diff --git a/openapi.json b/openapi.json
index 2d9970c..5fbf664 100644
--- a/openapi.json
+++ b/openapi.json
@@ -2185,6 +2185,24 @@
             },
             "description": "Case-insensitive match on agent name or description."
           },
+          {
+            "name": "reserved",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "anyOf": [
+                {
+                  "type": "boolean"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "``true``: reserved ``h/`` agents only. ``false``: org agents only.",
+              "title": "Reserved"
+            },
+            "description": "``true``: reserved ``h/`` agents only. ``false``: org agents only."
+          },
           {
             "name": "page",
             "in": "query",
diff --git a/pyproject.toml b/pyproject.toml
index 7bb2e09..9360999 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "hai-agents"
-version = "1.2.0"
+version = "1.2.1"
 description = "Python SDK for H Company's Agents API: autonomous agents powered by Holo."
 requires-python = ">=3.10"
 readme = "README.md"
diff --git a/src/hai_agents/agents/client.py b/src/hai_agents/agents/client.py
index d0fc3db..ee31c0b 100644
--- a/src/hai_agents/agents/client.py
+++ b/src/hai_agents/agents/client.py
@@ -42,6 +42,7 @@ def list_agents(
         *,
         agent_name: typing.Optional[str] = None,
         search: typing.Optional[str] = None,
+        reserved: typing.Optional[bool] = None,
         page: typing.Optional[int] = None,
         size: typing.Optional[int] = None,
         sort: typing.Optional[typing.Sequence[ListAgentsRequestSortItem]] = None,
@@ -58,6 +59,9 @@ def list_agents(
         search : typing.Optional[str]
             Case-insensitive match on agent name or description.
 
+        reserved : typing.Optional[bool]
+            ``true``: reserved ``h/`` agents only. ``false``: org agents only.
+
         page : typing.Optional[int]
             Page number (1-based)
 
@@ -85,7 +89,13 @@ def list_agents(
         client.agents.list_agents()
         """
         _response = self._raw_client.list_agents(
-            agent_name=agent_name, search=search, page=page, size=size, sort=sort, request_options=request_options
+            agent_name=agent_name,
+            search=search,
+            reserved=reserved,
+            page=page,
+            size=size,
+            sort=sort,
+            request_options=request_options,
         )
         return _response.data
 
@@ -429,6 +439,7 @@ async def list_agents(
         *,
         agent_name: typing.Optional[str] = None,
         search: typing.Optional[str] = None,
+        reserved: typing.Optional[bool] = None,
         page: typing.Optional[int] = None,
         size: typing.Optional[int] = None,
         sort: typing.Optional[typing.Sequence[ListAgentsRequestSortItem]] = None,
@@ -445,6 +456,9 @@ async def list_agents(
         search : typing.Optional[str]
             Case-insensitive match on agent name or description.
 
+        reserved : typing.Optional[bool]
+            ``true``: reserved ``h/`` agents only. ``false``: org agents only.
+
         page : typing.Optional[int]
             Page number (1-based)
 
@@ -480,7 +494,13 @@ async def main() -> None:
         asyncio.run(main())
         """
         _response = await self._raw_client.list_agents(
-            agent_name=agent_name, search=search, page=page, size=size, sort=sort, request_options=request_options
+            agent_name=agent_name,
+            search=search,
+            reserved=reserved,
+            page=page,
+            size=size,
+            sort=sort,
+            request_options=request_options,
         )
         return _response.data
 
diff --git a/src/hai_agents/agents/raw_client.py b/src/hai_agents/agents/raw_client.py
index 52910f5..5ed9ac6 100644
--- a/src/hai_agents/agents/raw_client.py
+++ b/src/hai_agents/agents/raw_client.py
@@ -40,6 +40,7 @@ def list_agents(
         *,
         agent_name: typing.Optional[str] = None,
         search: typing.Optional[str] = None,
+        reserved: typing.Optional[bool] = None,
         page: typing.Optional[int] = None,
         size: typing.Optional[int] = None,
         sort: typing.Optional[typing.Sequence[ListAgentsRequestSortItem]] = None,
@@ -56,6 +57,9 @@ def list_agents(
         search : typing.Optional[str]
             Case-insensitive match on agent name or description.
 
+        reserved : typing.Optional[bool]
+            ``true``: reserved ``h/`` agents only. ``false``: org agents only.
+
         page : typing.Optional[int]
             Page number (1-based)
 
@@ -79,6 +83,7 @@ def list_agents(
             params={
                 "agent_name": agent_name,
                 "search": search,
+                "reserved": reserved,
                 "page": page,
                 "size": size,
                 "sort": sort,
@@ -584,6 +589,7 @@ async def list_agents(
         *,
         agent_name: typing.Optional[str] = None,
         search: typing.Optional[str] = None,
+        reserved: typing.Optional[bool] = None,
         page: typing.Optional[int] = None,
         size: typing.Optional[int] = None,
         sort: typing.Optional[typing.Sequence[ListAgentsRequestSortItem]] = None,
@@ -600,6 +606,9 @@ async def list_agents(
         search : typing.Optional[str]
             Case-insensitive match on agent name or description.
 
+        reserved : typing.Optional[bool]
+            ``true``: reserved ``h/`` agents only. ``false``: org agents only.
+
         page : typing.Optional[int]
             Page number (1-based)
 
@@ -623,6 +632,7 @@ async def list_agents(
             params={
                 "agent_name": agent_name,
                 "search": search,
+                "reserved": reserved,
                 "page": page,
                 "size": size,
                 "sort": sort,
diff --git a/src/hai_agents/core/client_wrapper.py b/src/hai_agents/core/client_wrapper.py
index ce5a9bd..f96334c 100644
--- a/src/hai_agents/core/client_wrapper.py
+++ b/src/hai_agents/core/client_wrapper.py
@@ -29,9 +29,9 @@ def get_headers(self) -> typing.Dict[str, str]:
         import platform
 
         headers: typing.Dict[str, str] = {
-            "User-Agent": "hai_agents/1.2.0",
+            "User-Agent": "hai_agents/1.2.1",
             "X-HCompany-Client-Name": "hai_agents",
-            "X-HCompany-Client-Version": "1.2.0",
+            "X-HCompany-Client-Version": "1.2.1",
             "X-HCompany-Client-Type": "sdk",
             "X-HCompany-Language": "Python",
             "X-HCompany-Runtime": f"python/{platform.python_version()}",
diff --git a/uv.lock b/uv.lock
index 6dd2e6d..dc2cd58 100644
--- a/uv.lock
+++ b/uv.lock
@@ -541,7 +541,7 @@ wheels = [
 
 [[package]]
 name = "hai-agents"
-version = "1.2.0"
+version = "1.2.1"
 source = { editable = "." }
 dependencies = [
     { name = "httpx" },