diff --git a/app/src/services/__tests__/rpcMethods.test.ts b/app/src/services/__tests__/rpcMethods.test.ts
index 3f669e7f03..54d266f3b2 100644
--- a/app/src/services/__tests__/rpcMethods.test.ts
+++ b/app/src/services/__tests__/rpcMethods.test.ts
@@ -53,6 +53,48 @@ describe('rpcMethods catalog', () => {
     );
   });
 
+  describe('MCP client legacy alias resolution (Sentry CORE-RUST-DW/DV/DT/DS/DR)', () => {
+    test('mcp_clients.list resolves to mcp_clients_installed_list', () => {
+      expect(normalizeRpcMethod('mcp_clients.list')).toBe(CORE_RPC_METHODS.mcpClientsInstalledList);
+    });
+
+    test('openhuman.mcp_clients_list resolves to mcp_clients_installed_list', () => {
+      expect(normalizeRpcMethod('openhuman.mcp_clients_list')).toBe(
+        CORE_RPC_METHODS.mcpClientsInstalledList
+      );
+    });
+
+    test('openhuman.mcp_list resolves to mcp_clients_installed_list', () => {
+      expect(normalizeRpcMethod('openhuman.mcp_list')).toBe(
+        CORE_RPC_METHODS.mcpClientsInstalledList
+      );
+    });
+
+    test('openhuman.mcp_servers_list resolves to mcp_clients_installed_list', () => {
+      expect(normalizeRpcMethod('openhuman.mcp_servers_list')).toBe(
+        CORE_RPC_METHODS.mcpClientsInstalledList
+      );
+    });
+
+    test('openhuman.tool_registry_call resolves to mcp_clients_tool_call', () => {
+      expect(normalizeRpcMethod('openhuman.tool_registry_call')).toBe(
+        CORE_RPC_METHODS.mcpClientsToolCall
+      );
+    });
+
+    test('canonical mcp_clients_installed_list passes through unchanged', () => {
+      expect(normalizeRpcMethod('openhuman.mcp_clients_installed_list')).toBe(
+        'openhuman.mcp_clients_installed_list'
+      );
+    });
+
+    test('canonical mcp_clients_tool_call passes through unchanged', () => {
+      expect(normalizeRpcMethod('openhuman.mcp_clients_tool_call')).toBe(
+        'openhuman.mcp_clients_tool_call'
+      );
+    });
+  });
+
   test('catalog canonical methods exist in core schema registry (drift guard)', () => {
     const schemaSources = [
       fs.readFileSync(
@@ -75,6 +117,10 @@ describe('rpcMethods catalog', () => {
         path.resolve(__dirname, '../../../../src/openhuman/embeddings/schemas.rs'),
         'utf8'
       ),
+      fs.readFileSync(
+        path.resolve(__dirname, '../../../../src/openhuman/mcp_registry/schemas.rs'),
+        'utf8'
+      ),
       fs.readFileSync(
         path.resolve(__dirname, '../../../../src/openhuman/health/schemas.rs'),
         'utf8'
@@ -93,9 +139,11 @@ describe('rpcMethods catalog', () => {
             ? 'embeddings'
             : methodRoot.startsWith('providers_')
               ? 'providers'
-              : methodRoot.startsWith('health_')
-                ? 'health'
-                : 'config';
+              : methodRoot.startsWith('mcp_clients_')
+                ? 'mcp_clients'
+                : methodRoot.startsWith('health_')
+                  ? 'health'
+                  : 'config';
       const fnName = methodRoot.slice(`${namespace}_`.length);
       expect(schemaSources).toContain(`namespace: "${namespace}"`);
       expect(schemaSources).toContain(`function: "${fnName}"`);
diff --git a/app/src/services/rpcMethods.ts b/app/src/services/rpcMethods.ts
index f6b665ea29..0086744b9e 100644
--- a/app/src/services/rpcMethods.ts
+++ b/app/src/services/rpcMethods.ts
@@ -35,12 +35,21 @@ export const CORE_RPC_METHODS = {
   embeddingsClearApiKey: 'openhuman.embeddings_clear_api_key',
   embeddingsEmbed: 'openhuman.embeddings_embed',
   embeddingsTestConnection: 'openhuman.embeddings_test_connection',
+  mcpClientsInstalledList: 'openhuman.mcp_clients_installed_list',
+  mcpClientsToolCall: 'openhuman.mcp_clients_tool_call',
   healthSnapshot: 'openhuman.health_snapshot',
 } as const;
 
