diff --git a/plugins/catalog-backend/src/modules/core/AnnotateScmSlugEntityProcessor.test.ts b/plugins/catalog-backend/src/modules/core/AnnotateScmSlugEntityProcessor.test.ts
index 0cde9417db..95bd8a554e 100644
--- a/plugins/catalog-backend/src/modules/core/AnnotateScmSlugEntityProcessor.test.ts
+++ b/plugins/catalog-backend/src/modules/core/AnnotateScmSlugEntityProcessor.test.ts
@@ -268,4 +268,163 @@ describe('AnnotateScmSlugEntityProcessor', () => {
       });
     });
   });
+
+  describe('azure', () => {
+    it('adds annotation', async () => {
+      const entity: Entity = {
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+        },
+      };
+      const location: LocationSpec = {
+        type: 'url',
+        target:
+          'https://dev.azure.com/organization/project/_git/repository?path=%2Fcatalog-info.yaml',
+      };
+
+      const processor = AnnotateScmSlugEntityProcessor.fromConfig(
+        new ConfigReader({}),
+      );
+
+      expect(await processor.preProcessEntity(entity, location)).toEqual({
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+          annotations: {
+            'dev.azure.com/project-repo': 'project/repository',
+          },
+        },
+      });
+    });
+
+    it('does not override existing annotation', async () => {
+      const entity: Entity = {
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+          annotations: {
+            'dev.azure.com/project-repo': 'myproj/myrepo',
+          },
+        },
+      };
+      const location: LocationSpec = {
+        type: 'url',
+        target:
+          'https://dev.azure.com/organization/project/_git/repository?path=%2Fcatalog-info.yaml',
+      };
+
+      const processor = AnnotateScmSlugEntityProcessor.fromConfig(
+        new ConfigReader({}),
+      );
+
+      expect(await processor.preProcessEntity(entity, location)).toEqual({
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+          annotations: {
+            'dev.azure.com/project-repo': 'myproj/myrepo',
+          },
+        },
+      });
+    });
+
+    it('should not add annotation for other providers', async () => {
+      const entity: Entity = {
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+        },
+      };
+      const location: LocationSpec = {
+        type: 'url',
+        target:
+          'https://not-in-mock-config.example.com/backstage/backstage/-/blob/master/catalog-info.yaml',
+      };
+
+      const processor = AnnotateScmSlugEntityProcessor.fromConfig(
+        new ConfigReader({}),
+      );
+
+      expect(await processor.preProcessEntity(entity, location)).toEqual({
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+        },
+      });
+    });
+
+    it('should only process applicable kinds', async () => {
+      const component: Entity = {
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+        },
+      };
+
+      const api: Entity = {
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'API',
+        metadata: {
+          name: 'my-component',
+        },
+      };
+
+      const system: Entity = {
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'System',
+        metadata: {
+          name: 'my-component',
+        },
+      };
+
+      const location: LocationSpec = {
+        type: 'url',
+        target:
+          'https://dev.azure.com/organization/project/_git/repository?path=%2Fcatalog-info.yaml',
+      };
+
+      const processor = AnnotateScmSlugEntityProcessor.fromConfig(
+        new ConfigReader({}),
+        { kinds: ['API', 'Component'] },
+      );
+
+      expect(await processor.preProcessEntity(component, location)).toEqual({
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'Component',
+        metadata: {
+          name: 'my-component',
+          annotations: {
+            'dev.azure.com/project-repo': 'project/repository',
+          },
+        },
+      });
+
+      expect(await processor.preProcessEntity(api, location)).toEqual({
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'API',
+        metadata: {
+          name: 'my-component',
+          annotations: {
+            'dev.azure.com/project-repo': 'project/repository',
+          },
+        },
+      });
+
+      expect(await processor.preProcessEntity(system, location)).toEqual({
+        apiVersion: 'backstage.io/v1alpha1',
+        kind: 'System',
+        metadata: {
+          name: 'my-component',
+        },
+      });
+    });
+  });
 });