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

media-use heygen-com skill Finds or generates media for HyperFrames videos, including voiceovers, music, cutouts, and color grades. Stores files locally in assets. CX Codex Cursor GitHub Copilot 1,100,000installs wait-what Matt Pocock skill This skill asks Claude Code to re-pitch an unclear explanation with more context. It suits repositories that maintain a shared technical vocabulary. 448,541installs systematic-debugging Jesse Vincent skill Makes the agent investigate the cause of a failure before it suggests a patch. Use it for failing tests, build errors, and behaviour that does not match expectations. CX Codex 306,118installs hyperframes-registry heygen-com skill Finds and installs about 450 ready-made HyperFrames blocks and components as editable source code. Useful when adding video effects and titles without building markup from scratch. CX Codex Cursor GitHub Copilot 1,000,000installs ui-ux-pro-max nextlevelbuilder skill Equips coding agents with a local catalog of 119 UX guidelines, 74 font pairings, and 192 product palettes. Useful when designing components or tuning accessibility. CX Codex Cursor GitHub Copilot 413,800installs impeccable pbakaus skill A skill for your coding agent that designs and reworks interfaces: landing pages, dashboards, forms, iOS and Android screens. Useful when the UI needs real design decisions, not guesswork. CX Codex Cursor GitHub Copilot 359,200installs writing-plans Jesse Vincent skill This skill turns requirements for a multi-step task into an implementation plan before code changes begin. It helps when another engineer needs exact files, interfaces, and checks. CX Codex 282,859installs using-superpowers Jesse Vincent skill Checks for relevant skills before an agent responds or takes action. Use it when you want a fixed workflow for handling tasks. CX Codex 270,479installs requesting-code-review Jesse Vincent skill Sends completed work to a reviewer subagent after a task, major feature, or before merging to main. It keeps the review focused on the change and its requirements. CX Codex 262,135installs test-driven-development Jesse Vincent skill This skill guides an agent through test-first development: verify a test fails, write the smallest passing change, then refactor. It covers features, bug fixes, and behavior changes. CX Codex 259,292installs mcp-builder official anthropics skill This skill walks through building an MCP server in TypeScript or Python, from reading the protocol spec to writing tests and evaluation questions. Claude.ai 130,949installs verification-before-completion Jesse Vincent skill This skill blocks completion claims until the agent runs a fresh check and reads the result. Use it before commits or PRs when an agent report is not enough. CX Codex 251,313installs executing-plans Jesse Vincent skill Runs an implementation plan in the current session instead of assigning each task to a subagent. Use it for inline work with TDD, a decision ledger, and a final branch review. CX Codex 242,988installs subagent-driven-development Jesse Vincent skill This skill runs an implementation plan through fresh subagents for independent tasks and reviews each result. Use it for multi-step work in one session. CX Codex 237,746installs canvas-design official anthropics skill Builds posters and visual art in .png and .pdf by first writing a design philosophy, then expressing it on the canvas. Claude.ai 121,543installs caveman JuliusBrussee skill Cuts filler and polite greetings from agent responses while keeping technical facts and code exact. Stays active until turned off. CX Codex Cursor GitHub Copilot 591,500installs receiving-code-review Jesse Vincent skill Reviews code review feedback before changes: it clarifies unclear points, checks the repository, and supports reasoned pushback. Use it before acting on review comments. CX Codex 221,216installs dispatching-parallel-agents Jesse Vincent skill Dispatches independent tasks to separate subagents so they can investigate them in parallel. Use it for unrelated test failures and separate broken subsystems. CX Codex 218,235installs writing-skills Jesse Vincent skill Applies a TDD workflow to authoring and checking agent skills: observe failure first, then write instructions that address it. Use it when creating or editing SKILL.md files. CX Codex 217,894installs using-git-worktrees Jesse Vincent skill Prepares an isolated workspace before feature work or