 export type CoreRpcMethod = (typeof CORE_RPC_METHODS)[keyof typeof CORE_RPC_METHODS];
 
 export const LEGACY_METHOD_ALIASES: Record<string, CoreRpcMethod> = {
+  // MCP clients — old method names that appeared in Sentry (CORE-RUST-DR/DS/DT/DV/DW).
+  // See src/core/legacy_aliases.rs for the Rust-side mirror of this table.
+  'mcp_clients.list': CORE_RPC_METHODS.mcpClientsInstalledList,
+  'openhuman.mcp_clients_list': CORE_RPC_METHODS.mcpClientsInstalledList,
+  'openhuman.mcp_list': CORE_RPC_METHODS.mcpClientsInstalledList,
+  'openhuman.mcp_servers_list': CORE_RPC_METHODS.mcpClientsInstalledList,
+  'openhuman.tool_registry_call': CORE_RPC_METHODS.mcpClientsToolCall,
   'openhuman.get_analytics_settings': CORE_RPC_METHODS.configGetAnalyticsSettings,
   'openhuman.get_composio_trigger_settings': CORE_RPC_METHODS.configGetComposioTriggerSettings,
   'openhuman.get_config': CORE_RPC_METHODS.configGet,
diff --git a/src/core/legacy_aliases.rs b/src/core/legacy_aliases.rs
index 644e392c1c..c3196bf4e1 100644
--- a/src/core/legacy_aliases.rs
+++ b/src/core/legacy_aliases.rs
@@ -21,6 +21,13 @@
 /// Order doesn't matter for correctness, but is kept alphabetical by legacy
 /// key for easier diffing against the frontend table.
 const LEGACY_ALIASES: &[(&str, &str)] = &[
+    // MCP clients — old method names that appeared in Sentry (CORE-RUST-DR/DS/DT/DV/DW).
+    // Callers used dotted namespace, bare `mcp_list`, `mcp_servers_list`, and
+    // `mcp_clients_list` before the canonical `mcp_clients_installed_list` was
+    // introduced in PR #2409. `tool_registry_call` was an early mis-spelling of
+    // `mcp_clients_tool_call` that shipped in at least one older bundle.
+    // `mcp_clients.list` sorts before all `openhuman.*` entries (m < o).
+    ("mcp_clients.list", "openhuman.mcp_clients_installed_list"),
     (
         "openhuman.get_analytics_settings",
         "openhuman.config_get_analytics_settings",
@@ -34,11 +41,24 @@ const LEGACY_ALIASES: &[(&str, &str)] = &[
         "openhuman.get_runtime_flags",
         "openhuman.config_get_runtime_flags",
     ),
+    (
+        "openhuman.mcp_clients_list",
+        "openhuman.mcp_clients_installed_list",
+    ),
+    ("openhuman.mcp_list", "openhuman.mcp_clients_installed_list"),
+    (
+        "openhuman.mcp_servers_list",
+        "openhuman.mcp_clients_installed_list",
+    ),
     ("openhuman.ping", "core.ping"),
     (
         "openhuman.set_browser_allow_all",
         "openhuman.config_set_browser_allow_all",
     ),
+    (
+        "openhuman.tool_registry_call",
+        "openhuman.mcp_clients_tool_call",
+    ),
     (
         "openhuman.update_analytics_settings",
         "openhuman.config_update_analytics_settings",