Tiny SSE MCP Server

import { McpAgent } from "agents/mcp"; import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { z } from "zod"; import { Hono } from "hono"; import { layout, homeContent } from "./utils"; import { publish } from "./tiny-ser"; type Bindings = Env; const app = new Hono<{ Bindings: Bindings; }>(); type Props = { bearerToken: string; }; type State = null; export class MyMCP extends McpAgent<Bindings, State, Props> { server = new McpServer({ name: "Demo", version: "1.0.0", }); async init() { this.server.tool("publish-to-tiny-server", { content: z.string({ description: "The content to publish" }), suffix: z.string({ description: "The suffix of the content only allow .md .html .gist or empty " }) }, async ({ content, suffix }) => { const allowedSuffixes = [".md", ".html", ".gist"]; if (suffix && !allowedSuffixes.includes(suffix)) { return { content: [{ type: "text", text: "Invalid suffix, only allow .md .html .gist or empty" }], }; } console.log("publish-to-tiny-server content", content); console.log("publish-to-tiny-server suffix", suffix); const result = await publish(content, suffix); console.log("publish-to-tiny-server result", result); return { content: [{ type: "text", text: String(result) }], }; }); } } // Render a basic homepage placeholder to make sure the app is up app.get("/", async (c) => { const content = await homeContent(c.req.raw); return c.html(layout(content, "MCP Tiny Server")); }); app.mount("/", (req, env, ctx) => { ctx.props = { }; return MyMCP.mount("/sse").fetch(req, env, ctx); }); export default app;