Claude に新しい機能を追加する

Frontend design skill for UI/UX implementation

Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques

Automated code review for pull requests using multiple specialized agents with confidence-based scoring

Upstash Context7 MCP server for up-to-date documentation lookup. Connects to Context7's hosted remote MCP server (https://mcp.context7.com/mcp) — no local Node.js or npx required — to pull version-specific documentation and code examples directly from source repositories into your LLM context. Authenticate with Context7 when prompted.

Agent that simplifies and refines code for clarity, consistency, and maintainability while preserving functionality

Browser automation and end-to-end testing MCP server by Microsoft. Enables Claude to interact with web pages, take screenshots, fill forms, click elements, and perform automated browser testing workflows.

Official GitHub MCP server for repository management. Create issues, manage pull requests, review code, search repositories, and interact with GitHub's full API directly from Claude Code.

Tools to maintain and improve CLAUDE.md files - audit quality, capture session learnings, and keep project memory current.

Comprehensive feature development workflow with specialized agents for codebase exploration, architecture design, and quality review

Security review for Claude-generated code. Pattern-based warnings on edits, LLM-powered diff review on Stop, and an agentic commit reviewer that catches injection, XSS, SSRF, hardcoded secrets, and 25+ other vulnerability classes.

Build and deploy web apps and agents

TypeScript/JavaScript language server for Claude Code, providing code intelligence features like go-to-definition, find references, and error checking.

Continuous self-referential AI loops for interactive iterative development, implementing the Ralph Wiggum technique. Run Claude in a while-true loop with the same prompt until task completion.

Analyze codebases and recommend tailored Claude Code automations such as hooks, skills, MCP servers, and subagents.

Streamline your git workflow with simple commands for committing, pushing, and creating pull requests

Figma 連携：デザインファイルへのアクセス、コンポーネントの抽出、トークンの読み取り、コードへの変換。デザインと開発の溝を埋めます。

Official Supabase plugin for Claude Code with bundled Supabase skills and MCP access for project management, database work, auth, storage, and Postgres best practices.

Comprehensive PR review agents specializing in comments, tests, error handling, type design, code quality, and code simplification

Python language server (Pyright) for Claude Code, providing static type checking and code intelligence.

コーディングエージェントからライブの Chrome ブラウザを操作・検査できます。パフォーマンストレースの記録、ネットワークリクエストの解析など。

Telegram channel for Claude Code — messaging bridge with built-in access control. Manage pairing, allowlists, and policy via /telegram:access.

Connect to Atlassian products including Jira and Confluence. Search and create issues, access documentation, manage sprints, and integrate your development workflow with Atlassian's collaboration tools.

Slack AI tools for users and developers: interact with your workspace via the Slack MCP server and use skills to develop Slack apps.

Semantic code analysis MCP server providing intelligent code understanding, refactoring suggestions, and codebase navigation through language server protocol integration.