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

copywriting sickn33 skill Skill for writing clear, conversion-focused marketing copy for landing pages and emails. Forces you to understand audience and context first, blocks fabricated claims and statistics. Claude Code CX Codex Cursor 1,600installs prompt-engineer sickn33 skill Transforms unstructured prompts into structured prompts using frameworks like RTF, RISEN, and Chain of Thought. Helpful when a task needs clearer instructions. Claude Code CX Codex Cursor 1,600installs gateway-workers cloudflare skill Skill for building, debugging, and reviewing Cloudflare Workers triggered by Forward actions in Gateway HTTP policies. Work with GatewayMiddleware, context types, and request continuation. Claude Code CX Codex Cursor 7,700installs workflow Vercel Inc. skill Builds durable, resumable tasks with the Vercel Workflow SDK when operations must survive server restarts or pause for external events. Claude Code CX Codex Cursor 5,300installs mcp-developer https://github.com/Jeffallan skill A skill for building and debugging MCP servers and clients in TypeScript or Python, with tool schemas, transport setup and protocol checks in the inspector. Claude Code CX Codex Cursor 4,200installs django-expert https://github.com/Jeffallan skill Guides Django 5.0 and DRF development by enforcing indexed models, ORM query optimization with select_related, and JWT authentication. Claude Code CX Codex Cursor 4,200installs feature-forge https://github.com/Jeffallan skill A skill that runs a requirements interview and turns a feature idea into a spec: EARS requirements, acceptance criteria and an implementation checklist. Claude Code CX Codex Cursor 4,200installs exa-search K-Dense-AI skill Skill for searching scientific and technical content via Exa with text extraction from pages and PDFs in batches. Supports filtering by publication category and academic domains. Claude Code CX Codex Cursor 1,700installs autoskill K-Dense-AI skill Analyzes Screenpipe activity windows to detect repeating research workflows and drafts new skills for review. Runs strictly on explicit user demand. Claude Code CX Codex Cursor 1,700installs stream-chain ruvnet skill Chains sequential agent steps together using streaming JSON flow and provides ready-to-run pipelines. Claude Code CX Codex Cursor 1,200installs flow-nexus-swarm ruvnet skill Deploy cloud-based AI agent swarms and define event-driven workflows with message queues. Use it to coordinate tasks, inspect runs, and scale a swarm. Claude Code CX Codex Cursor 1,200installs performance-analysis ruvnet skill Detects bottlenecks in Claude Flow swarms, profiles agent operations, and generates reports with actionable optimization recommendations. Claude Code CX Codex Cursor 1,200installs agentic-jujutsu ruvnet skill Coordinates multiple AI agents working on code simultaneously without version control locks, learning from execution trajectories. Claude Code CX Codex Cursor 1,200installs swarm-advanced ruvnet skill A skill that lays out how to run a swarm of agents for research, development or testing: topologies, task strategies and ready MCP calls for claude-flow. Claude Code CX Codex Cursor 1,200installs github-release-management ruvnet skill Automates GitHub releases: drafts, changelogs, builds, multi-target deploys. Handy when releases ship often and manual steps eat the afternoon. Claude Code CX Codex Cursor 1,200installs sparc-methodology ruvnet skill Structures development into SPARC phases with Claude Flow multi-agent orchestration. Useful for running projects from specification and architecture down to TDD tests and review. Claude Code CX Codex Cursor 1,200installs Pair Programming ruvnet skill This skill runs AI-assisted pair programming with driver and navigator roles, code checks, testing, and dedicated TDD, debugging, and mentor modes. Claude Code CX Codex Cursor 1,200installs github-multi-repo ruvnet skill A skill for coordinating several repositories at once: it aligns package versions, checks cross-package integration and suggests structure changes. Claude Code CX Codex Cursor 1,200installs variant-analysis trailofbits skill Finds related occurrences of an already identified defect across a repository. Use it after a vulnerability or logic issue turns up and similar code needs checking. Claude Code CX Codex Cursor 6,400installs chrome-cdp pasky skill Connects AI coding agents to an active Chrome browser session using DevTools Protocol. Useful for inspecting open tabs, clicking elements, and taking viewport screenshots. Claude Code CX Codex Cursor 2,100installs roundup official github skill Pulls from GitHub, email, Teams and Slack, then drafts a status briefing in your own writing style. Useful when you owe the same update every week. 1,300installs roundup-setup official github skill Learns your communication style from answers and status examples, then configures personalized briefings. Use it before running roundup for draft updates. 