use own layer for tool discovery

src/wf_mcp/transparent_proxy/runtime.py

@@ -136,13 +136,10 @@ class ProxyRuntime:
         self,
     ) -> list[ProxyToolPayload]:
         config = self.current_config()
-        connection_ids = {
+        tools = await self._list_active_mount_tools(config)
-            connection.id for connection in config.connections if connection.enabled
-        }
-        tools = await self.server.list_tools()
         return collect_proxy_tools(
             tools=tools,
-            connection_ids=connection_ids,
+            connection_ids=self._enabled_connection_ids(config),
         )
 
     async def list_proxy_tools_page(
@@ -163,19 +160,34 @@ class ProxyRuntime:
 
     async def get_proxy_tool(self, proxy_name: str) -> dict[str, Any]:
         config = self.current_config()
-        connection_ids = {
+        tools = await self._list_active_mount_tools(config)
-            connection.id for connection in config.connections if connection.enabled
-        }
-        tools = await self.server.list_tools()
         payloads = collect_proxy_tools(
             tools=tools,
-            connection_ids=connection_ids,
+            connection_ids=self._enabled_connection_ids(config),
         )
         for tool in payloads:
             if tool.proxy_name == proxy_name:
                 return tool.to_payload(include_schema=True)
         raise KeyError(proxy_name)
 
+    async def _list_active_mount_tools(self, config: BrokerConfig) -> list[Any]:
+        """Return mounted upstream tools without top-level client transforms.
+
+        Per-mount namespace transforms are part of our proxy contract, but
+        top-level transforms such as BM25 search are only presentation layers
+        for MCP clients. Admin inventory must inspect the mounted proxies
+        directly so hidden-but-mounted tools remain discoverable here.
+        """
+        tools: list[Any] = []
+        for mount in self.mounts.active_mounts_for(config):
+            tools.extend(await mount.proxy.list_tools())
+        return tools
+
+    @staticmethod
+    def _enabled_connection_ids(config: BrokerConfig) -> set[str]:
+        """Return connection ids that currently contribute mounted proxies."""
+        return {connection.id for connection in config.connections if connection.enabled}
+
 
 TransparentProxyRuntime = ProxyRuntime
 

tests/wf_mcp/test_transparent_proxy.py

@@ -279,6 +279,45 @@ def test_transparent_proxy_can_collapse_upstream_tools_behind_search() -> None:
     asyncio.run(run_proxy())
 
 
+def test_transparent_proxy_admin_inventory_ignores_search_visibility() -> None:
+    config = BrokerConfig(
+        store_root=local_temp_root() / "transparent_proxy_admin_inventory_store",
+        connections=[
+            ConnectionConfig(
+                id="fixture.personal",
+                server="fixture",
+                account="personal",
+                metadata={
+                    "transport": "stdio",
+                    "command": sys.executable,
+                    "args": [fixture_server_path()],
+                },
+            )
+        ],
+    )
+
+    async def run_proxy() -> None:
+        client = create_transparent_proxy_client(config, search_tools=True)
+        async with client:
+            visible_names = [tool.name for tool in await client.list_tools()]
+            assert "fixture.personal.echo_tool" not in visible_names
+
+            listed = await client.call_tool("wf.admin.list_proxy_tools", {})
+            payload = listed.data
+            assert isinstance(payload, dict)
+            assert payload["tools"][0]["proxy_name"] == "fixture.personal.echo_tool"
+
+            inspected = await client.call_tool(
+                "wf.admin.get_proxy_tool",
+                {"proxy_name": "fixture.personal.echo_tool"},
+            )
+            inspected_payload = inspected.data
+            assert isinstance(inspected_payload, dict)
+            assert inspected_payload["proxy_name"] == "fixture.personal.echo_tool"
+
+    asyncio.run(run_proxy())
+
+
 def test_transparent_proxy_proxy_tool_listing_supports_filters_and_cursor() -> None:
     config = BrokerConfig(
         store_root=local_temp_root() / "transparent_proxy_paged_tools_store",

wf_mcp.config.json

@@ -19,7 +19,7 @@
       "id": "playwright.default",
       "server": "playwright",
       "account": "default",
-      "enabled": true,
+      "enabled": false,
       "metadata": {
         "transport": "stdio",
         "command": "pnpx",