill Builds a GitHub Issues plan from a PRD, technical breakdown and implementation plan. Use it when a feature needs linked work items and clear acceptance criteria. 9,294installs java-refactoring-extract-method official github skill This skill guides Extract Method refactoring for complex Java methods while preserving behaviour. Use it when a method needs smaller, focused units backed by tests. 9,284installs breakdown-test official github skill Creates test strategies, QA plans, and issue checklists from feature documents. Use it when planning test work for a GitHub project. 9,264installs remember official github skill Turns lessons from coding sessions into domain-based memory instructions for GitHub Copilot. Useful when project guidance must persist across VS Code contexts. 9,248installs add-educational-comments official github skill Adds educational comments to a specified code file, tailored to the reader's knowledge level. Use it when a source file needs to work as a learning resource. 9,243installs breakdown-feature-implementation official github skill This skill turns a Feature PRD into a technical implementation plan covering architecture, data models, APIs, and frontend structure. Use it to map a feature before coding starts. 9,237installs define-goal official openai skill Shapes vague requests into concrete, measurable goals with explicit pass criteria before an agent starts working. Claude Code CX Codex Cursor 2,800installs dataverse-python-advanced-patterns official github skill Guides GitHub Copilot to generate Dataverse Python code with error recovery, batch work, and OData query patterns. 9,213installs update-specification official github skill Updates an existing specification from new requirements or code changes. Use it when an AI agent needs a clear, self-contained project document. 9,211installs standup official anthropics skill Generates daily standup updates by pulling recent commits and ticket changes, or by formatting rough notes into yesterday, today, and blockers. Claude Code CX Codex Cursor 5,200installs create-viz official anthropics skill Generates publication-quality charts from tables and database queries using Python. Selects chart type, formats axes, and saves PNG for reports and presentations. Claude Code CX Codex Cursor 5,200installs go-mcp-server-generator official github skill Generates a production-ready Go MCP server project with the official SDK, typed tools, tests, and documentation. 9,200installs finnish-humanizer official github skill This skill removes common AI markers from Finnish writing while keeping the meaning intact. Use it for .md and .txt files with Finnish content. 9,200installs