AI and ML: skills, plugins, subagents and slash commands

skill-creator official anthropics skill Creates and refines skills, then tests them with prompts, evaluations, and performance checks. Claude Code Claude.ai 414,180installs writing-for-agents Matt Pocock skill Guidance for writing skills and agent-facing documents. Use it when editing AGENTS.md, CLAUDE.md, or reference files reached from them. Claude Code 466,719installs mcp-builder official anthropics skill This skill walks through building an MCP server in TypeScript or Python, from reading the protocol spec to writing tests and evaluation questions. Claude Code Claude.ai 130,949installs subagent-driven-development Jesse Vincent skill This skill runs an implementation plan through fresh subagents for independent tasks and reviews each result. Use it for multi-step work in one session. Claude Code CX Codex 237,746installs discernment-nudge official anthropics skill Adds follow-up questions that test facts, reasoning, and missing context after answers a user may act on. Use it for advice, plans, estimates, and other consequential drafts. Claude Code Claude.ai 12,227installs academy-guide official anthropics skill Matches Claude learning questions with relevant Claude Academy materials. Use it for onboarding, feature training, and team education requests. Claude Code Claude.ai 11,893installs 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 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 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 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 python-mcp-server-generator official github skill Builds Python MCP servers that expose functions, APIs, or databases as tools for AI clients. Use it when starting a server with MCP Python SDK v2. GitHub Copilot 10,418installs agentic-eval official github skill Use evaluation and refinement patterns to improve AI agent outputs. It suits code, reports and analysis with defined quality criteria. GitHub Copilot 10,213installs gemini-api official google skill Connects Gemini API from Google Cloud Agent Platform to the agent. Gives access to Gemini models, multimodal input, function calling, and context caching. Claude Code Gemini CLI CX Codex 17,116installs nano-banana-pro-openrouter official github skill Generates and edits images through OpenRouter with Gemini 3 Pro Image. Use it for text-to-image work, file edits, and multi-image compositions. GitHub Copilot 9,910installs 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. GitHub Copilot 9,623installs 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. GitHub Copilot 9,200installs create-llms official github skill Creates llms.txt in the repository root and maps the project files that an LLM needs to understand. GitHub Copilot 9,200installs 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. GitHub Copilot 9,000installs 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 fabric-lakehouse official tedvilutis skill This skill gives GitHub Copilot context on Fabric Lakehouse storage, schemas, access control, Shortcuts, and table optimization. Use it for solution design. GitHub Copilot 8,800installs 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 mcp-deploy-manage-agents official github skill A GitHub Copilot skill that walks you through deploying and governing declarative MCP agents in the Microsoft 365 admin center. Built for admins rolling agents out to an org. GitHub Copilot 8,800installs workiq-copilot official github skill Connects GitHub Copilot to Microsoft 365 context through WorkIQ, including email, meetings, documents and Teams. Use it when a task needs current organisational information beyond the repository. GitHub Copilot 8,800installs 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 declarative-agents official github skill Build and validate Microsoft 365 Copilot declarative agents with JSON Schema v1.5, TypeSpec, and Agents Playground support. Useful for prototypes and enterprise designs. GitHub Copilot 8,700installs 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 typespec-create-agent official github skill This skill drafts a TypeSpec definition for a Microsoft 365 Copilot declarative agent. Use it to shape the agent's instructions, capabilities, and sample prompts. GitHub Copilot 8,700installs copilot-usage-metrics official github skill This skill retrieves GitHub Copilot usage metrics for organizations and enterprises through GitHub CLI and the REST API. Use it to review adoption, suggestions, acceptance rates, or chat activity. 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 datanalysis-credit-risk official github skill This skill cleans credit data and screens variables before risk modeling. Use it when a raw dataset needs quality checks and pre-loan preparation. GitHub Copilot 7,300installs gemini-interactions-api official google skill This skill guides Gemini Interactions API usage on Gemini Enterprise Agent Platform for stateful chats, background tasks, streaming, and function calling. Claude Code Gemini CLI CX Codex 10,434installs agent-platform-skill-registry official google skill Connects agents to the Gemini Enterprise Agent Platform Skill Registry for discovery and lifecycle tasks. Useful when your workflow manages registered skills. Claude Code Gemini CLI CX Codex 10,068installs gemini-agents-api official google skill Manages Agent resources in Gemini Enterprise Agent Platform through its API. Use it when you need to configure an agent before starting conversations. Claude Code Gemini CLI CX Codex 9,466installs google-cloud-waf-sustainability official google skill Reviews Google Cloud workloads for sustainability, from low-carbon region choice and resource use to AI/ML energy waste and emissions tracking. Claude Code Gemini CLI CX Codex 9,346installs agent-platform-deploy official google skill Deploys Model Garden models to Agent Platform endpoints, checks operation status, and cleans up resources. Use it when a deployment, undeployment, or quota error needs action. Claude Code Gemini CLI CX Codex 8,860installs agent-platform-rag-engine-management official google skill Use this skill to inspect Agent Platform RAG Engine corpora, find their files, retrieve context, and draft grounded answers. It fits workflows built around RAG Engine in Google Cloud. Claude Code Gemini CLI CX Codex 8,626installs agent-platform-tuning official google skill This skill guides fine-tuning for open models and Gemini through Agent Platform. Use it when you need dataset setup, job configuration, and monitoring. Claude Code Gemini CLI CX Codex 8,614installs agent-platform-prompt-management official google skill Manage prompts in Agent Platform: create them, list and retrieve them, select a version, or delete them. Use it when your workflow relies on managed Agent Platform prompts. Claude Code Gemini CLI CX Codex 8,603installs agent-platform-tuning-management official google skill This skill lists Agent Platform tuning jobs, checks their status, and can cancel a running job. Use it to manage existing tuning runs. Claude Code Gemini CLI CX Codex 8,507installs