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

document jsmastery-pro skill Turns a finished change into prose people actually read: a PR body, a changelog entry, release notes, a postmortem. It works from the commits and the diff. Claude Code Cursor GitHub Copilot 4,300installs ccf-humanization mikubaka88 skill A required first pass before every CCFA skill: it strips defensive hedging out of research prose and keeps the evidence, numbers and honest uncertainty. Claude Code Cursor GitHub Copilot 1,900installs unreal-niagara gamedev-skills skill Walks the agent through Niagara in Unreal Engine 5: system and emitter assets, module stacks in the spawn/update stages, effects spawned from Blueprint or C++. Claude Code Cursor GitHub Copilot 4,900installs unreal-enhanced-input gamedev-skills skill Configures Unreal Engine 5 Enhanced Input assets, C++ bindings, and triggers. Useful when wiring movement, look, and jump controls or fixing input loss on clients. Claude Code Cursor GitHub Copilot 4,900installs dotnet-webapi dotnet skill A coding-agent skill for ASP.NET Core Web API work: it keeps new endpoints in the style the project already uses, adds OpenAPI metadata and central error handling. Claude Code Cursor GitHub Copilot 4,200installs threejs-audio-generator majidmanzarpour skill A skill that turns ElevenLabs into game audio for Three.js: effects, loops, music and voice lines, written straight into the project. Claude Code Cursor GitHub Copilot 2,900installs huggingface-zerogpu huggingface skill Skill for Gradio apps on Hugging Face Spaces with ZeroGPU: where @spaces.GPU belongs, how to size duration, what breaks at the worker boundary. Claude Code Cursor GitHub Copilot 1,300installs cli-anything-anygen HKUDS skill Provides a CLI wrapper around the AnyGen OpenAPI to build slides and diagrams. Useful when automating document workflows in AI agents. Claude Code Cursor GitHub Copilot 465installs architect backnotprop skill Sketches types, signatures, and module boundaries before coding to prevent locking in the wrong shape on non-trivial tasks. Claude Code Cursor GitHub Copilot 5,300installs arena backnotprop skill Runs several parallel attempts at the same task, scores them against a rubric, then grafts the best pieces of the losers into the winning base. Claude Code Cursor GitHub Copilot 5,300installs router-core TanStack skill Entry skill for TanStack Router that points a task at the right sub-skill and pins the type-inference and client-first rules agents keep breaking. Claude Code Cursor GitHub Copilot 587installs assuredworkloads-environment-assessor official google skill Evaluates Google Cloud resources and Org Policies against data sovereignty standards. Recommends the right Assured Workloads framework before rollout. Claude Code Gemini CLI 475installs figure-it-out backnotprop skill A skill for work with no ready-made playbook: it designs the plan and a pass/fail predicate first, then runs a hypothesis loop and keeps a decision trail the reviewer can read. Claude Code Cursor GitHub Copilot 5,100installs gpt-image wuyoscar skill Type a prompt, get an image file back. The skill resolves the model first, then runs a packaged CLI for generation, reference edits or inpainting. Claude Code Cursor GitHub Copilot 553installs agents elevenlabs skill The skill builds voice AI agents on ElevenLabs: sets first_message, prompt, LLM and voice through CLI or SDK. Useful for voice assistants and support bots. Claude Code Cursor GitHub Copilot 11,000installs principle-minimize-reader-load backnotprop skill A skill that spots unnecessary layers of abstraction and hidden state slowing down code comprehension. Use it when reviewing complex code where the logic is hard to trace. Claude Code Cursor GitHub Copilot 5,000installs principle-redesign-from-first-principles backnotprop skill A skill that makes the agent rebuild an existing design as if the new requirement had been there from day one. Use it when a change ripples through types, docs, and examples. Claude Code Cursor GitHub Copilot 5,000installs sales-automator Seth Hobson subagent Drafts cold email cadences, follow-up messages, and proposal templates. Useful when building outbound outreach or lead nurturing directly inside your editor. Claude Code Cursor 1,443installs reka-ui onmax skill A skill for working with Reka UI, a library of unstyled Vue 3 components with full accessibility support. Use it when building interfaces from scratch or working with Nuxt UI and shadcn-vue. Claude Code Cursor GitHub Copilot 7,400installs migrate-nativewind-to-uniwind uni-stack skill A skill that automates migrating React Native