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

threejs-lighting calesthio skill Reference guide for configuring lights and shadows in Three.js scenes. Useful when placing light sources, tuning shadow maps, or fixing render artifacts. CX Codex Cursor GitHub Copilot 1,000installs threejs-fundamentals calesthio skill A skill for building Three.js scenes, setting up cameras and renderers, and working with Object3D hierarchies and transforms. CX Codex Cursor GitHub Copilot 1,000installs flux-best-practices Black Forest Labs skill Prompting guide for BFL FLUX.1 and FLUX.2 image models. Helps format scene descriptions, handle typography, and pick the right model. CX Codex Cursor GitHub Copilot 1,000installs threejs-shaders calesthio skill This skill helps write Three.js shaders, change vertices, and build custom fragment effects. Use it when built-in materials are not enough. CX Codex Cursor GitHub Copilot 1,000installs avatar-video calesthio skill Generate videos with AI avatars by choosing a character, voice, script, and background for each scene. Requires HeyGen API key. CX Codex Cursor GitHub Copilot 1,000installs cso garrytan skill Audits code and infrastructure for security findings, with reproduction and repair candidates in comprehensive mode. Use it when reviewing a project. CX Codex Cursor GitHub Copilot 405installs sketch Hermes Agent (adapted from gsd-build/get-shit-done) skill Generates 2-3 HTML mockup variants to compare design directions before you commit to production code. CX Codex Cursor GitHub Copilot 402installs argent-ios-device-setup software-mansion skill Guides coding agents through setting up a cabled physical iPhone for argent automation. Essential when testing on real hardware instead of an iOS simulator. CX Codex Cursor GitHub Copilot 10,900installs argent-ios-device-interact software-mansion skill Drives a physical iPhone through argent for app checks, gestures, screenshots, and UI waits. Use it when the target is a real device, not a simulator. CX Codex Cursor GitHub Copilot 10,900installs ai-slop-cleaner Yeachan-Heo skill Cleans bloated AI-generated code by deleting dead logic and duplicate abstractions. It keeps current behavior locked under regression tests. CX Codex Cursor GitHub Copilot 1,500installs gitnexus-guide abhigyanpatwari skill Reference guide for GitNexus MCP tools and knowledge graph schema. Helps coding agents navigate codebase dependencies and pick the right analysis tool. CX Codex Cursor GitHub Copilot 806installs woocommerce-code-review woocommerce skill Checks WooCommerce changes against PHP, JS/TS, testing, and UI copy conventions. Useful for local reviews and automated PR checks. CX Codex Cursor GitHub Copilot 1,800installs spike Hermes Agent (adapted from gsd-build/get-shit-done) skill A skill for throwaway experiments that validate an idea before you commit to building. Creates prototypes, compares approaches, and documents findings. CX Codex Cursor GitHub Copilot 399installs career-changer-translator Paramchoudhary skill Translates past work experience into target industry terminology and structures resumes around transferable skills during a career pivot. CX Codex Cursor GitHub Copilot 9,500installs resume-version-manager Paramchoudhary skill Keeps a master resume as the single source of truth, then files tailored versions by role and company. Useful once you are applying widely and lose track of what went where. CX Codex Cursor GitHub Copilot 9,500installs ctf-ai-ml ljagiello skill Provides AI and machine learning attack techniques for CTF competitions, from adversarial examples to LoRA weight inspection and prompt injection. CX Codex Cursor GitHub Copilot 7,700installs review-resume phuryn skill This skill reviews a product manager resume against 10 practices and tailors feedback to a job posting. Use it before applying. CX Codex Cursor GitHub Copilot 3,000installs market-sizing phuryn skill Skill for calculating market size using TAM, SAM, and SOM with top-down and bottom-up approaches. Helps validate market opportunity and prepare investor pitches. CX Codex Cursor GitHub Copilot 3,000installs user-personas phuryn skill Generates three detailed user personas from research data with jobs-to-be-done, pains, and behavioral insights. Helps teams segment research findings for product decisions. CX Codex Cursor GitHub Copilot 3,000installs pricing-strategy phuryn skill This skill helps choose a pricing model, compare competitors, and estimate willingness to pay. Use it before launching a plan or changing prices. CX Codex Cursor GitHub Copilot 3,000installs ideal-customer-profile phuryn skill Synthesizes customer survey data and interview transcripts into an Ideal Customer