From 58dd51e3d32ac88fb7a4483750d49ea3027f42a3 Mon Sep 17 00:00:00 2001
From: Alex Rudenko <alexrudenko@chromium.org>
Date: Fri, 20 Feb 2026 14:03:00 +0100
Subject: [PATCH] chore: do not suppress uncaught errors in tests

---
 scripts/test.mjs | 1 +
 src/main.ts      | 8 +++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/scripts/test.mjs b/scripts/test.mjs
index 396996b15..43ee3871b 100644
--- a/scripts/test.mjs
+++ b/scripts/test.mjs
@@ -68,6 +68,7 @@ async function runTests(attempt) {
       env: {
         ...process.env,
         CHROME_DEVTOOLS_MCP_NO_USAGE_STATISTICS: true,
+        CHROME_DEVTOOLS_MCP_CRASH_ON_UNCAUGHT: true,
       },
     });
 
diff --git a/src/main.ts b/src/main.ts
index 9a7f9e755..7ae73fe0c 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -58,9 +58,11 @@ if (args.usageStatistics) {
   });
 }
 
-process.on('unhandledRejection', (reason, promise) => {
-  logger('Unhandled promise rejection', promise, reason);
-});
+if (process.env['CHROME_DEVTOOLS_MCP_CRASH_ON_UNCAUGHT'] !== 'true') {
+  process.on('unhandledRejection', (reason, promise) => {
+    logger('Unhandled promise rejection', promise, reason);
+  });
+}
 
 logger(`Starting Chrome DevTools MCP Server v${VERSION}`);
 const server = new McpServer(