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

cmux-ghostty manaflow-ai skill Enforces workflow guidelines for the Ghostty submodule and GhosttyKit compilation in cmux. Useful when syncing the fork or committing submodule pointers. CX Codex Cursor GitHub Copilot 4,700installs cmux-localization manaflow-ai skill A skill for managing translations of user-facing strings in your interface. Runs an audit whenever you change button text, menus, tooltips, or error messages. CX Codex Cursor GitHub Copilot 4,700installs cmux-release manaflow-ai skill Automates the cmux release pipeline by extracting changelog lines from pull requests, bumping versions, and running safety checks. CX Codex Cursor GitHub Copilot 4,700installs cmux-debugging manaflow-ai skill Skill for adding debug logging, diagnosing UI and runtime issues in cmux. Use when working with terminal rendering, tab lists, drag-and-drop, or testing across macOS versions. CX Codex Cursor GitHub Copilot 4,700installs workflow-orchestration-patterns Seth Hobson skill This skill helps design long-running Temporal workflows with clear workflow and activity boundaries, state handling, and recovery rules for distributed systems. CX Codex Cursor 12,053installs iam-helper-for-policy-simulator official google skill This skill replays recent access logs against a proposed IAM policy, so you see who loses access before the change goes live. Gemini CLI CX Codex 3,800installs unity-ecs-patterns Seth Hobson skill A skill for building Unity games with ECS, DOTS, Jobs, and Burst. Use it for large entity counts or CPU-bound game logic. CX Codex Cursor 12,027installs argent-android-emulator-setup software-mansion skill This skill connects an Android emulator through argent MCP tools. Use it to find a device or boot an AVD before working with an Android UI. CX Codex Cursor GitHub Copilot 26,500installs dfam-check earthtojake skill Measures mesh files against Design for Additive Manufacturing rules to evaluate printability before slicing or running CAD regeneration. CX Codex Cursor GitHub Copilot 4,100installs helm-chart-scaffolding Seth Hobson skill This skill helps create and maintain Helm charts for Kubernetes, build reusable templates, and prepare deployments for multiple environments. CX Codex Cursor 11,964installs argent-react-native-optimization software-mansion skill Profiles React Native apps to pinpoint runtime bottlenecks and fixes mechanical code issues. It steps in when user screens stutter, startup lags, or re-renders spike. CX Codex Cursor GitHub Copilot 26,400installs hatch-pet nexu-io skill Creates, validates, and packages 8×9 animated pet spritesheets for Codex. Use it when turning visual references or concept prompts into importable digital pet companions. CX Codex Cursor GitHub Copilot 3,100installs design-md nexu-io skill Creates and maintains DESIGN.md with design direction, tokens, and visual rules. Useful when an agent needs one source of truth for a project’s design system. CX Codex Cursor GitHub Copilot 3,100installs d3-visualization nexu-io skill This skill teaches the agent to create interactive D3.js visualizations. Use it to generate charts for dashboards, reports, and data-rich prototypes. CX Codex Cursor GitHub Copilot 3,100installs design-review nexu-io skill Audits UI visually, fixes flaws with atomic commits, and captures before/after screenshots. Useful for tightening shipped interface code right before launch. CX Codex Cursor GitHub Copilot 3,100installs argent-react-native-profiler software-mansion skill Profiles a React Native Hermes app to measure re-renders and CPU use. Use it to compare a fix, find slow components, or inspect hotspots. CX Codex Cursor GitHub Copilot 26,300installs argent-react-native-app-workflow software-mansion skill Provides step-by-step procedures for building, running, and debugging React Native apps on iOS simulators or Android emulators. Helps resolve Metro issues and build crashes. CX Codex Cursor GitHub Copilot 26,300installs argent-ios-simulator-setup software-mansion skill A skill for connecting to an iOS simulator via argent MCP tools. Use it to find a booted simulator, get its UDID, and prepare for any interaction task. CX Codex Cursor GitHub Copilot 26,300installs argent-native-profiler software-mansion skill Profiles native performance on iOS and Android to find CPU hotspots and UI hangs. It also analyzes memory leaks on iOS. CX Codex Cursor GitHub Copilot 26,200installs argent-metro-debugger software-mansion skill A skill that connects a debugger to a JS runtime via CDP. Inspect React components, read console logs, and evaluate code live. Works with React Native (iOS, Android, Vega) and Chromium apps (Electron, browsers). CX Codex Cursor GitHub Copilot 