Extensions & Addons - MCP & Extensions

Comprehensive list of 50+ best Claude Code extensions, addons, MCP servers, IDE integrations, and tools for 2025. Curated collection with links and descriptions.

A comprehensive collection of the best Claude Code extensions, addons, MCP servers, and tools available in 2025. This curated list brings together resources from the community and the latest innovations in the Claude Code ecosystem.

📚 Awesome Lists & Collections

awesome-claude-code - The main curated list of Claude Code commands, files, and workflows
awesome-mcp-servers - Comprehensive collection of Model Context Protocol servers
awesome-mcp-servers (wong2) - Another excellent MCP server collection
awesome-dxt-mcp - Desktop Extensions (DXT) and MCP servers for Claude Desktop
awesome-claude-code-agents - Specialized Claude Code sub-agents
awesome-mcp-clients - Collection of MCP client implementations
awesome-claude-dxt - Claude Desktop Extensions collection

🧰 IDE Integrations & Editors

Claude Code Chat (VS Code) - Elegant Claude Code chat interface for VS Code with inline suggestions
claude-code-ide.el - Emacs integration showing ediff-based code suggestions and buffer context tracking
claude-code.el - Emacs interface for Claude Code CLI with full feature support
claude-code.nvim - Seamless Neovim integration for Claude Code AI assistant
Cursor - AI-first VS Code fork with native MCP support for enhanced AI capabilities
Cline - Uses MCP to create tools and extend AI coding capabilities

📊 Usage Monitors & Dashboards

CC Usage - CLI tool for analyzing Claude Code logs with cost and token consumption dashboard
ccflare - Comprehensive Claude Code usage dashboard with beautiful web UI
Claude Code Usage Monitor - Real-time terminal-based monitoring for token usage
viberank - Community leaderboard tracking Claude Code usage across developers
ccexp - Interactive CLI for discovering and exploring Claude Code configurations

🤖 Orchestrators & Multi-Agent Systems

Claude Code Flow - Autonomous code writing, editing, testing, and optimization orchestration layer
Claude Squad - Terminal app managing multiple Claude Code agents in separate workspaces
Claude Swarm - Launch Claude Code sessions connected to swarms of specialized agents
claudekit - CLI toolkit with 20+ specialized subagents and auto-save checkpointing
Agent Swarm Framework - Parallel execution framework for multiple Claude agents

🚀 MCP Servers - Core Development

GitHub MCP Server - Official GitHub integration for repos, PRs, issues, and CI/CD workflows
PostgreSQL MCP - Natural language database queries and operations
File System MCP - Advanced file operations for local development
SQLite MCP - SQLite database management and queries
Git MCP - Git operations beyond basic commands
Fetch MCP - Web content fetching and conversion for LLM usage

🔗 MCP Servers - Integrations

Slack MCP - Team communication, channel management, and messaging
Sentry MCP - Error tracking and issue analysis from Sentry.io
Google Drive MCP - File access and search for Google Drive
Google Maps MCP - Location services, directions, and place details
Brave Search MCP - Web and local search using Brave's Search API
GitLab MCP - GitLab API for project management

🌐 MCP Servers - Web & Automation

Puppeteer MCP - Browser automation and web scraping with Puppeteer
Playwright MCP - Cross-browser automation with Playwright (community)
Browser Automation MCP - Web browser automation server (community)
Browserbase MCP - Cloud browser automation (community)

📝 Slash Command Collections

Claude Command Suite - 119+ professional slash commands for code review, features, security, and architecture
Claude Sessions - Session tracking and documentation commands

🔨 Special Purpose MCP Servers

Sequential Thinking MCP - Structured problem-solving approach (community)
Claude Context MCP - Semantic code search across millions of lines
Claude Code MCP - Claude Code as one-shot MCP server for nested agents
Memory MCP - Knowledge graph-based persistent memory
Everything MCP - Reference server with prompts, resources, and tools

🎯 Browser Extensions

Claude MCP Browser Extension - Enable MCP in claude.ai web interface

🚀 Starter Kits & Project Foundations

Claude Code works best when you give it a strong foundation to build upon rather than starting from scratch. Using a professional starter kit accelerates development significantly.

TurboStarter - Recommended: Professional Next.js starter kit with authentication, payments, and AI integrations built-in. Perfect foundation for Claude Code projects

🛠️ Development Tools & Utilities

Claude Code Cookbook - Collection of settings and configurations to make Claude Code more useful
Claude Code Cookbook (Chinese) - Chinese language version with similar functionality

🎓 Learning Resources & Documentation

Official Claude Code Docs - Anthropic's official documentation
MCP Protocol Specification - Model Context Protocol documentation
MCP Servers Repository - Official MCP server implementations
Builder.io Claude Code Guide - How to use Claude Code effectively

📖 More Resources

For additional Claude Code content:

Based on: awesome-claude-code community collection
Last Updated: August 2025

Best Claude Code Extensions & Addons 2025: 50+ Tools & Resources