diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 6f0d3fe21..2ca8d10a7 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -1,5 +1,10 @@
 name: Workflow Lint
-on: [push, pull_request]
+# push is main-only: a push to a PR branch already fires the pull_request run;
+# the unrestricted push trigger double-ran every PR commit.
+on:
+  push:
+    branches: [main]
+  pull_request:
 
 # Cancel superseded runs for the same branch (matches evals.yml,
 # windows-free-tests.yml, etc.). head_ref is set on pull_request; ref_name is
diff --git a/.github/workflows/skill-docs.yml b/.github/workflows/skill-docs.yml
index 0f38d5cc7..227e9fa40 100644
--- a/.github/workflows/skill-docs.yml
+++ b/.github/workflows/skill-docs.yml
@@ -1,5 +1,10 @@
 name: Skill Docs Freshness
-on: [push, pull_request]
+# push is main-only: a push to a PR branch already fires the pull_request run;
+# the unrestricted push trigger double-ran every PR commit.
+on:
+  push:
+    branches: [main]
+  pull_request:
 
 # Cancel superseded runs for the same branch (matches evals.yml,
 # windows-free-tests.yml, etc.). head_ref is set on pull_request; ref_name is