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Implement MCP 2026-07-28 (#2286)

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Co-authored-by: Matt <77928207+mattzcarey@users.noreply.github.com>
Co-authored-by: Konstantin Konstantinov <KKonstantinov@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
This commit is contained in:
Felix Weinberger 2026-06-26 14:01:10 +01:00 • committed by GitHub
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36
examples/stateless-legacy/server.ts Normal file
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/**
* The minimal `createMcpHandler` deployment, on its default posture.
*
* One factory, one endpoint: 2026-07-28 traffic is served per request, and
* 2025-era (non-envelope) traffic is served stateless from the same factory
* (`legacy: 'stateless'`, the default). This replaces the hand-wired
* "new transport + new server per POST" stateless idiom of the 1.x SDK with
* a one-liner.
*
* HTTP-only — `createMcpHandler`'s `legacy: 'stateless'` posture is an HTTP
* hosting concern; a stdio leg would bypass it. See `dual-era/` for the stdio
* analogue.
*/
import { createServer } from 'node:http';
import { parseExampleArgs } from '@mcp-examples/shared';
import { toNodeHandler } from '@modelcontextprotocol/node';
import { createMcpHandler, McpServer } from '@modelcontextprotocol/server';
import * as z from 'zod/v4';
function buildServer(): McpServer {
const server = new McpServer({ name: 'stateless-legacy-example', version: '1.0.0' }, { capabilities: { logging: {} } });
server.registerTool(
'greet',
{ description: 'A simple greeting tool', inputSchema: z.object({ name: z.string() }) },
async ({ name }) => ({ content: [{ type: 'text', text: `Hello, ${name}!` }] })
);
return server;
}
const { port } = parseExampleArgs();
const handler = createMcpHandler(buildServer);
createServer(toNodeHandler(handler)).listen(port, () => {
console.error(`[server] listening on http://127.0.0.1:${port}/mcp`);
});