Backend and APIs: skills, plugins, subagents, slash commands and mcp servers

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. GitHub Copilot 9,366installs 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. GitHub Copilot 9,237installs dataverse-python-advanced-patterns official github skill Guides GitHub Copilot to generate Dataverse Python code with error recovery, batch work, and OData query patterns. GitHub Copilot 9,213installs architecture-patterns Seth Hobson skill Guides backend architecture with Clean Architecture, Hexagonal Architecture, and DDD. Use it when designing a service, untangling a monolith, or tracing dependency cycles. Claude Code CX Codex Cursor 24,144installs go-mcp-server-generator official github skill Generates a production-ready Go MCP server project with the official SDK, typed tools, tests, and documentation. GitHub Copilot 9,200installs 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. GitHub Copilot 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. GitHub Copilot 9,176installs 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 +1 24,100installs 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. GitHub Copilot 8,900installs containerize-aspnetcore official github skill This skill prepares an ASP.NET Core project for a Linux container by creating a project-specific Dockerfile and applying the requested container settings. GitHub Copilot 8,900installs azure-static-web-apps official github skill Guides SWA CLI setup, local emulation, and deployment for Azure Static Web Apps. Use it when configuring an app or connecting an Azure Functions API. GitHub Copilot 8,900installs google-analytics-data-api-basics official google skill This skill works with Google Analytics reporting data through Data API v1beta. Use it to enable the API, query metrics and dimensions, or check API access. Claude Code Gemini CLI CX Codex 7,364installs typespec-api-operations official github skill Adds GET, POST, PATCH, and DELETE operations to a TypeSpec API plugin for Microsoft 365 Copilot. Use it when defining CRUD routes, parameters, and card-based responses. GitHub Copilot 8,800installs swift-mcp-server-generator official github skill This skill generates a Swift MCP server project with the official Swift SDK. Use it when you need a ready project layout for tools, resources, and prompts. GitHub Copilot 8,800installs java-mcp-server-generator official github skill This skill creates a Java or Spring Boot MCP server for exposing code, APIs, or databases to AI agents. Use it when you need a project scaffold with tests. GitHub Copilot 8,800installs error-handling-patterns Seth Hobson skill This skill covers exceptions, Result types, error propagation, and graceful degradation. Use it when designing APIs or debugging failures. Claude Code CX Codex Cursor 22,957installs python-design-patterns Seth Hobson skill Use it to shape Python components, separate responsibilities, and decide when repeated code deserves an abstraction. It fits design and refactoring work. Claude Code CX Codex Cursor 22,842installs typespec-create-api-plugin official github skill Generates a TypeSpec plugin for Microsoft 365 Copilot that calls external REST APIs. Use it when you need API operations, authentication, or Adaptive Cards. GitHub Copilot 8,700installs transloadit-media-processing official github skill Process video, audio, images and documents through Transloadit. Use it to encode media, make thumbnails or extract text from scanned files. GitHub Copilot 8,700installs power-platform-mcp-connector-suite official github skill Builds Power Platform custom connectors with MCP support for Copilot Studio. Use it when creating, validating, or debugging connector schemas. GitHub Copilot 8,700installs power-apps-code-app-scaffold official github skill Scaffolds a Power Apps Code App using React and TypeScript. Use it to start a project with a Power Platform connector. GitHub Copilot 8,700installs mcp-create-declarative-agent official github skill This skill builds a declarative agent for Microsoft 365 Copilot and connects it to an MCP server. Use it when the agent needs selected tools from an external system. GitHub Copilot 8,700installs mcp-create-adaptive-cards official github skill Adds Adaptive Card response templates to MCP API plugins for visual data display in Microsoft 365 Copilot. Use it when an API response should render as a card. GitHub Copilot 8,700installs mcp-copilot-studio-server-generator official github skill Generates an MCP server and Power Platform connector files for Copilot Studio. Use it when building a custom connector with streamable HTTP. GitHub Copilot 8,700installs kotlin-mcp-server-generator official github skill This skill generates a Kotlin MCP server project with Gradle, the official SDK, and starter tools. Use it when you need a structured server scaffold. GitHub Copilot 8,700installs dataverse-python-usecase-builder official github skill This skill turns Dataverse use cases into Python solution designs, data models, and implementation guidance. Use it when an agent needs to plan a complete SDK workflow. GitHub Copilot 8,700installs create-spring-boot-kotlin-project official github skill This skill scaffolds a Spring Boot project in Kotlin, then configures PostgreSQL, Redis and MongoDB. Use it when you want a reactive starter with Gradle tests. GitHub Copilot 8,700installs cosmosdb-datamodeling official github skill Captures NoSQL application requirements and guides Azure Cosmos DB data modeling. Use it when access patterns, workload scale, and partition choices need to be documented. GitHub Copilot 8,700installs containerize-aspnet-framework official github skill This skill prepares a Windows-container Dockerfile for an ASP.NET .NET Framework project. Use it when the image needs project-specific IIS, dependency, or build settings. GitHub Copilot 8,700installs memory-leak-debugging ChromeDevTools skill Finds memory leaks in JavaScript and Node.js with Chrome DevTools MCP. Use it to investigate high memory use, OOM errors, and heap snapshots. Claude Code CX Codex Cursor +1 3,200installs ruby-mcp-server-generator official github skill Generates a Ruby MCP server project using the official SDK. Use it when you want tools, prompts, resources, and tests in the initial project. GitHub Copilot 8,600installs google-analytics-admin-api-basics official google skill This skill guides agents through Google Analytics Admin API setup and account configuration. Use it to manage properties and integrations from code. Claude Code Gemini CLI CX Codex 7,068installs pnpm Anthony Fu skill Skill for working with pnpm, a Node.js package manager with strict dependency resolution. Use it when your project relies on workspaces, version catalogs, patches, or dependency overrides. Claude Code CX Codex Cursor +1 22,300installs google-ads-api-mcp-setup official google-ads-api-team skill This skill installs the official Google Ads MCP Server and helps connect an AI assistant to an account for campaign queries and reporting metrics. Claude Code Gemini CLI CX Codex 6,910installs google-ads-api-quickstart official google-ads-api-team skill Sets up Google Ads API access and walks through a sample campaign retrieval request. Use it when starting an integration or troubleshooting authentication errors. Claude Code Gemini CLI CX Codex 6,855installs sql-queries official anthropics skill Writes and optimizes SQL across PostgreSQL, Snowflake, BigQuery, Redshift, and Databricks. Useful when tuning queries or migrating analytics across warehouses. Claude Code CX Codex Cursor +1 4,500installs rust-async-patterns Seth Hobson skill A skill for building and debugging async Rust with Tokio, tasks, channels, streams, and error handling. Use it for concurrent services and async I/O. Claude Code CX Codex Cursor 20,625installs firebase-app-hosting-basics Google LLC skill Deploy and manage SSR web apps built with Next.js or Angular on Firebase App Hosting. Use it for configuration, secrets, and deployment workflows. Claude Code CX Codex Cursor +1 169,200installs firebase-data-connect Google LLC skill Builds and configures Firebase SQL Connect backends on PostgreSQL with GraphQL schemas and generated SDKs. Useful when adding relational data to Firebase projects. Claude Code CX Codex Cursor +1 168,300installs sql-optimization-patterns Seth Hobson skill This skill helps inspect slow SQL, EXPLAIN plans, and index choices. Use it when a query scans too much data, JOINs poorly, or causes N+1 calls. Claude Code CX Codex Cursor 19,717installs