Deno

The @modelfetch/deno package lets you run MCP servers as Deno-native HTTP servers.

Installation

Terminal

deno add jsr:@modelfetch/deno

Usage

Start The Server

src/index.ts

import handle from "@modelfetch/deno";
import server from "./server.ts"; // Import your McpServer

// Run as a Deno HTTP server
handle(server);

Get Listening Address

src/index.ts

import handle, { getListeningAddress } from "@modelfetch/deno";
import server from "./server.ts"; // Import your McpServer

// Run as a Deno HTTP server
handle(server, {
  onListen: (addr) => {
    // Print listening address
    console.log(`The MCP server is listening at ${getListeningAddress(addr)}`);
  },
});

Specify Custom Port

src/index.ts

import handle, { getListeningAddress } from "@modelfetch/deno";
import server from "./server.ts"; // Import your McpServer

// Run as a Deno HTTP server
handle(server, {
  // Customize server options
  port: 8080, // Customize server port
  onListen: (addr) => {
    // Print listening address
    console.log(`The MCP server is listening at ${getListeningAddress(addr)}`);
  },
});

API Reference

`handle(server, options?)`

Starts the MCP server

server: Required McpServer instance from @modelcontextprotocol/sdk
options: Optional Deno.ServeOptions

`getListeningAddress(addr)`

Gets listening address from the server Deno.Addr

addr: Required server Deno.Addr from the onListen callback

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