GitHub: skills, plugins and MCP servers

git-commit official github skill This skill reviews Git changes, stages related files, and creates Conventional Commits. Use it when you want an agent to make one commit or split work into separate commits. GitHub Copilot 47,165installs excalidraw-diagram-generator official github skill Turn a plain-language description into an Excalidraw diagram. Useful for mapping processes, system structure, and relationships between entities. GitHub Copilot 31,639installs multi-stage-dockerfile official github skill This skill guides GitHub Copilot in writing multi-stage Dockerfiles for different languages and frameworks. Use it when the final runtime image should contain fewer build dependencies. GitHub Copilot 29,688installs documentation-writer official github skill Skill that turns the agent into a technical writer following the Diátaxis framework: tutorials, how-to guides, reference, and explanation. Proposes structure before writing. GitHub Copilot 27,757installs prd official github skill Turns a feature idea into a structured PRD with user stories, technical requirements, and risks. Use it when planning a software feature or an AI-powered one. GitHub Copilot 24,035installs refactor official github skill This skill reshapes existing code without changing its external behavior. Use it for gradual cleanup of large functions, duplication, weak types, and code smells. GitHub Copilot 22,321installs java-springboot official github skill Gives GitHub Copilot Spring Boot development practices, from project layout to tests and security. Use it when writing or reviewing Java application code. GitHub Copilot 21,272installs create-readme official github skill This skill reviews a project and creates a structured README.md. Use it when the repository needs clear documentation based on its actual files and code. GitHub Copilot 19,081installs playwright-generate-test official github skill Generates a Playwright test from a scenario through Playwright MCP. Use it when the browser flow should be completed before test code is written. GitHub Copilot 18,162installs github-issues official github skill Manage GitHub issues through MCP tools and gh api: create bug reports, tasks, and feature requests, then update fields and issue relationships. GitHub Copilot 17,431installs conventional-commit official github skill Creates Conventional Commits messages after reviewing Git changes. Use it when a repository needs a consistent commit history. GitHub Copilot 17,103installs postgresql-optimization official github skill Helps developers use PostgreSQL features such as JSONB, arrays, indexes, full-text search, window functions, and extensions. GitHub Copilot 16,436installs dotnet-best-practices official github skill Guides reviews and edits of selected .NET/C# code with project rules for structure, DI, tests, logging and security. Use it when changing an existing solution. GitHub Copilot 15,752installs sql-optimization official github skill Reviews SQL performance issues, index choices, and slow-query patterns. Use it when tuning queries for MySQL, PostgreSQL, SQL Server, or Oracle. GitHub Copilot 15,701installs chrome-devtools official github skill Controls a live Chrome browser through Chrome DevTools MCP for page actions, debugging, and performance traces. Use it when an agent needs to inspect a web interface. GitHub Copilot 15,258installs microsoft-docs official github skill Finds official Microsoft documentation, tutorials, and code samples for Azure, .NET, VS Code, and GitHub work. Use it when an agent needs a source tied to a specific technology or version. GitHub Copilot 14,881installs playwright-explore-website official github skill Explores a website through Playwright MCP, records user flows, and proposes test cases. Use it when you need a starting point for UI testing. GitHub Copilot 14,792installs nuget-manager official github skill Manages NuGet packages in .NET projects through the dotnet CLI. Use it when adding, removing, or updating package dependencies. GitHub Copilot 14,360installs microsoft-code-reference official github skill Checks Microsoft APIs and SDK code against official docs, finds working samples, and helps debug Azure and .NET issues. GitHub Copilot 14,251installs sql-code-review official github skill Reviews SQL for security and performance issues, as well as maintainability. Use it when checking queries or a database schema. GitHub Copilot 14,060installs web-design-reviewer official github skill This skill inspects a running website, spots layout, responsive, and accessibility issues, and can fix them in the source code. Use it when a UI review should lead to verified code changes. GitHub Copilot 13,957installs playwright-automation-fill-in-form official github skill Fills a preset form through Playwright MCP, uploads an image, and stops before submission. It fits the Playwright Live demo scenario. GitHub Copilot 13,693installs create-specification official github skill This skill creates a structured Markdown specification with requirements, constraints, and interfaces. Use it when an AI agent needs a clear project contract. GitHub Copilot 13,537installs javascript-typescript-jest official github skill This skill guides GitHub Copilot in writing JavaScript and TypeScript tests with Jest. Use it when you want concrete patterns for mocks, async tests, and test organization. GitHub Copilot 13,172installs game-engine official github skill Guides GitHub Copilot when building browser games and game engines with HTML5 and JavaScript. Use it for 2D or 3D rendering, physics, collisions, and controls. GitHub Copilot 13,140installs create-agentsmd official github skill Generates an AGENTS.md file with repository context and instructions for coding agents. Use it when project rules need a clear, agent-focused home. GitHub Copilot 13,104installs refactor-plan official github skill This skill investigates a codebase and writes a step-by-step multi-file refactor plan before edits begin. Use it when the proposed change needs review first. GitHub Copilot 12,965installs memory-merger official github skill Moves mature notes from a domain memory file into its instruction file. Useful when project guidance grows through reviewed lessons. GitHub Copilot 12,846installs pytest-coverage official github skill Runs pytest with coverage, flags lines that tests miss, and guides work toward 100% line coverage. Use it when coverage gaps need concrete test cases. GitHub Copilot 12,826installs penpot-uiux-design official github skill A skill for building interfaces in Penpot via MCP tools: web, mobile, dashboards, design systems. Works with Penpot API directly from your code editor. GitHub Copilot 12,782installs postgresql-code-review official github skill Reviews SQL and database schemas for PostgreSQL-specific issues. Use it before reviewing migrations, JSONB queries, functions, or access rules. GitHub Copilot 12,608installs create-implementation-plan official github skill This skill creates a Markdown implementation plan for features, refactoring, package upgrades, or infrastructure work. Use it when an agent needs an explicit task breakdown. GitHub Copilot 12,558installs architecture-blueprint-generator official github skill Analyzes a codebase and creates an architecture blueprint with components, dependencies, and diagrams. Use it before extending a project or onboarding developers. GitHub Copilot 12,196installs typescript-mcp-server-generator official github skill Generates a TypeScript MCP server project with tools, resources, and configuration. Use it when a new server should start on the MCP TypeScript SDK v2. GitHub Copilot 12,050installs java-junit official github skill Writes, reviews and fixes Java tests with JUnit, AssertJ and Mockito. Use it when adding, refactoring or debugging tests in Maven and Gradle projects. GitHub Copilot 11,632installs dotnet-design-pattern-review official github skill Reviews selected C#/.NET code for design patterns and suggests improvements without editing files. Use it when you need an architecture-focused code review. GitHub Copilot 11,609installs dotnet-upgrade official github skill Plan a .NET upgrade by reviewing project dependencies, choosing a migration order and preparing post-upgrade checks. GitHub Copilot 11,475installs apple-appstore-reviewer official github skill Reviews an iOS project from an Apple App Store reviewer’s perspective and ranks rejection risks. Use it before submitting an app for review. GitHub Copilot 11,295installs update-implementation-plan official github skill Updates an existing implementation plan for new requirements, refactoring, package upgrades, or architecture changes. Use it when a plan needs actionable tasks and checks. GitHub Copilot 11,107installs make-repo-contribution official github skill This skill checks repository rules before issues, branches, commits, or pull requests, then guides the contribution workflow. GitHub Copilot 11,073installs