diff --git a/src/plyngent/agent/types.py b/src/plyngent/agent/types.py
new file mode 100644
index 0000000..d589f9f
--- /dev/null
+++ b/src/plyngent/agent/types.py
@@ -0,0 +1,10 @@
+"""Agent-level type aliases for LLM client dispatch."""
+
+from __future__ import annotations
+
+from plyngent.lmproto.anthropic.client import AnthropicClient
+from plyngent.lmproto.deepseek.openai_compat.client import DeepseekOpenAIClient
+from plyngent.lmproto.openai.client import OpenAIClient
+from plyngent.lmproto.openai_compatible.client import OpenAICompatibleClient
+
+type AnyLLMClient = OpenAICompatibleClient | DeepseekOpenAIClient | OpenAIClient | AnthropicClient
diff --git a/src/plyngent/lmproto/deepseek/openai_compat/client.py b/src/plyngent/lmproto/deepseek/openai_compat/client.py
index a195a51..dce1692 100644
--- a/src/plyngent/lmproto/deepseek/openai_compat/client.py
+++ b/src/plyngent/lmproto/deepseek/openai_compat/client.py
@@ -30,6 +30,8 @@ def _inject_thinking(data: bytes) -> bytes:
 
 
 class DeepseekOpenAIClient(BaseOpenAIClient):
+    kind: str = "chat_completions"
+
     def __init__(self, config: OpenAIConfig) -> None:
         super().__init__(config)
 
diff --git a/src/plyngent/lmproto/openai/client.py b/src/plyngent/lmproto/openai/client.py
index 9b80296..40608a2 100644
--- a/src/plyngent/lmproto/openai/client.py
+++ b/src/plyngent/lmproto/openai/client.py
@@ -23,6 +23,8 @@ if TYPE_CHECKING:
 class OpenAIClient(BaseOpenAIClient):
     """Full OpenAI HTTP client (``/chat/completions`` + ``/responses`` + ``/models``)."""
 
+    kind: str = "responses"
+
     response_decoder: msgspec.json.Decoder[Response]
     response_deleted_decoder: msgspec.json.Decoder[ResponseDeleted]
     response_event_decoder: msgspec.json.Decoder[ResponseStreamEvent]
diff --git a/src/plyngent/lmproto/openai_compatible/client.py b/src/plyngent/lmproto/openai_compatible/client.py
index 257e175..328e31a 100644
--- a/src/plyngent/lmproto/openai_compatible/client.py
+++ b/src/plyngent/lmproto/openai_compatible/client.py
@@ -180,6 +180,8 @@ class BaseOpenAIClient:
 class OpenAICompatibleClient(BaseOpenAIClient):
     """Chat Completions only (``POST /chat/completions`` + ``GET /models``)."""
 
+    kind: str = "chat_completions"
+
     def __init__(self, config: OpenAIConfig) -> None:
         super().__init__(config)