diff --git a/client b/client
index 421b27e0..7319ea41 160000
--- a/client
+++ b/client
@@ -1 +1 @@
-Subproject commit 421b27e06999420f7db6a0e984cfa7699723f594
+Subproject commit 7319ea4178e68e0f7cdaf52ff1433e55bae91ed4
diff --git a/common/proto/table_definition.proto b/common/proto/table_definition.proto
index d31bbba5..717cdcb6 100644
--- a/common/proto/table_definition.proto
+++ b/common/proto/table_definition.proto
@@ -308,11 +308,18 @@ message ProfileTreeResponse {
 
   // All profiles in the system.
   repeated Profile profiles = 1;
+
+  // The profile holding the tables every profile shares. Callers browse this
+  // one when the user has not chosen a profile, so the name is reported here
+  // rather than being known in advance.
+  string shared_profile_name = 2;
 }
 
 message GetTableCatalogRequest {
-  // Selected profile. Omit this field to request the global-only scope.
-  optional string profile_name = 1;
+  // Profile whose tables to list, together with the shared tables every
+  // profile sees. The profile holding the shared tables is named like any
+  // other, and asking for it lists exactly those.
+  string profile_name = 1;
 }
 
 message GetTableCatalogResponse {
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index a65fe88d..7d9b5083 100644
Binary files a/common/src/proto/descriptor.bin and b/common/src/proto/descriptor.bin differ
diff --git a/common/src/proto/komp_ac.table_definition.rs b/common/src/proto/komp_ac.table_definition.rs
index 8d503e60..da0117ad 100644
--- a/common/src/proto/komp_ac.table_definition.rs
+++ b/common/src/proto/komp_ac.table_definition.rs
@@ -224,6 +224,11 @@ pub struct ProfileTreeResponse {
     /// All profiles in the system.
     #[prost(message, repeated, tag = "1")]
     pub profiles: ::prost::alloc::vec::Vec<profile_tree_response::Profile>,
+    /// The profile holding the tables every profile shares. Callers browse this
+    /// one when the user has not chosen a profile, so the name is reported here
+    /// rather than being known in advance.
+    #[prost(string, tag = "2")]
+    pub shared_profile_name: ::prost::alloc::string::String,
 }
 /// Nested message and enum types in `ProfileTreeResponse`.
 pub mod profile_tree_response {
@@ -283,9 +288,11 @@ pub mod profile_tree_response {
 }
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct GetTableCatalogRequest {
-    /// Selected profile. Omit this field to request the global-only scope.
-    #[prost(string, optional, tag = "1")]
-    pub profile_name: ::core::option::Option<::prost::alloc::string::String>,
+    /// Profile whose tables to list, together with the shared tables every
+    /// profile sees. The profile holding the shared tables is named like any
+    /// other, and asking for it lists exactly those.
+    #[prost(string, tag = "1")]
+    pub profile_name: ::prost::alloc::string::String,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetTableCatalogResponse {
diff --git a/server b/server
index efcd4b9e..f3efeae0 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit efcd4b9ed04370cf9459bf79dd0360b26eb38d83
+Subproject commit f3efeae04b782b5bef8cf5a4d9827933ac58190d
diff --git a/web/src/pages/add_table/loader.rs b/web/src/pages/add_table/loader.rs
index 641b4134..b1411b3a 100644
--- a/web/src/pages/add_table/loader.rs
+++ b/web/src/pages/add_table/loader.rs
@@ -73,7 +73,9 @@ pub(crate) async fn load_page(
     // to — see `crate::pages::table_scope`.
     let catalog_tables = definitions
         .get_table_catalog(
-            authenticated_request(headers, GetTableCatalogRequest { profile_name: None })
+            authenticated_request(headers, GetTableCatalogRequest {
+                    profile_name: crate::pages::GLOBAL_SCOPE.to_string(),
+                })
                 .map_err(|_| LoadError::Unauthenticated)?,
         )
         .await
diff --git a/web/src/pages/admin/admin/loader.rs b/web/src/pages/admin/admin/loader.rs
index 50e0657e..cb27655c 100644
--- a/web/src/pages/admin/admin/loader.rs
+++ b/web/src/pages/admin/admin/loader.rs
@@ -51,7 +51,9 @@ pub(crate) async fn load_admin_page(
     let global_tables = table_scope::global_tables(
         &definitions
             .get_table_catalog(
-                authenticated_request(headers, GetTableCatalogRequest { profile_name: None })
+                authenticated_request(headers, GetTableCatalogRequest {
+                    profile_name: crate::pages::GLOBAL_SCOPE.to_string(),
+                })
                     .map_err(authentication_error)?,
             )
             .await
diff --git a/web/src/pages/admin/table_definition/loader.rs b/web/src/pages/admin/table_definition/loader.rs
index d8f885be..ebd7170f 100644
--- a/web/src/pages/admin/table_definition/loader.rs
+++ b/web/src/pages/admin/table_definition/loader.rs
@@ -121,7 +121,9 @@ pub(crate) async fn load_page(
     // had just listed.
     let catalog_tables = definitions
         .get_table_catalog(
-            authenticated_request(headers, GetTableCatalogRequest { profile_name: None })
+            authenticated_request(headers, GetTableCatalogRequest {
+                    profile_name: crate::pages::GLOBAL_SCOPE.to_string(),
+                })
                 .map_err(|_| LoadError::Unauthenticated)?,
         )
         .await
diff --git a/web/src/pages/import_export/common/loader.rs b/web/src/pages/import_export/common/loader.rs
index e3a5f24a..a88d6664 100644
--- a/web/src/pages/import_export/common/loader.rs
+++ b/web/src/pages/import_export/common/loader.rs
@@ -75,7 +75,9 @@ pub(crate) async fn load_catalog(
     let global = table_scope::global_tables(
         &definitions
             .get_table_catalog(
-                authenticated_request(headers, GetTableCatalogRequest { profile_name: None })
+                authenticated_request(headers, GetTableCatalogRequest {
+                    profile_name: crate::pages::GLOBAL_SCOPE.to_string(),
+                })
                     .map_err(|_| LoadError::Unauthenticated)?,
             )
             .await