Proxy FAQs

Question 1

Is MCP Proxy CORS enabled?

Accepted Answer

Yes, CORS (Cross-Origin Resource Sharing) is enabled by default in MCP Proxy, allowing for cross-origin requests without additional configuration.

Question 2

What is the Node.js SDK used for?

Accepted Answer

The Node.js SDK provides utilities for creating proxies, including `proxyServer` for setting up a proxy between a server and client and `startSSEServer` for starting an SSE server. It also includes `tapTransport` for logging events.

Question 3

What is MCP Proxy?

Accepted Answer

MCP Proxy is a TypeScript-based SSE (Server-Sent Events) proxy designed for MCP (Model Context Protocol) servers utilizing stdio transport. It facilitates communication between clients and servers by providing a proxy layer.

Question 4

What are the key features of MCP Proxy?

Accepted Answer

Key features include SSE proxying for MCP servers with stdio, CORS enabled by default, a Node.js SDK for proxy creation, command-line quickstart, transport tapping for event logging, and compatibility with FastMCP.

Question 5

How do I install and use MCP Proxy?

Accepted Answer

Install via npm: `npm install mcp-proxy`. You can use the command-line interface for a quickstart (e.g., `npx mcp-proxy --port 8080 --endpoint /sse tsx server.js`) or integrate the Node.js SDK for more customized proxy setups.

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