diff --git a/scripts/run-test-bucket.js b/scripts/run-test-bucket.js
index adca8e60..6d97a1ee 100644
--- a/scripts/run-test-bucket.js
+++ b/scripts/run-test-bucket.js
@@ -22,7 +22,12 @@ const slowTests = [
   'tests/integration/cursor-daemon-lifecycle.test.ts',
   'tests/integration/proxy/daemon-lifecycle.test.ts',
   'tests/unit/commands/persist-command-handler.test.ts',
-  'tests/unit/hooks/ccs-browser-mcp-server.test.ts',
+  'tests/unit/hooks/browser-mcp-advanced-interactions.test.ts',
+  'tests/unit/hooks/browser-mcp-downloads-and-files.test.ts',
+  'tests/unit/hooks/browser-mcp-navigation-and-query.test.ts',
+  'tests/unit/hooks/browser-mcp-orchestration-and-artifacts.test.ts',
+  'tests/unit/hooks/browser-mcp-recording-and-replay.test.ts',
+  'tests/unit/hooks/browser-mcp-session-and-intercepts.test.ts',
   'tests/unit/targets/codex-runtime-integration.test.ts',
   'tests/unit/targets/codex-settings-bridge-launch.test.ts',
   'tests/unit/targets/droid-command-routing-integration.test.ts',
diff --git a/tests/unit/scripts/run-test-bucket.test.js b/tests/unit/scripts/run-test-bucket.test.js
index d9c79ef2..0e1618cd 100644
--- a/tests/unit/scripts/run-test-bucket.test.js
+++ b/tests/unit/scripts/run-test-bucket.test.js
@@ -3,6 +3,15 @@ const path = require('node:path');
 const bucket = require('../../../scripts/run-test-bucket.js');
 
 describe('run-test-bucket', () => {
+  const browserMcpSplitSuites = [
+    'tests/unit/hooks/browser-mcp-advanced-interactions.test.ts',
+    'tests/unit/hooks/browser-mcp-downloads-and-files.test.ts',
+    'tests/unit/hooks/browser-mcp-navigation-and-query.test.ts',
+    'tests/unit/hooks/browser-mcp-orchestration-and-artifacts.test.ts',
+    'tests/unit/hooks/browser-mcp-recording-and-replay.test.ts',
+    'tests/unit/hooks/browser-mcp-session-and-intercepts.test.ts',
+  ];
+
   test('all declared slow tests still exist on disk', () => {
     for (const relativePath of bucket.slowTests) {
       const absolutePath = path.resolve(__dirname, '../../../', relativePath);
@@ -10,6 +19,15 @@ describe('run-test-bucket', () => {
     }
   });
 
+  test('keeps the split Browser MCP suites in the slow bucket', () => {
+    const slowSet = bucket.getSlowSet();
+
+    expect(slowSet.has('tests/unit/hooks/ccs-browser-mcp-server.test.ts')).toBe(false);
+    for (const relativePath of browserMcpSplitSuites) {
+      expect(slowSet.has(relativePath)).toBe(true);
+    }
+  });
+
   test('forces npm tests into the slow bucket', () => {
     expect(bucket.shouldForceSlow('tests/npm/cli.test.js')).toBe(true);
   });