plan execution. It checks the repository first, then uses native worktree support or Git. CX Codex 217,153installs web-artifacts-builder official anthropics skill This skill builds complex claude.ai HTML artifacts with React, Tailwind CSS, and shadcn/ui. Use it for interfaces with state or routing. Claude.ai 112,122installs finishing-a-development-branch Jesse Vincent skill This skill checks the test suite and guides branch completion: merge locally, open a Pull Request, or leave the work in place. CX Codex 214,439installs implement-spec Matt Pocock skill Implements a prepared spec from its ticket graph on one integration branch, using parallel subagents. Use it when tickets have blocking dependencies. 283,700installs brand-guidelines official anthropics skill Applies Anthropic's official brand colors and fonts to documents, slides and other artifacts. Useful whenever something needs to match the company look. Claude.ai 109,043installs retro Matt Pocock skill Reviews a coding session and suggests changes to the agent environment for later runs. Use it after mistakes, slow repository navigation, or costly tool calls. 276,027installs archify tt-a1i skill Creates checked diagrams and one-page explainers as standalone HTML. Use it to show a system’s structure, data flow, or database schema. CX Codex Cursor GitHub Copilot 173,300installs theme-factory official anthropics skill Applies preset color palettes and font pairs to slides, documents, and HTML pages. Use it when an artifact needs one consistent visual style. Claude.ai 94,921installs doc-coauthoring official anthropics skill Guides document drafting through context collection, section work, and a reader check. Use it for specs, RFCs, proposals, and decision documents. Claude.ai 93,900installs orca-cli stablyai skill The skill lets an agent manage Orca worktrees, terminals, artifacts and the built-in browser through the orca CLI. Useful when your work already runs inside Orca. CX Codex Cursor GitHub Copilot 353,000installs orchestration stablyai skill Coordinates supervised Orca workers with task DAGs, decision gates, and threaded messages. Fits workflows that split work across multiple agents. CX Codex Cursor GitHub Copilot 349,200installs algorithmic-art official anthropics skill Creates p5.js generative art with seeded randomness and adjustable parameters. Use it for flow fields, particle systems, and code-based visual experiments. Claude.ai 89,081installs caveman-commit JuliusBrussee skill Generates terse Conventional Commits messages focused strictly on intent. Ideal for keeping git history clean without boilerplate or AI signatures. CX Codex Cursor GitHub Copilot 414,700installs caveman-review JuliusBrussee skill Generates terse, single-line code review comments with exact line numbers, problems, and fixes. Eliminates conversational filler in pull request reviews. CX Codex Cursor GitHub Copilot 410,700installs caveman-compress JuliusBrussee skill Rewrites CLAUDE.md and todo files into terse caveman-speak so the model reads fewer input tokens. The source gets overwritten; a readable backup stays out of tree. CX Codex Cursor GitHub Copilot 410,300installs remotion-to-hyperframes heygen-com skill Imports Remotion animations or video footage into HyperFrames and verifies visual matching frame by frame against the original. CX Codex Cursor GitHub Copilot 504,900installs internal-comms official anthropics skill internal-comms helps Claude write internal communications in the formats your company uses, from status reports to FAQs and incident reports. Claude.ai 79,929installs caveman-help JuliusBrussee skill A quick reference for Caveman modes and commands in Claude Code and other supported hosts. Use it when you need to control response style or find related skills. CX Codex Cursor GitHub Copilot 401,800installs slack-gif-creator official anthropics skill This skill helps create animated GIFs for Slack and check their parameters. Use it for custom emoji or GIFs shared in messages. Claude.ai 75,256installs shadcn shadcn-ui skill This skill helps add and configure shadcn/ui components while following project conventions. Use it when building interfaces, applying presets, or working on chat UI. CX Codex Cursor GitHub Copilot 122,100installs cavecrew JuliusBrussee skill cavecrew delegates code searches, small edits, and diff reviews to three subagents. Use it when keeping the main agent's context lean matters. CX Codex Cursor GitHub Copilot 357,900installs