Claude Code skills, plugins, subagents, slash commands and mcp servers

preference-optimization Seth Hobson skill Selects and tunes model alignment methods: DPO, ORPO, KTO, or SimPO. Use it when training on preference pairs or binary thumbs-up feedback. CX Codex Cursor 2,600installs lora-qlora-recipes Seth Hobson skill This skill configures LoRA and QLoRA supervised fine-tuning, from target modules to rank and learning rate. Use it when reviewing an adapter training setup. CX Codex Cursor 2,600installs grpo-rlvr-training Seth Hobson skill Configures GRPO and RLVR training pipelines for tasks with verifiable outcomes. Useful when evaluating models with code execution, unit tests, or strict schemas. CX Codex Cursor 2,600installs finetuning-method-selection Seth Hobson skill This skill decides whether fine-tuning is needed and routes the task to a method based on its data and goal. Use it before a training run. CX Codex Cursor 2,600installs eval-harness-first Seth Hobson skill Builds the evaluation harness before fine-tuning with goldens, graders, judge calibration, and a base-model baseline. Useful for tracking regressions. CX Codex Cursor 2,600installs dataset-curation Seth Hobson skill This skill formats and checks datasets for model fine-tuning. Use it to prepare data for SFT or preference training before a run. CX Codex Cursor 2,600installs checkpoint-promotion Seth Hobson skill Gates a trained checkpoint before release by checking data quality, capability drift, forgetting, and paired results against the base model. CX Codex Cursor 2,600installs hermes-tweet Xquik skill Connects X/Twitter research and gated posting tools to Hermes Agent workflows. CX Codex Cursor 2,600installs weekly-review cursor skill This skill pulls your commits from the past 7–10 days, groups them by work type, and produces a brief report for status updates and retrospectives. Requires a configured git with email set. CX Codex Cursor GitHub Copilot 2,400installs control-ui cursor skill Inspects and tests local web, IDE, or Electron interfaces via browser automation and CDP. Captures screenshots, traces, and verifies UI changes without extra dependencies. CX Codex Cursor GitHub Copilot 2,400installs fix-ci cursor skill This skill finds failed PR checks, examines logs, and guides small fixes. Use it when branch or pull request CI is failing. CX Codex Cursor GitHub Copilot 2,400installs control-cli cursor skill Builds a local harness to drive, test, and profile interactive CLI or TUI tools. Catches UI regressions, memory leaks, and hangs without third-party services. CX Codex Cursor GitHub Copilot 2,400installs cron-schedule ruvnet skill Schedules background worker runs via CronCreate during an active session. Useful for recurring security audits, test gap reviews, and codebase mapping. CX Codex Cursor GitHub Copilot 902installs time-and-timers phaserjs skill Guides AI agents on configuring Clock, TimerEvent delays, loops, and Timelines in Phaser 4. Useful when scripting game loops. CX Codex Cursor GitHub Copilot 786installs react-email vercel-labs skill Turns JSON email specs into HTML or plain-text output with React Email. Use it for email catalogs, generated specs, and transactional message templates. CX Codex Cursor GitHub Copilot 1,400installs vue vercel-labs skill A skill to convert JSON specifications into Vue 3 components with data binding, visibility conditions, and action handling. Use it if you generate interfaces via AI or build UIs from JSON. CX Codex Cursor GitHub Copilot 1,400installs iot-firmware ruvnet skill Orchestrates firmware rollouts across fleets using canary deployments and anomaly gates. Helpful when shipping updates to connected hardware without risking outages. CX Codex Cursor GitHub Copilot 900installs nitro Anthony Fu skill A skill with Nitro v3 references: file-based routing, route rules, caching, storage and deployment presets. Use it when the agent edits nitro.config or writes H3 handlers. CX Codex Cursor GitHub Copilot 2,600installs write-pr tldraw skill Sets PR title and description standards: semantic types, structured templates, and reviewer-focused writing rules. CX Codex Cursor GitHub Copilot 419installs dart-build-cli-app dart-lang skill Skill for building command-line applications in Dart. Provides architectural patterns, entrypoint structure, exit codes, stream routing, and subprocess spawning. CX Codex Cursor GitHub Copilot 18,000installs dart-migrate-to-checks-package dart-lang skill Migrates Dart test suites from legacy package:matcher to