chore: make telemetry deps optional (#405)

* docs: readme improvement

* more

* chore: make telemetry deps optional

Author: KazuCocoa

package.json

@@ -60,9 +60,6 @@
     "@appium/mcp-documentation": "^1.0.1",
     "@appium/support": "^7.0.2",
     "@modelcontextprotocol/sdk": "^1.22.0",
-    "@opentelemetry/api": "^1.9.1",
-    "@opentelemetry/exporter-trace-otlp-http": "^0.219.0",
-    "@opentelemetry/sdk-node": "^0.219.0",
     "@xenova/transformers": "^2.17.2",
     "@xmldom/xmldom": "^0.9.8",
     "appium-adb": "^15.0.0",
@@ -79,6 +76,11 @@
     "xpath": "^0.0.34",
     "zod": "^4.3.6"
   },
+  "optionalDependencies": {
+    "@opentelemetry/api": "^1.9.1",
+    "@opentelemetry/exporter-trace-otlp-http": "^0.219.0",
+    "@opentelemetry/sdk-node": "^0.219.0"
+  },
   "devDependencies": {
     "@appium/eslint-config-appium-ts": "^3.0.0",
     "@appium/tsconfig": "^1.1.2",

src/create-server.ts

@@ -112,8 +112,15 @@ export async function createAppiumMcpServer(
   });
 
   installPolicy(server, policy);
-  await initializeOpenTelemetry();
-  installTelemetryWrappers(server);
+  try {
+    await initializeOpenTelemetry();
+    installTelemetryWrappers(server);
+  } catch (error) {
+    log.error(
+      'Failed to initialize OpenTelemetry, telemetry will not be available:',
+      error
+    );
+  }
 
   // -------------------------------------------------------------------------
   // 1. Install plugin hooks BEFORE registering any tools so that every built-in