From 7a2c718c2784c4a22d70b273348dd3e938380b68 Mon Sep 17 00:00:00 2001
From: Angelo Giacco <giacco.angelo.s@gmail.com>
Date: Tue, 7 Apr 2026 16:23:53 +0100
Subject: [PATCH] fix: migrate remaining examples to nested
 _meta.ui.resourceUri format

---
 examples/map-server/server.ts        | 3 +--
 examples/qr-server/server.py         | 2 +-
 examples/transcript-server/server.ts | 3 +--
 src/server/index.ts                  | 2 +-
 4 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/examples/map-server/server.ts b/examples/map-server/server.ts
index b36db931f..24b5c7825 100644
--- a/examples/map-server/server.ts
+++ b/examples/map-server/server.ts
@@ -18,7 +18,6 @@ import {
   registerAppTool,
   registerAppResource,
   RESOURCE_MIME_TYPE,
-  RESOURCE_URI_META_KEY,
 } from "@modelcontextprotocol/ext-apps/server";
 import { startServer } from "./server-utils.js";
 
@@ -173,7 +172,7 @@ export function createServer(): McpServer {
           .optional()
           .describe("Optional label to display on the map"),
       },
-      _meta: { [RESOURCE_URI_META_KEY]: RESOURCE_URI },
+      _meta: { ui: { resourceUri: RESOURCE_URI } },
     },
     async ({ west, south, east, north, label }): Promise<CallToolResult> => ({
       content: [
diff --git a/examples/qr-server/server.py b/examples/qr-server/server.py
index 3866f9bdc..8db9c5c47 100644
--- a/examples/qr-server/server.py
+++ b/examples/qr-server/server.py
@@ -20,7 +20,7 @@
 mcp = FastMCP("QR Server", port=PORT, stateless_http=True)
 
 
-@mcp.tool(meta={"ui/resourceUri": WIDGET_URI})
+@mcp.tool(meta={"ui": {"resourceUri": WIDGET_URI}})
 def generate_qr(
     text: str,
     box_size: int = 10,
diff --git a/examples/transcript-server/server.ts b/examples/transcript-server/server.ts
index b4cdd09d4..14429f213 100644
--- a/examples/transcript-server/server.ts
+++ b/examples/transcript-server/server.ts
@@ -10,7 +10,6 @@ import {
   registerAppTool,
   registerAppResource,
   RESOURCE_MIME_TYPE,
-  RESOURCE_URI_META_KEY,
 } from "@modelcontextprotocol/ext-apps/server";
 import { startServer } from "./server-utils.js";
 
@@ -35,7 +34,7 @@ export function createServer(): McpServer {
       description:
         "Opens a live speech transcription interface using the Web Speech API.",
       inputSchema: {},
-      _meta: { [RESOURCE_URI_META_KEY]: RESOURCE_URI },
+      _meta: { ui: { resourceUri: RESOURCE_URI } },
     },
     async (): Promise<CallToolResult> => {
       return {
diff --git a/src/server/index.ts b/src/server/index.ts
index df7a36e5d..6ed73df2a 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -94,7 +94,7 @@ export interface McpUiAppResourceConfig extends ResourceMetadata {
  *   description: "Get current weather for a location",
  *   inputSchema: { location: z.string() },
  *   _meta: {
- *     [RESOURCE_URI_META_KEY]: "ui://weather/widget.html",
+ *     ui: { resourceUri: "ui://weather/widget.html" },
  *   },
  * }, async (args) => {
  *   const weather = await fetchWeather(args.location);