package:checks. Useful when modernizing test assertions for static type safety and detailed diagnostics. CX Codex Cursor GitHub Copilot 18,000installs validate-skills Callstack skill Checks skills in skills/ against the agentskills.io specification and Claude Code practices. Use it when authoring or reviewing a skill collection. CX Codex Cursor GitHub Copilot 7,200installs image-to-ui UIZZE skill Turn a screenshot, mockup, or sketch into working interface code. The skill views the image, reproduces it exactly in code, then renders and compares to fix any mismatches. CX Codex Cursor GitHub Copilot 63,500installs gke-ai-troubleshooting-node-unresponsive-timeout official google skill Diagnoses unresponsive GKE TPU and GPU nodes stuck in NodeStatusUnknown. Pinpoints kernel panics and missing kubelet heartbeats when node auto-repair is disabled. Gemini CLI CX Codex 810installs mmx-cli MiniMax-AI skill Teaches your agent to use the MiniMax CLI directly from the terminal. Helps generate text, images, video, speech, and music inside coding workflows. CX Codex Cursor GitHub Copilot 1,600installs minimax-music-gen MiniMax-AI skill A Claude Code skill that turns a description into an MP3 — vocals, instrumental or a cover — through the MiniMax Music API and the mmx tool. CX Codex Cursor GitHub Copilot 1,600installs penetration-tester VoltAgent Community subagent Runs authorized security tests, validates vulnerabilities and reports remediation steps. Use it to assess systems within an agreed scope. 2,407installs external-context Yeachan-Heo skill This skill breaks down your query into multiple search facets and spawns parallel document-specialist agents to search documentation and web simultaneously. Useful for gathering context on a topic or comparing approaches. CX Codex Cursor GitHub Copilot 784installs deep-research ruvnet skill Orchestrates multi-phase research using web search, codebase analysis, and memory storage. It generates structured findings with evidence ratings for complex topics. CX Codex Cursor GitHub Copilot 893installs events-system phaserjs skill Guides Phaser 4 event work, from listeners and custom signals to communication between scenes. Use it when editing code with on, emit, or EventEmitter. CX Codex Cursor GitHub Copilot 778installs api-docs ruvnet skill Skill that turns TypeScript and JavaScript source into documentation: it finds public exports, reads existing JSDoc, writes the missing comments and emits OpenAPI 3.0 for HTTP endpoints. CX Codex Cursor GitHub Copilot 891installs userinterface-wiki raphael-salaja skill Handbook of 152 UI/UX rules for web interfaces. Skill checks animations, typography, audio feedback and UX patterns, reports errors with file:line precision. CX Codex Cursor GitHub Copilot 4,500installs adaptive Google LLC skill Guides the agent in adapting Android Compose UI for foldables, tablets, desktop, and phones. Helpful when supporting multiple screen sizes and input devices. CX Codex Cursor GitHub Copilot 2,400installs filters-and-postfx phaserjs skill Applies visual filters and post-processing in Phaser 4. Helps configure blur, glow effects, and shader masks. CX Codex Cursor GitHub Copilot 772installs configure-notifications Yeachan-Heo skill Configures Telegram, Discord, or Slack alerts through an interactive agent dialog. It alerts you when background runs complete or Claude awaits your input. CX Codex Cursor GitHub Copilot 775installs tavily-extract tavily-ai skill Extracts clean text or Markdown from specified pages with Tavily CLI. Use it for JavaScript-rendered content or query-focused page chunks. CX Codex Cursor GitHub Copilot 18,000installs kill-ai-slop yetone skill Finds and removes the generic visual and copy tics that make a site look machine-generated. Use it when a landing page or UI feels templated and needs a human touch. CX Codex Cursor GitHub Copilot 3,200installs prd-development deanpeters skill Guides you through writing a structured PRD from discovery notes and user research for engineering handoff. Best for major product initiatives. CX Codex Cursor GitHub Copilot 4,700installs render-textures phaserjs skill Explains off-screen rendering in Phaser 4, covering RenderTexture game objects, DynamicTexture assets, Stamp helpers, and command buffers. CX Codex Cursor GitHub Copilot 767installs opencode-delegate amElnagdy skill Hands coding tasks to OpenCode CLI as a background worker and returns diffs for your review. Keeps manual git commits under your control. CX Codex Cursor GitHub Copilot 6,600installs