@modelfetch/core/dist/index.d.ts

Core utilities for MCP servers built with ModelFetch

/**
 * This module provides the foundational components for creating MCP servers that can be deployed
 * across various JavaScript/TypeScript runtimes.
 *
 * @example Basic Example
 * ```ts
 * import { createApp } from "@modelfetch/core";
 * import server from "./server";
 *
 * const app = createApp(server);
 * ```
 *
 * @example Advanced Example
 * ```ts
 * import { createApp } from "@modelfetch/core";
 * import server from "./server";
 *
 * const app = createApp({
 *   server,
 *   base: "/api",
 *   path: "/mcp",
 *   middleware: [authMiddleware, loggingMiddleware],
 *   pre: (app) => {
 *     app.get("/health", (c) => c.text("OK"));
 *   },
 *   post: (app) => {
 *     app.notFound((c) => c.text("Not found", 404));
 *   }
 * });
 * ```
 *
 * @module
 */
import type { MiddlewareHandler } from "hono";
import { StreamableHTTPTransport } from "@hono/mcp";
import { Hono } from "hono";
/**
 * MCP server application.
 */
export type App = Hono;
/**
 * MCP server implementation.
 */
export interface Server {
    connect: (transport: StreamableHTTPTransport) => Promise<void>;
}
/**
 * MCP server configuration.
 */
export interface Config {
    /** MCP server implementation. */
    server: Server;
    /** Base path for all routes. */
    base?: string;
    /** Custom path for the MCP endpoint (defaults to "/mcp"). */
    path?: string;
    /** Middleware to apply to the MCP endpoint. */
    middleware?: MiddlewareHandler[];
    /** Hook to configure routes before the MCP endpoint. */
    pre?: (app: Hono) => void;
    /** Hook to configure routes after the MCP endpoint. */
    post?: (app: Hono) => void;
}
/**
 * MCP server implementation or configuration.
 */
export type ServerOrConfig = Server | Config;
/**
 * Creates an MCP server application from an MCP server implementation or configuration.
 */
export declare function createApp(arg: ServerOrConfig): App;
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