diff --git a/crates/google-workspace-cli/src/auth_commands.rs b/crates/google-workspace-cli/src/auth_commands.rs
index d7571e74..0eaeb5cd 100644
--- a/crates/google-workspace-cli/src/auth_commands.rs
+++ b/crates/google-workspace-cli/src/auth_commands.rs
@@ -841,6 +841,8 @@ fn map_service_to_scope_prefixes(service: &str) -> Vec<&str> {
         "slides" => vec!["presentations"],
         "docs" => vec!["documents"],
         "people" => vec!["contacts", "directory"],
+        "admin-directory" => vec!["admin.directory"],
+        "admin-reports" | "reports" => vec!["admin.reports"],
         s => vec![s],
     }
 }
@@ -2236,6 +2238,36 @@ mod tests {
         ));
     }
 
+    #[test]
+    fn scope_matches_admin_directory_service() {
+        let services: HashSet<String> = ["admin-directory"].iter().map(|s| s.to_string()).collect();
+        assert!(scope_matches_service(
+            "https://www.googleapis.com/auth/admin.directory.user.readonly",
+            &services
+        ));
+        assert!(scope_matches_service(
+            "https://www.googleapis.com/auth/admin.directory.group",
+            &services
+        ));
+        assert!(!scope_matches_service(
+            "https://www.googleapis.com/auth/admin.reports.audit.readonly",
+            &services
+        ));
+    }
+
+    #[test]
+    fn scope_matches_admin_reports_service() {
+        let services: HashSet<String> = ["admin-reports"].iter().map(|s| s.to_string()).collect();
+        assert!(scope_matches_service(
+            "https://www.googleapis.com/auth/admin.reports.audit.readonly",
+            &services
+        ));
+        assert!(!scope_matches_service(
+            "https://www.googleapis.com/auth/admin.directory.user.readonly",
+            &services
+        ));
+    }
+
     // ── services filter integration tests ────────────────────────────────
 
     #[test]
diff --git a/crates/google-workspace/src/services.rs b/crates/google-workspace/src/services.rs
index 72c96329..faa97d87 100644
--- a/crates/google-workspace/src/services.rs
+++ b/crates/google-workspace/src/services.rs
@@ -58,6 +58,12 @@ pub const SERVICES: &[ServiceEntry] = &[
         version: "reports_v1",
         description: "Audit logs and usage reports",
     },
+    ServiceEntry {
+        aliases: &["admin-directory"],
+        api_name: "admin",
+        version: "directory_v1",
+        description: "Manage users, groups, and organizational units",
+    },
     ServiceEntry {
         aliases: &["docs"],
         api_name: "docs",
@@ -174,6 +180,10 @@ mod tests {
             resolve_service("reports").unwrap(),
             ("admin".to_string(), "reports_v1".to_string())
         );
+        assert_eq!(
+            resolve_service("admin-directory").unwrap(),
+            ("admin".to_string(), "directory_v1".to_string())
+        );
     }
 
     #[test]