MCP Proxy Tool
MCP proxy tool
What is MCP Proxy Tool?
MCP Proxy Tool is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to mcp proxy tool
MCP proxy tool
This server falls under the Developer Tools category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- MCP proxy tool
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx mcp-proxy-toolConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use MCP Proxy Tool
MCP Proxy Tool is a lightweight Rust-based utility that bridges AI assistants to remote or local MCP servers by proxying JSON-RPC messages over HTTP, stdio, or named pipes. It ships with a default connection to the Microsoft Learn Docs MCP server, giving AI agents instant access to Microsoft and Azure documentation search, but can point to any MCP-compatible endpoint. Developers use it to test MCP servers, chain transports, or surface HTTP-based MCP services to clients that only support stdio.
Prerequisites
- Rust toolchain installed (cargo) for building from source, or a pre-built binary from GitHub Releases for Windows, macOS, or Linux
- Network access to the target MCP server endpoint (default: https://learn.microsoft.com/api/mcp)
- An MCP-compatible client such as Claude Desktop or Claude Code
Install mcp-proxy-tool via Cargo
Install the tool from crates.io using Cargo. Alternatively, download a pre-built binary for your platform from the GitHub Releases page.
cargo install mcp-proxy-toolVerify the installation
Confirm the binary is available on your PATH and check the version.
mcp-proxy-tool --versionTest connection to the default Microsoft Learn endpoint
Send a tools/list request to verify the proxy can reach the Microsoft Learn MCP server and list available tools.
echo '{"method": "tools/list", "params": {}}' | mcp-proxy-toolConfigure your MCP client to use the proxy
Add mcp-proxy-tool to your claude_desktop_config.json. By default it connects to the Microsoft Learn Docs endpoint. Use the -u flag to override with a custom URL.
{
"mcpServers": {
"mcp-proxy": {
"type": "stdio",
"command": "mcp-proxy-tool"
}
}
}Point the proxy at a custom MCP endpoint
To proxy a different HTTP MCP server, pass the -u flag with the target URL. Use -v for verbose logging and -t to set a custom timeout in seconds.
mcp-proxy-tool -u https://your-mcp-server.com/mcp -v -t 60Proxy a local stdio MCP server
To wrap a local process-based MCP server (e.g. a Python script), use the -c and -a flags to specify the command and its arguments.
mcp-proxy-tool -c python3 -a mcp_server.pyMCP Proxy Tool Examples
Client configuration
Claude Desktop configuration to run mcp-proxy-tool, which by default proxies the Microsoft Learn Docs MCP server.
{
"mcpServers": {
"mcp-proxy": {
"type": "stdio",
"command": "mcp-proxy-tool"
}
}
}Prompts to try
Example prompts when connected to the default Microsoft Learn Docs endpoint.
- "How do I create a container app using Azure CLI?"
- "What are the steps to configure Azure Active Directory B2C?"
- "Explain the difference between Azure Functions and Azure Container Apps"
- "Show me the syntax for ARM template resources"
- "Search Microsoft docs for Bicep deployment best practices"Troubleshooting MCP Proxy Tool
Connection refused or timeout when reaching the default Microsoft Learn endpoint
Verify network connectivity and that https://learn.microsoft.com/api/mcp is reachable from your machine. Use -v for verbose output and -t 60 to increase the timeout.
Binary not found after `cargo install`
Ensure $CARGO_HOME/bin (usually ~/.cargo/bin) is on your PATH. Run `export PATH="$HOME/.cargo/bin:$PATH"` and add it to your shell profile.
Named pipe transport fails on Windows
Use the full Windows named pipe path with -p, for example: `mcp-proxy-tool -p \\.\pipe\my-mcp-server`. Ensure the pipe server is already running before starting the proxy.
Frequently Asked Questions about MCP Proxy Tool
What is MCP Proxy Tool?
MCP Proxy Tool is a Model Context Protocol (MCP) server that mcp proxy tool It connects AI assistants to external tools and data sources through a standardized interface.
How do I install MCP Proxy Tool?
Follow the installation instructions on the MCP Proxy Tool GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with MCP Proxy Tool?
MCP Proxy Tool works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is MCP Proxy Tool free to use?
Yes, MCP Proxy Tool is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
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Set Up MCP Proxy Tool in Your Editor
Choose your AI client for step-by-step setup instructions.
Quick Config Preview
Add this to your claude_desktop_config.json or .cursor/mcp.json
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