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

create-llms official github skill Creates llms.txt in the repository root and maps the project files that an LLM needs to understand. 9,200installs debian-linux-triage official github skill This skill troubleshoots Debian Linux issues with apt, systemd, and dpkg, while accounting for AppArmor and firewall concerns. Use it for guided diagnosis. 9,197installs design-mobile-apps designed-by-ai skill Designs mobile screens via the Sleek REST API and translates them into React Native or HTML code. Claude Code CX Codex Cursor 1,000,000installs rust-mcp-server-generator official github skill Generate a Rust MCP server project with tools, prompts, resources, and an integration test. Use it when you want a project scaffold based on the official rmcp SDK. 9,181installs aspnet-minimal-api-openapi official github skill Create typed ASP.NET Minimal API endpoints with OpenAPI documentation. Use it when an API needs a clear structure and described request and response contracts. 9,176installs thermo-nuclear-code-quality-review cursor skill Runs a strict maintainability audit of code changes, abstractions, large files, and branching complexity. Use it when a routine review needs deeper structural scrutiny. Claude Code CX Codex Cursor 22,200installs quasi-coder official github skill This skill turns shorthand, quasi-code, and natural-language requests into working implementations. Use it when requirements are incomplete, imprecise, or mix technical terms. 9,100installs power-bi-dax-optimization official github skill Reviews DAX formulas, proposes a revised version, and explains the changes. Use it when Power BI measures are hard to read or slow under filters. 9,100installs breakdown-epic-pm official github skill Creates an Epic PRD for a new initiative and saves it as Markdown. Use it when a product idea needs clear requirements before technical architecture work. 9,100installs arch-linux-triage official github skill Triages Arch Linux issues with pacman, systemd, and rolling-release practices. Use it when you need remediation, validation, and rollback commands. 9,100installs nuxt Anthony Fu skill This skill equips your AI agent with Nuxt 5 knowledge: server-side rendering, file-based routing, auto-imports, and Nitro v3 deployment. Use it when building Nuxt apps, server routes, useFetch calls, middleware, or hybrid rendering. Claude Code CX Codex Cursor 24,100installs source-management official anthropics skill Manages MCP sources for enterprise search, including connection checks, query priorities, and rate-limit handling. Claude Code CX Codex Cursor 5,100installs vscode-ext-commands official github skill This skill guides VS Code extension command work, covering naming, visibility, localization, icons, and related contribution details. 9,000installs technology-stack-blueprint-generator official github skill This skill scans a codebase and builds a blueprint of its stack, architecture, and coding practices. Use it to document an existing project before making changes or generating more code. 9,000installs snowflake-semanticview official github skill This skill creates, alters, and validates Snowflake semantic views through Snowflake CLI. Use it for semantic-layer definitions and related DDL troubleshooting. 9,000installs remember-interactive-programming official github skill Keeps the agent focused on live REPL exploration and the current system state. Useful for interactive programming, especially in Clojure. 9,000installs power-bi-model-design-review official github skill Reviews Power BI model architecture, relationships, and storage modes. Use it before a model release or when investigating slow queries. 9,000installs microsoft-skill-creator official github skill Builds agent skills for Microsoft technologies with Learn MCP research. Use it when you need a reusable knowledge package for Azure, .NET, M365, or VS Code. 9,000installs fluentui-blazor official github skill This skill guides Blazor work with Microsoft Fluent UI components, service providers, forms, dialogs, and themes. Use it while building or debugging a Fluent UI app. 9,000installs finalize-agent-prompt official github skill This skill polishes a prompt file by improving its structure, wording, and clarity while keeping the original intent. Use it before sharing a prompt with end users. 9,000installs csharp-nunit official github skill Guides GitHub Copilot when writing NUnit unit tests in C#, including data-driven cases. Use it when a project needs consistent test conventions. 9,000installs create-technical-spike official github skill Creates time-boxed technical spike documents for researching critical questions about architecture, APIs, or performance before development starts. 9,000installs convert-plaintext-to-md official github skill A GitHub Copilot skill that turns a plain-text document into Markdown, following your instructions, a converted reference file, or the options you pass. 9,000installs breakdown-epic-arch official github skill Creates a high-level Epic architecture specification from a PRD. Use it when a team needs an implementation plan before development starts. 9,000installs chakra-ui-refactor chakra-ui skill Reviews components against Chakra UI v3 patterns and converts markup from HTML, Tailwind, or styled-components. Useful for UI refactoring and accessibility audits. Claude Code CX Codex Cursor 2,800installs what-context-needed official github skill This skill asks Copilot which files it needs before answering. Use it when a project question depends on code the agent has not seen. 8,900installs vscode-ext-localization official github skill Use it to localize user-facing text in VS Code extensions. It fits when you add translations or update existing ones. 8,900installs update-markdown-file-index official github skill Updates a Markdown list or table with files from a selected folder. Use it to keep a project directory index in sync with its contents. 8,900installs terraform-azurerm-set-diff-analyzer official github skill Analyzes Terraform plan JSON for AzureRM to separate Set ordering noise from real resource changes. Use it when plan reviews show a noisy diff. 8,900installs suggest-awesome-github-copilot-skills official github skill Finds awesome-copilot skills that fit the repository and chat context. It avoids local duplicates and flags installed skills that differ from remote versions. 8,900installs repo-story-time official github skill Examines a repository and its Git history, then writes a technical summary and a narrative of the project’s evolution. Use it when taking over an unfamiliar codebase. 8,900installs power-bi-performance-troubleshooting official github skill This skill guides troubleshooting across Power BI models, reports, and queries. Use it to trace slowdowns and decide what to inspect next. 8,900installs php-mcp-server-generator official github skill Generates a PHP MCP server project with tools, resources, prompts, and tests. Use it when you need a structured starting point for a PHP-based MCP server. 8,900installs legacy-circuit-mockups official github skill Creates breadboard circuit mockups with HTML5 Canvas. Use it to show component placement and wiring for electronics projects. 8,900installs java-refactoring-remove-parameter official github skill This skill guides an agent through removing unused or derivable parameters from Java methods and updating their callers. Use it when the change must preserve behavior and be checked with tests. 8,900installs github-copilot-starter official github skill Sets up GitHub Copilot for a new project from its technology stack and team conventions. Useful when the repository needs a ready structure for instructions, skills, and agents. 8,900installs generate-custom-instructions-from-codebase official github skill This skill compares two repository states and writes migration guidance for GitHub Copilot. Use it after a framework upgrade, technology switch, or major refactor. 8,900installs csharp-mstest official github skill Guides GitHub Copilot through MSTest 3.x/4.x unit tests, from test structure to assertions and data-driven cases. Use it when working on C# test code. 8,900installs create-github-issues-for-unmet-specification-requirements official github skill This skill finds unimplemented requirements in a specification and turns them into GitHub Issues. Use it when code needs to be checked against a spec. 8,900installs create-github-issue-feature-from-specification official github skill This skill turns a specification file into a GitHub issue, checking for similar issues first. Use it when a feature request should cover the complete specification. 8,900installs