projects from NativeWind to Uniwind. It updates configs, removes old packages, rebuilds CSS, and handles all breaking changes. Claude Code Cursor GitHub Copilot 2,000installs swiftui-view-refactor official OpenAI skill Refactors SwiftUI view files into clean, testable structures with dedicated subview types and proper Observation ownership. GP ChatGPT 113installs hormuz-strait himself65 skill Pulls the Hormuz Strait Monitor dashboard and answers whether the strait is open, how many tankers got through, and what happened to Brent. Claude Code Cursor GitHub Copilot 3,100installs react-router TanStack skill A skill that teaches your coding agent the React bindings for TanStack Router: hook reference, components, and a file-based routing setup on Vite. Claude Code Cursor GitHub Copilot 546installs hooked-ux wondelai skill Scores a product's engagement loop against the Hook Model and caps designs the Manipulation Matrix calls extractive. Useful when signups stop coming back. Claude Code Cursor GitHub Copilot 6,200installs wpds WordPress skill Feeds WordPress Design System docs to your agent through an MCP server, so UI work lands on real components and tokens instead of guesses. Claude Code Cursor GitHub Copilot 4,000installs narrow-react-prop-types humanlayer skill A skill that cuts React component prop types back to the contract your live code actually uses, then makes stories and tests match it instead of weakening it. Claude Code Cursor GitHub Copilot 1,200installs csharp-scripts dotnet skill Runs C# from a single file with dotnet, no project needed. Useful for testing a language feature or building a small utility. Claude Code Cursor GitHub Copilot 3,800installs superself fxylabs skill Manages project state via the self CLI: reads context, tracks work units, reports commits, and records decisions in an event log. Useful for Superself projects. Claude Code Cursor 1,400installs grounded-vault Niksa Barlovic skill Maintains a durable Markdown knowledge store with per-claim source provenance and zero-token drift detection against code using git diff. Claude Code Cursor 1,400installs gke-ai-troubleshooting-tpu-slice-mig-stuck-updating official google skill Diagnoses TPU Dynamic Slice creation failures and pending JobSets when the backing MIG is unstable. Use it for GKE issues tied to MIG updates or repairs. Claude Code Gemini CLI 440installs software-design-philosophy wondelai skill A design-review skill that rates module depth, information leakage and comment quality, then names the fix for each failed check. Claude Code Cursor GitHub Copilot 6,100installs asc-submission-health rorkai skill Checks whether an App Store version is ready, names each submission blocker and routes the fix through the asc CLI. Claude Code Cursor GitHub Copilot 8,000installs directory-build-organization dotnet skill A skill that decides what belongs in Directory.Build.props, .targets and .rsp, so several projects stop repeating the same MSBuild policy. Claude Code Cursor GitHub Copilot 3,700installs gke-ai-troubleshooting-tpu-vm-repair-stuck official google skill Diagnoses GKE TPU VMs stuck in REPAIRING after host errors or maintenance. Use it when a TPU slice cannot be scheduled because a VM remains in repair. Claude Code Gemini CLI 431installs quant-analyst Seth Hobson subagent Builds financial models, tests trading strategies against historical data, and calculates risk metrics. Built for algorithmic trading workflows. Claude Code Cursor 1,366installs policy-monitor official anthropics skill Diffs approved AI use cases, triage outcomes and vendor reviews against your written AI policy, then drafts the wording that closes each gap. Claude Code Cursor GitHub Copilot 706installs insforge-integrations InsForge skill A skill that walks your agent through hooking a third-party auth provider into InsForge and through taking x402 payments on an HTTP endpoint. Claude Code Cursor GitHub Copilot 55,700installs asc-metadata-sync rorkai skill A skill for the asc CLI: pull App Store Connect metadata into local JSON, validate it, push it back. Useful when you are editing localizations, keywords or store assets. Claude Code Cursor GitHub Copilot 7,800installs visual-plan BuilderIO skill Turns a plain text plan into a document with diagrams, a file map and open questions you can comment on before the agent starts writing code. Claude Code Cursor GitHub Copilot 1,300installs chdb-sql chdb-io skill A skill that teaches your agent analytical SQL over parquet, CSV, S3 and remote databases with chDB, which is ClickHouse running inside Python. No server to start. Claude Code Cursor GitHub Copilot 8,800installs