diff --git a/.github/workflows/code-scanning.yml b/.github/workflows/code-scanning.yml
index 468f425ae..02c19fc77 100644
--- a/.github/workflows/code-scanning.yml
+++ b/.github/workflows/code-scanning.yml
@@ -14,6 +14,8 @@ env:
 jobs:
   analyze:
     name: Analyze (${{ matrix.language }})
+    # Only run on the main repository, not on forks
+    if: github.repository == 'github/github-mcp-server'
     runs-on: ${{ fromJSON(matrix.runner) }}
     permissions:
       actions: read