diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 8aecbc0..1ba55be 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Check workflow syntax
+      - name: Check added workflow syntax
         uses: docker://rhysd/actionlint:1.7.12
         with:
-          args: -color
+          args: -color .github/workflows/claude.yml .github/workflows/actionlint.yml
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index f872b0f..a98f7b8 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -33,14 +33,18 @@ jobs:
     if: |
       github.event_name == 'workflow_dispatch' ||
       (github.event_name == 'issue_comment' &&
-        contains(github.event.comment.body, '@claude')) ||
+        contains(github.event.comment.body, '@claude') &&
+        contains(fromJSON('["OWNER", "MEMBER", "COLLABORATOR"]'), github.event.comment.author_association)) ||
       (github.event_name == 'pull_request_review_comment' &&
-        contains(github.event.comment.body, '@claude')) ||
+        contains(github.event.comment.body, '@claude') &&
+        contains(fromJSON('["OWNER", "MEMBER", "COLLABORATOR"]'), github.event.comment.author_association)) ||
       (github.event_name == 'pull_request_review' &&
-        contains(github.event.review.body, '@claude')) ||
+        contains(github.event.review.body, '@claude') &&
+        contains(fromJSON('["OWNER", "MEMBER", "COLLABORATOR"]'), github.event.review.author_association)) ||
       (github.event_name == 'issues' &&
         (contains(github.event.issue.body, '@claude') ||
-         contains(github.event.issue.title, '@claude')))
+         contains(github.event.issue.title, '@claude')) &&
+        contains(fromJSON('["OWNER", "MEMBER", "COLLABORATOR"]'), github.event.issue.author_association))
 
     runs-on: ubuntu-latest
     timeout-minutes: 30