Codex skills, plugins, subagents, slash commands and mcp servers

code-refactoring-refactor-clean sickn33 skill Analyzes code smells and plans stepwise refactoring based on SOLID and clean code principles. Helps clean tangled modules before introducing new features. Claude Code Cursor GitHub Copilot 1,200installs blockchain-developer sickn33 skill This skill guides smart contract, Web3 application, and decentralized-system work. Use it for design, reviews, and transaction checks before any on-chain action. Claude Code Cursor GitHub Copilot 1,200installs production-code-audit sickn33 skill Skill for systematic code review covering security flaws, logic errors and performance issues before deployment. Identifies specific problems, proposes fixes and validates them. Claude Code Cursor GitHub Copilot 1,200installs ai-prompt-research every-app skill This skill discovers questions people ask ChatGPT about your niche, shows how the model answers them, and reveals which sites it cites. Learn where your brand appears in AI responses and where competitors show up instead. Claude Code Cursor GitHub Copilot 837installs groups-and-containers phaserjs skill A Phaser 4 skill covering Group, Container and Layer, object pooling and nested transforms, so you stop guessing how to organise sprites. Claude Code Cursor GitHub Copilot 790installs huggingface-papers huggingface skill Pulls the paper ID out of a Hugging Face or arXiv link, reads the page as markdown, and fetches authors, models and datasets from the papers API. Claude Code Cursor GitHub Copilot 2,200installs huggingface-llm-trainer huggingface skill Runs language and vision model fine-tuning on Hugging Face Jobs with TRL or Unsloth and converts checkpoints to GGUF without local GPUs. Claude Code Cursor GitHub Copilot 2,200installs dart-generate-test-mocks dart-lang skill A Dart testing skill: the agent injects external services through constructors, generates mock classes with mockito and build_runner, then writes the unit test. Claude Code Cursor GitHub Copilot 18,200installs pptx-visual-assets kimtth skill Places approved icons, images, SVGs, and diagrams onto editable PPTX decks with precise bounding boxes and verified rights. Claude Code Cursor 2,600installs pptx-slide-specification kimtth skill A skill for writing and repairing coordinate-explicit JSON specs of slides, so an editable PPTX deck builds the same way every time. Claude Code Cursor 2,600installs vision-sft Seth Hobson skill This skill configures supervised fine-tuning for vision-language models on image and text data. Use it when adapting a VLM to a new visual domain. Claude Code Cursor 2,600installs quantized-export Seth Hobson skill Exports promoted checkpoints and LoRA adapters as FP8, AWQ, GGUF, or merged safetensors. Use it before deploying a model. Claude Code Cursor 2,600installs 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code Cursor 2,600installs hermes-tweet Xquik skill Connects X/Twitter research and gated posting tools to Hermes Agent workflows. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code Cursor GitHub Copilot 2,600installs write-pr tldraw skill Sets PR title and description standards: semantic types, structured templates, and reviewer-focused writing rules. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code 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. Claude Code Gemini CLI 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. Claude Code 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. Claude Code Cursor GitHub Copilot 1,600installs 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. Claude Code 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. Claude Code Cursor GitHub Copilot 893installs