GitHub repositories for Claude Code and Codex

Imposes a workflow on the coding agent through 15 auto-triggered skills, in this order: brainstorming, design approval, a detailed plan, test-first (TDD) implementation with subagents, code review and branch wrap-up.

For: Developers doing planned, multi-step software development with Claude Code, Codex or Cursor who embrace a test-first approach.

Works in: Claude Code, Codex, Cursor, Gemini CLI

Matt Pocock Skills

RepoSkill pack★ 309.4K GitHub stars

An open-source set of 27 skills for coding agents: grilling your plan (grill-me), turning it into a spec and tickets, test-first development (tdd), a debugging loop, architecture review, code review and session handoff. Installs into Claude Code, Codex, GitHub Copilot and Gemini CLI, and into other agents with npx skills.

For: People who build software with an agent such as Claude Code, Codex or Cursor and want the agent to misunderstand the job less, skip tests less and scatter the code less.

Works in: Claude Code, Codex, VS Code, Gemini CLI

Everything Claude Code (ECC)

RepoSkill pack★ 294.9K GitHub stars

A large configuration pack that adds 71 subagents, 311 skills, 97 legacy command shortcuts, hooks, rules, memory and AgentShield security scanning to Claude Code, Codex, Kimi Code and other agents in one go. The setup wizard lets you choose the install scope (user, project, local) and the hook level; the install command has 7 ready-made profiles (minimal, core, developer, security, research, opencode, full), and there is an uninstall command too.

For: Experienced users who work with Claude Code or Codex every day and want to pick and adapt parts of their agent setup from a ready-made system.

Works in: Claude Code, Codex, Cursor, Gemini CLI

Anthropic Agent Skills

RepoSkill packOfficial★ 186.4K GitHub stars

Offers 19 skills Anthropic wrote for Claude (Word/PDF/PowerPoint/Excel document skills, a skill creator, an MCP server builder, web testing, design, etc.) and the Agent Skills template in a single repository; it is added to Claude Code as a marketplace.

For: Anyone doing document, presentation, spreadsheet and design work in Claude Code or the Claude app. For design, the frontend-design, canvas-design, theme-factory, brand-guidelines and web-artifacts-builder skills are also in this repository.

Works in: Claude Code, Claude app

prompts.chat (formerly Awesome ChatGPT Prompts)

RepoSkill pack★ 175.6K GitHub stars

A library of community-shared ready-made prompts you can search by type, category and tag; it can be self-hosted on your own server for your organization, and it's also available as a Claude Code plugin and an MCP server.

For: People looking for ready-made prompts for chat tools like ChatGPT and Claude, and those who want to set up a shared prompt library for their team.

Works in: Claude Code

Agency Agents

RepoSkill pack★ 165.9K GitHub stars

A collection of ready-made agent definitions (.md) for more than 250 roles, from front-end developer to ad copywriter and from SEO specialist to project manager; the install script installs them into 17 tools, and the desktop app into 8 tools including Claude Code, Codex, Cursor, Gemini CLI and Copilot.

For: People who use Claude Code, Codex, Cursor or Gemini CLI and want to give their agent ready-made role definitions.

Works in: Claude Code, Codex, Cursor, Gemini CLI

Spec Kit

RepoSkill packOfficial★ 145.1K GitHub stars

GitHub's 'spec first' (Spec-Driven Development) toolkit: the specify CLI installs agent skills, templates and scripts into your project; you have your agent go through the spec, plan, task list, implementation and final conformance check (converge) steps in order. Command syntax varies by agent (/speckit-specify, $speckit-specify in Codex). There are extra modules for bug fixing and idea assessment.

For: Developers who want to move through written steps without losing focus when building a large feature with an agent.

Works in: Claude Code, Codex, Cursor, VS Code

UI UX Pro Max

RepoSkill pack★ 143.9K GitHub stars

Has the agent run a Python search over a local database of 79 searchable styles (50 active), 192 product palettes, 74 font pairings, 119 UX rules and 22 tech stacks, and recommends a design system (color, typography, style, things to avoid) by product type; the plugin route also adds logo, banner, slide and brand skills.

For: Developers who struggle to choose a style, palette and font pairing and want database-backed recommendations to keep the agent from landing on the same look in every project. Python must be installed.

Works in: Claude Code, Cursor, Codex, Gemini CLI

Graphify

RepoCLI★ 140.6K GitHub stars

Turns the code, documents, PDFs and images in your project into a queryable knowledge graph; in later sessions your coding agent checks this graph with 'graphify query' instead of reading files one by one. Code is parsed locally, without AI.

For: Developers working on a large codebase with Claude Code, Codex, Cursor or Gemini CLI.