Profile (ICP). Built for product-market fit analysis and value segmentation. CX Codex Cursor GitHub Copilot 3,000installs grammar-check phuryn skill Checks drafts for grammar, reasoning and flow issues, then suggests focused edits. Use it when reviewing copy, documentation or a message before sending. CX Codex Cursor GitHub Copilot 3,000installs metrics-dashboard phuryn skill A skill that helps you design a product metrics dashboard with North Star Metric, Input Metrics, Health Metrics, and Business Metrics. Use it when defining KPIs, setting up product analytics, or building a data monitoring plan. CX Codex Cursor GitHub Copilot 3,000installs swot-analysis phuryn skill Runs a structured SWOT analysis for a product or business and produces actionable recommendations. Helpful during strategic assessment and competitive evaluation. CX Codex Cursor GitHub Copilot 3,000installs brainstorm-ideas-existing phuryn skill Skill to brainstorm product ideas for an existing product from PM, Designer, and Engineer perspectives. Use it to generate features, solve identified opportunities, or ideate with your product trio. CX Codex Cursor GitHub Copilot 3,000installs mem0-vercel-ai-sdk mem0ai skill Connects Mem0 memory to the Vercel AI SDK. It shows your agent how to retrieve and store context inside generateText and streamText calls. CX Codex Cursor GitHub Copilot 508installs nestjs-expert https://github.com/Jeffallan skill A skill for designing and building NestJS backends in TypeScript: modules, services, controllers, validation, authentication and testing. Use it when building REST APIs or GraphQL services with enterprise patterns. CX Codex Cursor GitHub Copilot 5,900installs database-optimizer https://github.com/Jeffallan skill Investigates slow PostgreSQL and MySQL queries, breaks down execution plans with EXPLAIN ANALYZE, and drafts indexes without table locks. CX Codex Cursor GitHub Copilot 5,900installs java-architect https://github.com/Jeffallan skill Build Spring Boot services, implement reactive endpoints, tune JPA queries, and configure OAuth2 or JWT security with a skill that guides implementation and testing. CX Codex Cursor GitHub Copilot 5,900installs scientific-visualization K-Dense-AI skill Generates and audits publication-ready scientific figures in Matplotlib, Seaborn, and Plotly, focusing on truthful data encoding and accessibility. CX Codex Cursor GitHub Copilot 2,400installs scientific-writing K-Dense-AI skill This skill drafts and audits scientific manuscripts and reports while tying claims to verified evidence. Use it for sections, references, declarations, and submission checks. CX Codex Cursor GitHub Copilot 2,400installs use-modern-go JetBrains skill Checks Go code against current, version-specific idioms. Useful before writing, fixing, or refactoring project code. CX Codex Cursor GitHub Copilot 2,600installs debug-issue tirth8205 skill This skill traces bugs through a code graph before source inspection, then checks call paths and change impact. Use it when an issue needs a narrower debugging scope. CX Codex Cursor GitHub Copilot 1,000installs node-inspect-debugger Hermes Agent skill Skill brings real breakpoints, step through, and variable inspection to Node.js debugging instead of console.log. Works with any Node process: tests, dev servers, Ink components. CX Codex Cursor GitHub Copilot 396installs cf-cli cloudflare skill Cloudflare's official CLI for the public API and Workers projects, now available in your editor. Search for commands by task description, manage DNS, storage, and deployments. CX Codex Cursor GitHub Copilot 10,700installs qa-only garrytan skill Reports bugs across browser apps, APIs, CLI tools, and background workers without touching your codebase. Useful for verification runs before a release. CX Codex Cursor GitHub Copilot 395installs himalaya community skill Lets an agent work with a mailbox from the terminal through Himalaya CLI. Use it to read, search, send, and organise email. CX Codex Cursor GitHub Copilot 392installs home-assistant-best-practices homeassistant-ai skill Enforces native Home Assistant patterns for AI coding agents: favors built-in helpers, replaces device_id with entity_id, and fixes automation modes. CX Codex Cursor GitHub Copilot 8,600installs popbill NomaDamas skill Prepares the agent to interact with South Korean Popbill services for tax invoices, cash receipts, and business checks in test and live setups. CX Codex Cursor GitHub Copilot 4,300installs comfyui NousResearch skill This skill runs ComfyUI workflows for image, video, and audio generation. Use it when an agent needs to prepare, execute, or monitor a workflow. CX Codex Cursor GitHub Copilot 391installs