diff --git a/packages/core/src/extension/extensionManager.test.ts b/packages/core/src/extension/extensionManager.test.ts
index 10a39dc5e..7b43eddc7 100644
--- a/packages/core/src/extension/extensionManager.test.ts
+++ b/packages/core/src/extension/extensionManager.test.ts
@@ -755,6 +755,20 @@ describe('extension tests', () => {
         const id = getExtensionId(config, metadata);
         expect(id).toBe(hashValue('https://github.com/owner/repo'));
       });
+
+      it('should use source as-is for non-GitHub git URLs (e.g., GitLab)', () => {
+        // For non-GitHub git servers, fall back to using the source URL directly
+        const config: ExtensionConfig = { name: 'test-ext', version: '1.0.0' };
+        const metadata = {
+          type: 'git' as const,
+          source: 'https://gitlab.company.com/team/extension-repo',
+        };
+
+        const id = getExtensionId(config, metadata);
+        expect(id).toBe(
+          hashValue('https://gitlab.company.com/team/extension-repo'),
+        );
+      });
     });
   });
 
diff --git a/packages/core/src/extension/extensionManager.ts b/packages/core/src/extension/extensionManager.ts
index 15ead552d..e64527ced 100644
--- a/packages/core/src/extension/extensionManager.ts
+++ b/packages/core/src/extension/extensionManager.ts
@@ -1358,12 +1358,18 @@ export function getExtensionId(
   installMetadata?: ExtensionInstallMetadata,
 ): string {
   let idValue = config.name;
-  const githubUrlParts =
+  let githubUrlParts = null;
+  if (
     installMetadata &&
     (installMetadata.type === 'git' ||
       installMetadata.type === 'github-release')
-      ? parseGitHubRepoForReleases(installMetadata.source)
-      : null;
+  ) {
+    try {
+      githubUrlParts = parseGitHubRepoForReleases(installMetadata.source);
+    } catch {
+      // Non-GitHub URL (GitLab, Bitbucket, etc.) - use source as-is
+    }
+  }
   if (githubUrlParts) {
     idValue = `https://github.com/${githubUrlParts.owner}/${githubUrlParts.repo}`;
   } else {