MCP Servers Merge
Easily merge MCP server configurations for your favorite AI-powered IDE
📁 Config file location: ~/.claude/claude_desktop_config.json
Leave empty to start with a fresh config
How to use this tool
Select IDE
Choose your AI IDE to see the correct config path.
Paste Config
Copy your current MCP config from the file.
Add Server
Enter server name and paste the new config.
Copy Result
Copy the merged config back to your file.
What is MCP (Model Context Protocol) and Why You Need This Tool
Model Context Protocol (MCP) is a revolutionary open protocol developed by Anthropic that enables AI assistants like Claude to securely connect to external data sources, tools, and services. MCP servers act as powerful bridges between AI models and your local filesystem, databases, APIs, GitHub repositories, Slack workspaces, and hundreds of other integrations.
If you're using AI-powered coding assistants like Claude Code (Claude Desktop), Cursor AI, Windsurf by Codeium, or Visual Studio Code with MCP extensions, you've likely encountered the challenge of managing MCP server configurations. Each IDE stores its MCP configuration in a different JSON file, and manually editing these files can be error-prone and frustrating.
The Problem: Managing MCP Server Configurations is Tedious
Every time you want to add a new MCP server to your AI coding assistant, you need to:
- Find the correct configuration file location for your specific IDE
- Open the JSON file and carefully edit it without introducing syntax errors
- Ensure the new server configuration is properly formatted and placed within the mcpServers object
- Restart your IDE to apply the changes
This process becomes even more complicated when you're setting up multiple MCP servers like the filesystem server for local file access, the GitHub MCP server for repository integration, or the PostgreSQL MCP server for database queries. One misplaced comma or bracket can break your entire configuration.
The Solution: MCP Config Merge Tool
This free MCP configuration merge tool eliminates the hassle of manually editing JSON files. Simply paste your current MCP configuration (or start fresh), add the new server you want to install, and get a perfectly formatted merged configuration that you can copy back to your config file.
Supported AI IDEs and Config Locations
Claude Code / Claude Desktop
~/.claude/claude_desktop_config.jsonAnthropic's official Claude desktop application with full MCP support
Cursor AI Editor
~/.cursor/mcp.jsonThe AI-first code editor with built-in MCP server support
Windsurf by Codeium
~/.codeium/windsurf/mcp_config.jsonCodeium's powerful AI IDE with MCP integration
VS Code + MCP Extension
settings.jsonVisual Studio Code with MCP extension installed
Popular MCP Servers You Can Add
- @modelcontextprotocol/server-filesystem - Give Claude access to read and write files in specified directories on your local machine
- @modelcontextprotocol/server-github - Connect Claude to your GitHub repositories for code review, issue management, and PR automation
- @modelcontextprotocol/server-postgres - Let Claude query and interact with your PostgreSQL databases directly
- @modelcontextprotocol/server-slack - Enable Claude to read channels and send messages in your Slack workspace
- @modelcontextprotocol/server-sqlite - Connect Claude to SQLite databases for local data analysis
- @modelcontextprotocol/server-puppeteer - Give Claude the ability to control a web browser for testing and automation
Why Choose This Tool?
- No JSON Errors - Automatic formatting prevents syntax mistakes that break your config
- Multi-IDE Support - Works with Claude Code, Cursor, Windsurf, and VS Code
- Quick Templates - Pre-built templates for popular MCP servers save you time
- 100% Private - All processing happens in your browser; your configuration never leaves your computer
- Free Forever - No sign-up, no limits, no hidden costs
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