FastMCP Proxy

Verified Integration

Author: @allowing•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect FastMCP Proxy to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "fastmcp-proxy": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-fastmcp-proxy"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Transforms standard input/output (stdio) MCP servers into accessible HTTP services, enabling centralized credential management and shared access for multiple clients.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for FastMCP Proxy

Yes, FastMCP Proxy is designed to be highly adaptable. While the Azure DevOps MCP Server is used as an example, the core pattern applies to any MCP server that communicates via stdio and/or requires external credentials.

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