26,200installs argent-test-ui-flow software-mansion skill A skill for autonomous iOS and Android UI testing in Claude Code. Runs interact-screenshot-verify loops through argent MCP tools to check flows and screens. CX Codex Cursor GitHub Copilot 26,200installs flutter-expert https://github.com/Jeffallan skill Skill for building cross-platform apps with Flutter 3+ and Dart. Covers widgets, state management via Riverpod or Bloc, GoRouter navigation, and performance optimization. CX Codex Cursor GitHub Copilot 14,300installs ui-skills-root ibelick skill A UI task router that picks the right skill before interface work. Run npx ui-skills start to launch it and let the agent select just enough context to solve the problem. CX Codex Cursor GitHub Copilot 7,100installs python-resilience Seth Hobson skill A Python skill for retries, timeouts, backoff, and transient failure handling. Use it when external services or network calls need bounded recovery. CX Codex Cursor 11,755installs typescript-pro https://github.com/Jeffallan skill Implements advanced TypeScript type systems, branded types, and tRPC configurations. Use it when building type-first APIs or complex discriminated unions. CX Codex Cursor GitHub Copilot 14,200installs memory-safety-patterns Seth Hobson skill This skill applies ownership, RAII, smart pointers, and resource management to Rust, C++, and C. Use it for systems code or memory-bug debugging. CX Codex Cursor 11,746installs gke-ai-troubleshooting-tpu-metrics-monitoring official google skill Monitors GKE TPU workloads with system metrics and PromQL. Use it to investigate node health, TPU memory, node pool availability, and interruptions. Gemini CLI CX Codex 3,700installs gke-ai-troubleshooting-tpu-dynamic-slices-monitoring official google skill Checks GKE TPU Dynamic Slice status, investigates provisioning failures, and validates manifests for single-slice and JobSet workloads. Gemini CLI CX Codex 3,700installs cloud-monitoring-promql-query official google skill Generates PromQL queries for Cloud Monitoring metrics and resources. Use it when you need a query or aggregation for a known metric type. Gemini CLI CX Codex 3,700installs market-sizing-analysis Seth Hobson skill Calculates TAM, SAM, and SOM for market opportunities with three methods. Use it to test a venture idea, estimate addressable revenue, or build pitch analysis. CX Codex Cursor 11,715installs python-pro Seth Hobson subagent A subagent for modern Python 3.12+ development, async code, testing, APIs, and performance work. Use it when a project needs deeper Python guidance. CX Codex Cursor 11,689installs apify-ultimate-scraper apify skill Connects your coding agent to Apify actors to extract web data from social networks, maps, and search engines into structured JSON or CSV files. CX Codex Cursor GitHub Copilot 16,300installs kubernetes-specialist https://github.com/Jeffallan skill This skill helps create and validate Kubernetes manifests, set workload security, and troubleshoot failing pods. Use it for deployment and cluster operations. CX Codex Cursor GitHub Copilot 14,100installs vue-pinia-best-practices github.com/vuejs-ai skill A skill covering Pinia best practices: avoid common store setup errors, preserve reactivity, and organize state management patterns in Vue projects. CX Codex Cursor GitHub Copilot 16,800installs gitops-workflow Seth Hobson skill This skill guides Kubernetes GitOps setup with ArgoCD or Flux. Use it to deploy from Git and keep cluster state aligned with declarative configuration. CX Codex Cursor 11,650installs xlsx-author official anthropics skill Skill to create .xlsx files on disk without a running Excel when an agent operates headless. Use it to deliver a finished workbook as a file artifact instead of editing live. CX Codex Cursor GitHub Copilot 1,400installs contract-review official anthropics skill Reviews NDAs, MSAs, and vendor contracts, flags risky terms, and creates a marked-up DOCX. Use it before signing an agreement. CX Codex Cursor GitHub Copilot 2,500installs python-observability Seth Hobson skill A skill that gives your agent Python observability patterns: structured logging, Prometheus metrics, distributed tracing. Useful when production breaks and the logs don't tell you where. CX Codex Cursor 11,547installs shellcheck-configuration Ryan Snodgrass skill This skill guides ShellCheck setup and use for shell script analysis. Use it when adding CI/CD linting, fixing warnings, or checking script portability. CX Codex Cursor 11,533installs docx nexu-io skill Create, edit, and analyze Word documents with tracked changes, comments, and formatting. Use it for design briefs, copy docs, and materials ready for review. CX Codex Cursor GitHub Copilot 3,000installs