diff --git a/.github/workflows/cmux-next-guards.yml b/.github/workflows/cmux-next-guards.yml
index aae91ec651d1..a72a59a7ea13 100644
--- a/.github/workflows/cmux-next-guards.yml
+++ b/.github/workflows/cmux-next-guards.yml
@@ -588,6 +588,12 @@ jobs:
         if: ${{ !cancelled() }}
         run: python3 tests/test_web_validation.py
 
+      # cmux-next-tip-test-compile.yml runs the script only on feat-cmux-next pushes, so a pull
+      # request that broke it landed green; a fake cmux-ci client and GitHub API stand in.
+      - name: The per-push tip test compile (tip-test-compile.sh)
+        if: ${{ !cancelled() }}
+        run: python3 tests/test_ci_tip_test_compile.py
+
   # Every web bundle build runs gen-strings.mjs strict, but only pull requests
   # that touch webviews/ run its tests. 2c661dec960b renamed a setting in Swift
   # and the catalogs, the committed settings schema kept the old keys, and the
diff --git a/tests/test_pr_lane_coverage.py b/tests/test_pr_lane_coverage.py
index eb56a801d595..12339563dc99 100644
--- a/tests/test_pr_lane_coverage.py
+++ b/tests/test_pr_lane_coverage.py
@@ -312,6 +312,7 @@ def test_tests_of_feat_files_run_on_feat_pull_requests(self):
             "tests/test_ci_macho_parity.py",
             "tests/test_ci_macos_stubs.py",
             "tests/test_ci_package_lane_prebuild.py",
+            "tests/test_ci_tip_test_compile.py",
             "tests/test_cmux_next_dev_daily_notify_cli.py",
             "tests/test_cmux_next_media_publish_windows.py",
             "tests/test_compile_string_catalogs.py",