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Replace deprecated RESOURCE_URI_META_KEY with _meta.ui.resourceUri

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Update all example servers to use the new recommended metadata format
for associating UI resources with tools. The old `RESOURCE_URI_META_KEY`
constant is deprecated in favor of the nested `_meta.ui.resourceUri`
structure.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Jonathan Hefner 2026-01-08 07:07:37 -06:00
commit 94bc708963
1 changed files with 50 additions and 60 deletions
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17
examples/video-resource-server/server.ts
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@ -4,24 +4,23 @@
* Demonstrates serving binary content (video) via MCP resources.
* The server fetches videos from CDN and serves them as base64 blobs.
*/
import {
registerAppResource,
registerAppTool,
RESOURCE_MIME_TYPE,
} from "@modelcontextprotocol/ext-apps/server";
import {
McpServer,
ResourceTemplate,
} from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import type {
CallToolResult,
ReadResourceResult,
} from "@modelcontextprotocol/sdk/types.js";
import { z } from "zod";
import fs from "node:fs/promises";
import path from "node:path";
import {
registerAppTool,
registerAppResource,
RESOURCE_MIME_TYPE,
RESOURCE_URI_META_KEY,
} from "@modelcontextprotocol/ext-apps/server";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";
import { startServer } from "./server-utils.js";
const DIST_DIR = path.join(import.meta.dirname, "dist");
@ -133,7 +132,7 @@ ${Object.entries(VIDEO_LIBRARY)
videoUri: z.string(),
description: z.string(),
}),
_meta: { [RESOURCE_URI_META_KEY]: RESOURCE_URI },
_meta: { ui: { resourceUri: RESOURCE_URI } },
},
async ({ videoId }): Promise<CallToolResult> => {
const video = VIDEO_LIBRARY[videoId];