1,300installs geofeed-tuner official Sid Mathur skill Validates and refines CSV IP geolocation feeds against RFC 8805 standards. Useful for network operators and cloud providers publishing geofeeds. 1,300installs daily-prep official github skill Builds an HTML prep file for the next workday from your Outlook calendar, open tasks, and workspace context. Useful before meetings and weekly planning. 1,300installs ads-attribution AgriciDaniel skill Audits advertising attribution across platforms and blocks totals built from incompatible conversion reports. Use it when GA4, MMP, or platform figures disagree. Claude Code CX Codex Cursor 3,400installs conventional-commit-message dangreen skill Generates changelog-ready commit messages following Conventional Commits 1.0.0 and conventional-changelog presets. It guides AI agents on type selection and breaking changes. Claude Code CX Codex Cursor 944installs application-form-filler Paramchoudhary skill A skill that fills job application form fields with answers built from the candidate's CV and the job description. Handy when every ATS question needs a tailored response. Claude Code CX Codex Cursor 6,600installs cold-email-writer Paramchoudhary skill Drafts concise cold outreach emails to founders and hiring managers. It cuts generic cover-letter fluff and focuses on specific product insights. Claude Code CX Codex Cursor 6,600installs edge-to-edge Google LLC skill Migrates Jetpack Compose apps to adaptive edge-to-edge layouts and fixes content blocked by system bars or the keyboard. Claude Code CX Codex Cursor 3,200installs navigation-3 Google LLC skill A reference skill for Jetpack Navigation 3: the move from Navigation 2 plus ready recipes for deep links, multiple back stacks, scenes, Hilt and ViewModel. Claude Code CX Codex Cursor 3,200installs langchain-middleware langchain-ai skill Adds middleware hooks for LangChain agents: pauses execution before dangerous tool calls, lets a human approve, edit or reject the action, intercepts calls for logging and retry logic. Claude Code CX Codex Cursor 16,200installs swift-expert https://github.com/Jeffallan skill A Swift skill that walks the agent through architecture, SwiftUI state, async/await and actors, with build checks in between. Built for iOS and macOS work. Claude Code CX Codex Cursor 4,100installs langfuse langfuse skill Equips your coding agent to inspect traces, manage prompts, and run evaluations in Langfuse. Useful when instrumenting LLM calls or building test datasets. Claude Code CX Codex Cursor 19,700installs ios-application-dev MiniMax-OpenSource skill A reference skill for iOS interfaces: UIKit, SnapKit and SwiftUI, with checklists for layout, Dynamic Type, Dark Mode and accessibility. Claude Code CX Codex Cursor 2,100installs deep-agents-orchestration langchain-ai skill Guides setup of orchestration in Deep Agents: subagent delegation, todo planning, and human approval interrupts. Claude Code CX Codex Cursor 16,100installs browser browserbase skill Automates browser navigation via the browse CLI. Useful for data extraction, filling forms, and navigating sites behind bot protection. Claude Code CX Codex Cursor 5,900installs seo iannuttall skill Lets your coding agent read your own Search Console, Analytics, Bing and Clicky numbers, plus keyword and backlink research from DataForSEO or Ahrefs. Claude Code CX Codex Cursor 11,500installs langchain-dependencies langchain-ai skill Provides verified package versions and dependency rules for LangChain, LangGraph, and LangSmith. Helps set up clean Python or TypeScript projects without version conflicts. Claude Code CX Codex Cursor 16,000installs test-writer leonardomso skill Generates Vitest test suites for code examples in JavaScript concept documentation pages. Helps verify documentation snippets before publishing. Claude Code CX Codex Cursor 352installs deep-agents-core langchain-ai skill Skill for building multi-step agents with task planning, context management, and task delegation. Built-in filesystem tools, persistent memory across sessions, and subagent spawning—configure, don't code. Claude Code CX Codex Cursor 15,900installs