From de49c2a5adf1997cbc49311e8752acd020396c34 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Thu, 24 Sep 2026 13:59:51 +0000
Subject: [PATCH] chore: sync deepagents signatures

Sync Deep Agents signature snippets from reference.langchain.com.
---
 src/snippets/create-deep-agent-config-options-js.mdx | 7 +++++--
 src/snippets/create-deep-agent-config-options-py.mdx | 7 ++++---
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/snippets/create-deep-agent-config-options-js.mdx b/src/snippets/create-deep-agent-config-options-js.mdx
index a33019f2ea..af6a029dc7 100644
--- a/src/snippets/create-deep-agent-config-options-js.mdx
+++ b/src/snippets/create-deep-agent-config-options-js.mdx
@@ -8,11 +8,14 @@ const agent = createDeepAgent({
   middleware?: TMiddleware,
   model?: string | BaseLanguageModel<any, BaseLanguageModelCallOptions>,
   name?: string,
+  permissions?: FilesystemPermission[],
   responseFormat?: TResponse,
-  skills?: string[],
+  skills?: TSkills,
+  stateSchema?: TStateSchema,
   store?: BaseStore,
+  streamTransformers?: TStreamTransformers,
   subagents?: TSubagents,
-  systemPrompt?: string | SystemMessage<MessageStructure<MessageToolSet>>,
+  systemPrompt?: string | SystemMessage<MessageStructure<MessageToolSet>> | SystemPromptConfig,
   tools?: TTools | StructuredTool<ToolInputSchemaBase, any, any, any, unknown>[]
 });
 ```
diff --git a/src/snippets/create-deep-agent-config-options-py.mdx b/src/snippets/create-deep-agent-config-options-py.mdx
index a943d71701..1a87fece2d 100644
--- a/src/snippets/create-deep-agent-config-options-py.mdx
+++ b/src/snippets/create-deep-agent-config-options-py.mdx
@@ -4,19 +4,20 @@ create_deep_agent(
     tools: Sequence[BaseTool | Callable | dict[str, Any]] | None = None,
     *,
     system_prompt: str | SystemMessage | None = None,
-    middleware: Sequence[AgentMiddleware] = (),
+    middleware: Sequence[AgentMiddleware[StateT_co, ContextT]] = (),
     subagents: Sequence[SubAgent | CompiledSubAgent | AsyncSubAgent] | None = None,
     skills: list[str] | None = None,
     memory: list[str] | None = None,
     permissions: list[FilesystemPermission] | None = None,
-    backend: BackendProtocol | BackendFactory | None = None,
+    backend: BackendProtocol | None = None,
     interrupt_on: dict[str, bool | InterruptOnConfig] | None = None,
     response_format: ResponseFormat[ResponseT] | type[ResponseT] | dict[str, Any] | None = None,
+    state_schema: type[DeepAgentState] | None = None,
     context_schema: type[ContextT] | None = None,
     checkpointer: Checkpointer | None = None,
     store: BaseStore | None = None,
     debug: bool = False,
     name: str | None = None,
     cache: BaseCache | None = None
-) -> CompiledStateGraph[AgentState[ResponseT], ContextT, _InputAgentState, _OutputAgentState[ResponseT]]
+) -> CompiledStateGraph[AgentState[ResponseT], ContextT, InputAgentState, OutputAgentState[ResponseT]]
 ```