Official Anthropic skills, plugins, and agent patterns for Claude Code. Browse the directory, find compositions that work together, and link straight to source.
All skills and plugins link back to these Anthropic-maintained GitHub repos.
Official Agent Skills repository. 17 skills for creative, technical, and enterprise tasks.
Anthropic-managed directory of high quality Claude Code plugins.
Claude Code itself. Contains 14 bundled plugins in the plugins/ directory.
Demo applications built with the Claude Agent SDK. Email agents, research agents, and more.
Python SDK for building custom agents powered by Claude.
TypeScript SDK for building custom agents powered by Claude.
Skills and plugins that work together as complete workflows.
Feature Dev plugin explores codebase, architects the solution, implements it, then Code Review and PR Review Toolkit run parallel agents to catch bugs, check types, and simplify before merge.
feature-dev (explore + architect + implement) -> code-review (5 parallel agents) -> pr-review-toolkit (6 specialized reviewers)
Security Guidance hooks monitor every file edit for 9 vulnerability patterns. Hookify lets you add custom rules. Code Review agents check for security issues in PRs.
security-guidance (real-time file monitoring) + hookify (custom rules) + code-review (PR-level security scan)
Plugin Dev provides the 8-phase guided workflow. Skill Creator handles SKILL.md authoring. Example Plugin provides the reference implementation. Agent SDK Dev validates the result.
plugin-dev (/create-plugin) -> skill-creator (SKILL.md) -> example-plugin (reference) -> agent-sdk-dev (validation)
Theme Factory generates design tokens. Brand Guidelines enforces identity. Frontend Design ensures production-quality UI. Canvas Design handles interactive visualizations.
theme-factory (tokens) -> brand-guidelines (identity) -> frontend-design (components) + canvas-design (interactive)
All four document skills work together. Co-authoring for collaborative editing. PDF, DOCX, XLSX, and PPTX for format-specific generation. Powers Claude's native document capabilities.
doc-coauthoring (collaborative editing) -> pdf / docx / xlsx / pptx (format-specific output)
Ralph Wiggum runs iterative loops until a task completes. Commit Commands auto-commits progress. Hookify adds guardrails to prevent runaway automation.
ralph-wiggum (iterate) -> commit-commands (auto-commit) + hookify (guardrails)
Build standalone web artifacts - interactive demos, widgets, and embeddable components.
Systematically test web applications - integration tests, E2E flows, accessibility, and regression testing.
Build Model Context Protocol (MCP) servers from scratch - tools, resources, and transport layers.
Build applications using the Claude API and Anthropic SDKs - tool use, streaming, agent patterns.
Meta-skill for creating new skills. Guided workflow for building SKILL.md files with proper metadata and structure.
Comprehensive feature development with a structured 7-phase approach. Includes codebase explorer, architect, and reviewer agents.
Comprehensive toolkit for developing Claude Code plugins. 7 expert skills, AI-assisted creation, and validation.
Create custom hooks to prevent unwanted behaviors by analyzing conversation patterns or explicit instructions.
Interactive self-referential AI loops for iterative development. Claude works on the same task repeatedly until completion.
Automated migration of model strings, beta headers, and prompt adjustments from Sonnet 4.x / Opus 4.1 to Opus 4.5.
Adds educational insights about implementation choices and codebase patterns at session start.
Interactive learning mode that requests meaningful code contributions at decision points.
Tools for managing and maintaining CLAUDE.md project configuration files across repositories.
Guided setup for new Claude Code projects - CLAUDE.md creation, settings configuration, and best practices.
Experimental sandbox for testing plugin features and exploring Claude Code capabilities.
Reference implementation showing the complete plugin structure - commands, agents, skills, hooks, and MCP config.
Automated PR code review using 5 parallel Sonnet agents with confidence-based scoring to filter false positives.
6 specialized review agents: comments, tests, error handling, type design, code quality, and code simplification.
Reduce complexity while preserving behavior. Simplifies code structure, removes dead code, and improves readability.
Create distinctive, production-grade frontend interfaces that avoid generic AI aesthetics. Guidance on bold design, typography, and animations.
Build canvas-based designs and interactive visualizations using HTML5 Canvas and related APIs.
Generate consistent, complete themes and design systems from a base set of design tokens.
Apply and enforce brand identity across generated content - colors, typography, voice, and visual standards.
Generate algorithmic and generative art using code. SVG, Canvas, and procedural patterns.
Create custom animated GIFs optimized for Slack - reactions, announcements, and team communications.
Draft internal communications - memos, announcements, updates - with consistent tone and formatting.
Plugin version of the frontend design skill. Auto-invoked for frontend work - bold design choices, typography, animations.
Collaborative document editing - Claude as co-author with tracked changes, suggestions, and revision management.
Read, extract, and generate PDF documents. Powers Claude's built-in document capabilities.
Create and edit Word documents programmatically. Supports styles, tables, images, and complex layouts.
Generate and manipulate Excel spreadsheets - formulas, charts, pivot tables, and data analysis.
Build PowerPoint presentations - slides, layouts, speaker notes, and visual assets.
Development kit for working with the Claude Agent SDK. Interactive setup and best-practice validation.
Full email agent built with the Agent SDK. Reads, drafts, and sends emails with human-in-the-loop approval.
Multi-step research agent that searches, synthesizes, and generates structured reports from web sources.
Agent that generates tailored resumes from a profile, customized per job description.
Agent that reads, analyzes, and generates Excel files with charts and formulas.
Minimal chat application demonstrating core Agent SDK patterns - tool use, streaming, and conversation management.
TypeScript language server integration for type checking, diagnostics, and refactoring inside Claude Code.
Python type checking and diagnostics via Pyright language server.
Rust language server for type checking, completions, and cargo integration.
Go language server (gopls) for type checking and diagnostics.
Add the official skills marketplace and install any plugin directly from your terminal.
$ /plugin marketplace add anthropics/skills$ /plugin marketplace add anthropics/claude-plugins-official$ /plugin install code-review@anthropic-plugins-officialNew tutorials, open-source projects, and deep dives on coding agents - delivered weekly.