From de91160c38f68c4fce25a9b357fd3b3f532b9b0e Mon Sep 17 00:00:00 2001
From: Yuta Okamoto <okapies@gmail.com>
Date: Wed, 29 Jul 2026 20:06:48 +0900
Subject: [PATCH 1/2] add add_resource_template()

---
 .../mcpserver/resources/resource_manager.py       | 15 +++++++++++++--
 src/mcp/server/mcpserver/server.py                | 12 +++++++++++-
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/mcp/server/mcpserver/resources/resource_manager.py b/src/mcp/server/mcpserver/resources/resource_manager.py
index e56e3ba177..0263bc268f 100644
--- a/src/mcp/server/mcpserver/resources/resource_manager.py
+++ b/src/mcp/server/mcpserver/resources/resource_manager.py
@@ -57,6 +57,18 @@ def add_resource(self, resource: Resource) -> Resource:
         self._resources[str(resource.uri)] = resource
         return resource
 
+    def add_resource_template(self, template: ResourceTemplate) -> ResourceTemplate:
+        """Add a resource template to the manager.
+
+        Args:
+            template: A ResourceTemplate instance to add.
+
+        Returns:
+            The added resource template.
+        """
+        self._templates[template.uri_template] = template
+        return template
+
     def add_template(
         self,
         fn: Callable[..., Any],
@@ -83,8 +95,7 @@ def add_template(
             meta=meta,
             security=security,
         )
-        self._templates[template.uri_template] = template
-        return template
+        return self.add_resource_template(template)
 
     async def get_resource(
         self, uri: AnyUrl | str, context: Context[LifespanContextT, RequestT]
diff --git a/src/mcp/server/mcpserver/server.py b/src/mcp/server/mcpserver/server.py
index 7bf1993e29..cade416c4f 100644
--- a/src/mcp/server/mcpserver/server.py
+++ b/src/mcp/server/mcpserver/server.py
@@ -79,6 +79,7 @@
     Resource,
     ResourceManager,
     ResourceSecurity,
+    ResourceTemplate,
 )
 from mcp.server.mcpserver.tools import Tool, ToolManager
 from mcp.server.mcpserver.utilities.context_injection import find_context_parameter
@@ -729,6 +730,14 @@ def add_resource(self, resource: Resource) -> None:
         """
         self._resource_manager.add_resource(resource)
 
+    def add_resource_template(self, template: ResourceTemplate) -> None:
+        """Add a resource template to the server.
+
+        Args:
+            template: A ResourceTemplate instance to add
+        """
+        self._resource_manager.add_resource_template(template)
+
     def resource(
         self,
         uri: str,
@@ -846,7 +855,7 @@ def decorator(fn: _CallableT) -> _CallableT:
                     )
 
                 # Register as template
-                self._resource_manager.add_template(
+                template = ResourceTemplate.from_function(
                     fn=fn,
                     uri_template=uri,
                     name=name,
@@ -858,6 +867,7 @@ def decorator(fn: _CallableT) -> _CallableT:
                     security=security if security is not None else self._resource_security,
                     meta=meta,
                 )
+                self._resource_manager.add_resource_template(template)
             else:
                 if func_params:
                     raise ValueError(

From 7132c85699559955f106ebce6799a63dae0f0efd Mon Sep 17 00:00:00 2001
From: Yuta Okamoto <okapies@gmail.com>
Date: Wed, 29 Jul 2026 20:43:55 +0900
Subject: [PATCH 2/2] add a test

---
 tests/server/mcpserver/test_server.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/server/mcpserver/test_server.py b/tests/server/mcpserver/test_server.py
index 48e900dcab..48e65d42cd 100644
--- a/tests/server/mcpserver/test_server.py
+++ b/tests/server/mcpserver/test_server.py
@@ -1004,6 +1004,18 @@ def get_csv(user: str) -> str:
                 )
             )
 
+    async def test_add_resource_template(self):
+        """Test that a resource template can be added without using the @resource decorator."""
+        from mcp.server.mcpserver.resources import ResourceTemplate
+
+        mcp = MCPServer()
+
+        def get_data(param: str) -> str:  # type: ignore  # pragma: no cover
+            return "Data"
+
+        template = ResourceTemplate.from_function(get_data, "resource://{param}")
+        mcp.add_resource_template(template)
+
 
 class TestServerResourceMetadata:
     """Test MCPServer @resource decorator meta parameter for list operations.