diff --git a/mateclaw-server/src/main/java/vip/mate/agent/AgentGraphBuilder.java b/mateclaw-server/src/main/java/vip/mate/agent/AgentGraphBuilder.java
index 8a8291fc..058adb7c 100644
--- a/mateclaw-server/src/main/java/vip/mate/agent/AgentGraphBuilder.java
+++ b/mateclaw-server/src/main/java/vip/mate/agent/AgentGraphBuilder.java
@@ -526,6 +526,9 @@ public class AgentGraphBuilder {
         return protocol == ModelProtocol.DASHSCOPE_NATIVE
                 || protocol == ModelProtocol.OPENAI_COMPATIBLE
                 || protocol == ModelProtocol.ANTHROPIC_MESSAGES
+                // RFC-062: Claude Code OAuth tunnels through the same Messages API
+                // wrapped in AnthropicChatModel — same StateGraph capability surface.
+                || protocol == ModelProtocol.ANTHROPIC_CLAUDE_CODE
                 || protocol == ModelProtocol.OPENAI_CHATGPT;
     }