MCP Proxy Server
A central hub that aggregates multiple MCP resource servers into a single unified interface, enabling users to access tools and capabilities from multiple backend servers through one connection point.
What is MCP Proxy Server?
MCP Proxy Server is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to central hub that aggregates multiple mcp resource servers into a single unified interface, enabling users to access tools and capabilities from multiple backend servers through one connection point.
A central hub that aggregates multiple MCP resource servers into a single unified interface, enabling users to access tools and capabilities from multiple backend servers through one connection point.
This server falls under the Developer Tools category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- A central hub that aggregates multiple MCP resource servers
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx mcp-proxy-serverConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use MCP Proxy Server
MCP Proxy Server is a central aggregation hub that consolidates multiple MCP resource servers into a single unified interface, enabling seamless multi-server access. Connect it to Claude to manage distributed MCP infrastructure and access capabilities from multiple backend servers through one connection point.
Prerequisites
- Node.js 18+ installed
- An MCP client such as Claude Desktop or Cursor
- Git installed to clone the repository
- One or more MCP servers to proxy
Clone the MCP Proxy repository
Get the latest code from GitHub since npm installation is not available.
git clone https://github.com/sparfenyuk/mcp-proxy
cd mcp-proxy
npm installConfigure the proxy server list
Create a configuration file specifying which MCP servers to aggregate.
{
"servers": [
{
"name": "server1",
"url": "http://localhost:3001"
},
{
"name": "server2",
"url": "http://localhost:3002"
}
]
}Build the MCP proxy server
Compile the proxy server code.
npm run buildAdd to Claude Desktop configuration
Register the MCP Proxy Server in your MCP client config.
{
"mcpServers": {
"mcp-proxy": {
"command": "node",
"args": ["/path/to/mcp-proxy/dist/index.js", "--config", "/path/to/config.json"]
}
}
}Verify proxy is running
Test that the proxy successfully aggregates all configured MCP servers.
curl http://localhost:3000/serversRestart Claude Desktop
Close and reopen Claude Desktop to load the proxy server and access all aggregated tools.
MCP Proxy Server Examples
Claude Desktop Configuration
How to register the MCP Proxy Server.
{
"mcpServers": {
"mcp-proxy": {
"command": "node",
"args": ["/path/to/mcp-proxy/dist/index.js", "--config", "/path/to/config.json"]
}
}
}Prompts to Try
Example prompts for using the aggregated proxy.
- "Show me all available tools from all connected MCP servers."
- "Use the aggregated servers to get me information from multiple sources."
- "Query all backend servers simultaneously."Troubleshooting MCP Proxy Server
Proxy cannot connect to backend MCP servers
Verify that all MCP servers in your config are running and accessible at the specified URLs. Check firewall rules and ensure ports are open.
Tools from aggregated servers don't appear in Claude
Restart Claude Desktop completely after updating the config. Check that the proxy server started successfully and that backend servers are responsive.
Proxy server crashes with out-of-memory errors
If you have many servers with many tools, the aggregation may consume significant memory. Consider running fewer servers or using a higher memory limit.
Frequently Asked Questions about MCP Proxy Server
What is MCP Proxy Server?
MCP Proxy Server is a Model Context Protocol (MCP) server that central hub that aggregates multiple mcp resource servers into a single unified interface, enabling users to access tools and capabilities from multiple backend servers through one connection point. It connects AI assistants to external tools and data sources through a standardized interface.
How do I install MCP Proxy Server?
Follow the installation instructions on the MCP Proxy Server GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with MCP Proxy Server?
MCP Proxy Server works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is MCP Proxy Server free to use?
Yes, MCP Proxy Server is open source and available under the MIT License license. You can use it freely in both personal and commercial projects.
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Quick Config Preview
Add this to your claude_desktop_config.json or .cursor/mcp.json
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