diff --git a/src/lib/instrumentation.ts b/src/lib/instrumentation.ts
index 59e5924..9a6db55 100644
--- a/src/lib/instrumentation.ts
+++ b/src/lib/instrumentation.ts
@@ -1,6 +1,7 @@
 import logger from "../logger.js";
 import { getBrowserStackAuth } from "./get-auth.js";
 import { createRequire } from "module";
+import { detectRunMode } from "./utils.js";
 const require = createRequire(import.meta.url);
 const packageJson = require("../../package.json");
 import axios from "axios";
@@ -12,6 +13,7 @@ interface MCPEventPayload {
     tool_name: string;
     mcp_client: string;
     success?: boolean;
+    mode?: string;
     error_message?: string;
     error_type?: string;
   };
@@ -53,7 +55,9 @@ export function trackMCP(
     event.event_properties.error_type =
       error instanceof Error ? error.constructor.name : "Unknown";
   }
-
+  
+  event.event_properties.mode = detectRunMode();
+  
   let authHeader = undefined;
   if (config) {
     const authString = getBrowserStackAuth(config);
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index e19532c..c03f7c7 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -1,4 +1,6 @@
 import sharp from "sharp";
+import path from "path";
+import { fileURLToPath } from "url";
 import type { ApiResponse } from "./apiClient.js";
 
 export function sanitizeUrlParam(param: string): string {
@@ -38,3 +40,14 @@ export async function assertOkResponse(
     );
   }
 }
+
+export function detectRunMode(): "npx" | "local" | "unknown" {
+  try {
+    const scriptPath = fileURLToPath(import.meta.url);
+    const normalizedPath = path.normalize(scriptPath);
+    const npxPattern = path.sep + "_npx" + path.sep;
+    return normalizedPath.includes(npxPattern) ? "npx" : "local";
+  } catch {
+    return "unknown";
+  }
+}