Works in: Claude Code, Codex, Cursor, Gemini CLI

Taste Skill

RepoSkill pack★ 108K GitHub stars

Skills that help the agent avoid a templated look on landing, portfolio and product pages: extracting brand-specific material, drawing from 20 ready-made visual directions, audit scripts that measure at three widths in a real browser, and a loop that critiques and fixes its own screenshots; plus image skills that generate reference boards with generators such as ChatGPT Images.

For: People building marketing sites, landing pages and portfolios with Claude Code, Codex or Cursor who want to pick a fixed 'design language' and have the agent stick to it. The README says it isn't suited to dashboards, data tables or multi-step forms.

Works in: Claude Code, Codex, Cursor

Lets your agent read and search web pages, YouTube, RSS, GitHub, X, Reddit, LinkedIn and some Chinese platforms (Bilibili, Xiaohongshu, V2EX) with a single command-line tool; most channels need no paid API key.

For: People who want their agent to read social platforms and the web for research work.

Works in: Claude Code, Codex

Impeccable

RepoSkill pack★ 99.5K GitHub stars

Adds a single design skill and 24 commands (/impeccable init, polish, audit, critique, bolder, quieter, typeset, animate…) to the coding agent; after every UI edit it runs a deterministic 59-rule design detector and reports back AI-typical patterns (Inter everywhere, purple gradients, nested cards, gray text on gray); for a new page, 'roll' suggests different design directions.

For: Developers and designers building sites and interfaces with Claude Code, Codex, Cursor or Copilot who want the agent's uniform output audited systematically, and who are fine with running hooks.

Works in: Claude Code, Codex, Cursor, VS Code

Ruflo (formerly Claude Flow)

RepoCLI★ 80.6K GitHub stars

An orchestration framework that builds a multi-agent layer around Claude Code and Codex: agent teams (swarms) that split up the work, memory across sessions, a large number of MCP tools (the exact number is unclear: the docs give different figures between 300 and 323), hooks and a monitoring console. It's added to Claude Code from the plugin marketplace and to other tools with an npx install.

For: Advanced Claude Code users who want to split large coding jobs across several agents and are fine with hooks and background processes.

Works in: Claude Code, Codex

An open-source system that turns your coding agent (Claude Code, Cursor, Codex…) into a video production line: it runs the research, script, visual and audio generation, subtitle and render steps with ready-made pipelines; the free path works with Piper TTS and stock footage.

For: People who want to automate explainer videos, documentary-style edits or short-form video production with an agent.

Works in: Claude Code, Cursor, Codex

Marketing Skills (Corey Haines)

RepoSkill pack★ 57.9K GitHub stars

A collection of 50 skills for conversion optimization, copywriting, SEO, ad creative, cold email, pricing, analytics and growth work. Installs via the skills CLI, as a Claude Code plugin or as a Codex plugin.

For: Small businesses, founders and agencies that run their marketing work with Claude Code, Codex or another agent.

Works in: Claude Code, Codex, Cursor

A curated collection (an awesome list) that gathers selected skills, agents, status lines, tools, hooks and plugins for Claude Code on a single page.

For: People looking for new resources in the Claude Code ecosystem.

Works in: Claude Code

Emil Kowalski's skills

RepoSkill pack★ 52.8K GitHub stars

14 skills that list the small mistakes the agent makes in animation and interface details (such as wrong easing, a semi-transparent shadow in place of a hard border, the 100vh bug on mobile) and have it fix them: building and auditing animations, Apple design principles, a native feel on mobile, UI break testing with worst-case data, library selection.

For: Front-end developers and design engineers who want to take an interface from 'it works' to 'it feels good', especially those who care about animation and micro-interactions.

Works in: Claude Code, Codex, Cursor

Claude Plugins Official

RepoListOfficial★ 45.7K GitHub stars

The catalog of the official Claude Code plugin marketplace run by Anthropic. Claude Code adds this marketplace automatically on first launch; you search it from the Discover tab of the /plugin panel and install with /plugin install <name>@claude-plugins-official. On October 29, 2026, the catalog had 315 plugins: 39 are Anthropic's own (such as commit-commands, code-review, feature-dev, frontend-design and language servers), and the rest come from partners and the community.

For: Developers and teams who use Claude Code and want to install a ready-made workflow or a connection to a service with a single command.

Works in: Claude Code, Claude app, VS Code

Hallmark

RepoSkill pack★ 45K GitHub stars

A single skill that picks a page skeleton (macrostructure) based on the brief, dresses it in one of 21 themes, and runs 57 'slop test' gates and a self-critique before delivery; it comes with the verbs audit (score list), redesign (change the skeleton, keep the content) and study (extract the 'DNA' of a design you like).

For: Users of Claude Code, Cursor or Codex who want landing and promo pages that look different in every project and like working by picking from a ready-made theme catalog.

Works in: Claude Code, Cursor, Codex

skills CLI and find-skills (Vercel)

RepoCLIOfficial★ 37.7K GitHub stars

A command-line tool that lets you search for, install, list, update and remove skills for coding agents. The bundled find-skills skill has the agent search the skills.sh directory for 'which skill exists for this job' and suggests the install command.

