@modelfetch/deno/dist/index.js

Deno runtime adapter for MCP servers built with ModelFetch

/**
 * This module lets you run MCP servers as Deno-native HTTP servers.
 *
 * @example Basic Example
 * ```ts
 * import handle from "@modelfetch/deno";
 * import server from "./server.ts"; // Import your McpServer
 *
 * // Run as a Deno HTTP server
 * handle(server);
 * ```
 *
 * @example Advanced Example
 * ```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 ${getListeningAddress(addr)}`);
 *   },
 * });
 * ```
 *
 * @module
 */
import { createApp } from "@modelfetch/core";
/**
 * Gets listening address from the server Deno.Addr.
 */
export function getListeningAddress(addr) {
    if (addr.transport === "tcp" || addr.transport === "udp") {
        const hostname = addr.hostname === "[::]" ||
            addr.hostname === "[::1]" ||
            addr.hostname === "0.0.0.0" ||
            addr.hostname === "127.0.0.1"
            ? "localhost"
            : addr.hostname;
        return `http://${hostname}:${addr.port}`;
    }
    throw new Error(`'${addr.transport}' transport is not supported (only TCP and UDP transports are supported)`);
}
/**
 * Starts the MCP server.
 */
export default function handle(arg, options) {
    const app = createApp(arg);
    return Deno.serve(options ?? {}, app.fetch);
}
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