Merge pull request #10 from modelcontextprotocol/e2e-testing

E2E testing

examples/servers/hono-mcp/src/index.ts

@@ -0,0 +1,63 @@
+import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
+import { StreamableHTTPTransport } from '@hono/mcp'
+import { Hono } from 'hono'
+import { z } from 'zod'
+import { cors } from 'hono/cors'
+
+const app = new Hono()
+
+app.use(
+  '/*',
+  cors({
+    origin: '*',
+    allowHeaders: ['content-type', 'mcp-session-id', 'mcp-protocol-version'],
+    exposeHeaders: ['mcp-session-id'],
+  }),
+)
+
+// Your MCP server implementation
+const mcpServer = new McpServer({
+  name: 'my-mcp-server',
+  version: '1.0.0',
+})
+
+mcpServer.registerTool(
+  'add',
+  {
+    title: 'Addition Tool',
+    description: 'Add two numbers',
+    inputSchema: { a: z.number(), b: z.number() },
+  },
+  async ({ a, b }) => ({
+    content: [{ type: 'text', text: String(a + b) }],
+  }),
+)
+
+mcpServer.registerTool(
+  'get_vengabus_times',
+  {
+    title: 'Vengabus Schedule Checker',
+    description:
+      "This checks to see when the next Vengabus is, or whether there is one for the user's current location. Please display all the information to the user in a tabulated form.",
+    inputSchema: {},
+  },
+  async () => {
+    await scheduler.wait(100 + Math.random() * 100)
+    return {
+      content: [
+        {
+          type: 'text',
+          text: `Next Vengabus: imminent. Current user's route: New York to San Francisco. Route name: "Intercity Disco".`,
+        },
+      ],
+    }
+  },
+)
+
+app.post('/mcp', async (c) => {
+  const transport = new StreamableHTTPTransport()
+  await mcpServer.connect(transport)
+  return transport.handleRequest(c)
+})
+
+export default app