For: People who want to add ready-made skills to agents like Claude Code, Codex and Cursor.

Works in: Claude Code, Codex, Cursor, Gemini CLI

Knowledge Work Plugins

RepoSkill packOfficial★ 34.4K GitHub stars

Role plugins Anthropic built for Claude Cowork and Claude Code: ready-made packs of skills, connectors and commands for work such as sales, customer support, marketing, product, finance, data, legal, HR and small business. The repository is also the default Knowledge Work plugin marketplace in Claude.

For: Teams and business owners who use Claude for sales, marketing, support or finance work; people who want to adapt plugins to their own company.

Works in: Claude app, Claude Code

Claude Code Templates (aitmpl.com)

RepoSkill pack★ 33K GitHub stars

Gathers ready-made agent, command, skill, MCP, settings and hook templates for Claude Code into a single catalog at aitmpl.com; an npx command writes the piece you choose into your project's .claude/ folder and .mcp.json file. It also has commands for local usage analytics, a chat monitor and a health check.

For: People who would rather pick from ready-made pieces than write their Claude Code setup from scratch.

Works in: Claude Code

Repomix

RepoCLI★ 29.1K GitHub stars

Bundles a local or GitHub code repository into a single XML, Markdown or plain-text file to hand to AI; shows the token count, uses Secretlint to leave out files that contain keys, and can compress the code if you want. Also runs as an MCP server.

For: Developers who want to give a project to a model in a chat interface, or to another agent, as a single file.

Works in: Claude Code, VS Code, Cursor, Claude app

DESIGN.md (Google)

RepoTemplatePlatform-built★ 28.7K GitHub stars

A format that describes a brand's visual identity (color, typography, corner radius, spacing and component tokens, plus text explaining why they were chosen) in a single DESIGN.md file for agents to read; the CLI validates the file (broken references, WCAG contrast, section order), compares two versions and exports to Tailwind / DTCG tokens.

For: Agencies and developers working for the same client with multiple agents or tools: those who want to write a DESIGN.md for each client and have the agent keep the same identity on every page.

Works in: Claude Code, Codex, Cursor, Gemini CLI

ccusage

RepoCLI★ 19.3K GitHub stars

A command-line tool that reads the local logs of 18 coding agents on your computer, such as Claude Code, Codex, OpenCode, Gemini CLI and GitHub Copilot CLI, and produces tables of token usage and estimated cost by day, week, month and session. It also shows Claude's 5-hour usage windows and a status line.

For: Anyone who wants to see how many tokens and how much money they spend on coding agents.

Works in: Claude Code, Codex, Gemini CLI

GSAP Skills

RepoSkill packOfficial★ 17.7K GitHub stars

8 skills that teach coding agents to use the GSAP animation library correctly: the core API, timelines, scroll-linked animation (ScrollTrigger), plugins, utilities, React, other frameworks such as Vue/Svelte, and performance.

For: Developers building animated sites with Claude Code, Cursor or Codex.

Works in: Claude Code, Cursor, Codex

Playwright CLI

RepoCLIOfficial★ 14.9K GitHub stars

Lets a coding agent control the browser from the command line: it opens pages, clicks, types, and takes screenshots and page snapshots. Comes with its own skills; according to the README, it uses less context than the MCP server.

For: Developers who build web interfaces with Claude Code or GitHub Copilot and want the agent to check them on screen.

Works in: Claude Code

17 skills for LinkedIn posts, Reels scripts, YouTube thumbnails, hook writing, carousels and analysis, starting with voice-builder, which captures your own writing voice.

For: Content creators who want Claude Code or Codex to write their social media content in their own tone.

Works in: Claude Code, Codex, Claude app

10 skills that teach Claude Code Three.js patterns for scene setup, geometry, lighting, materials, textures, animation, model loading, shaders, post-processing and interaction.

For: Developers who want to build sites with 3D elements using Claude Code.

Works in: Claude Code

Pairs Claude Code and Codex on the same task: one writes the plan, the other critiques it; then one builds and the other reviews. There is also a claudex-route skill that suggests which model suits a task.

For: Developers with both Claude Code and Codex subscriptions who want a second pair of eyes on plans and code for important work.

Works in: Claude Code, Codex

11 skills that draft LinkedIn posts, comments, replies, profile audits, weekly plans, carousels and DMs; it publishes nothing itself — you approve and post manually.

For: People and businesses who want to create LinkedIn content regularly and in their own voice.

Works in: Claude Code, Claude app

A motion, micro-interaction, 3D and design system for Claude Code and other agents: 3 workflows (cast, paint, bunshin) backed by 17 modules; before writing code it proposes an interaction idea, and implements it once you approve.

For: Developers who want animated pages that don't look like templates.

Works in: Claude Code, Claude app