diff --git a/backend/app/api/agent.py b/backend/app/api/agent.py
index e5ddb84f..a060c079 100644
--- a/backend/app/api/agent.py
+++ b/backend/app/api/agent.py
@@ -1644,7 +1644,9 @@ async def read_agent_file(
     summary="Update agent file",
     description=(
         "Write content to an agent markdown file and persist it for reprovisioning.\n\n"
-        "Use this when agent configuration files need updates."
+        "Use this when agent configuration files need updates. While this endpoint can "
+        "handle SOUL.md, prefer the dedicated SOUL endpoint for better semantic clarity "
+        "and specialized SOUL operations."
     ),
     operation_id="agent_lead_update_file",
     responses={
@@ -1669,11 +1671,11 @@ async def read_agent_file(
     openapi_extra={
         "x-llm-intent": "agent_file_authoring",
         "x-when-to-use": [
-            "Update agent configuration files like IDENTITY.md or BOOTSTRAP.md",
+            "Update agent configuration files like IDENTITY.md, BOOTSTRAP.md, or AGENTS.md",
             "Import existing agent files into mission control",
         ],
         "x-when-not-to-use": [
-            "Use dedicated SOUL endpoint for SOUL.md updates",
+            "Prefer dedicated SOUL endpoint for SOUL.md (though this endpoint can handle it)",
             "Use task comments for transient guidance",
         ],
         "x-required-actor": "board_lead",
diff --git a/backend/app/schemas/agent_files.py b/backend/app/schemas/agent_files.py
index 438b65f8..928e27e4 100644
--- a/backend/app/schemas/agent_files.py
+++ b/backend/app/schemas/agent_files.py
@@ -54,34 +54,6 @@ class AgentFileUpdate(SQLModel):
     )
 
 
-class AgentFileImport(SQLModel):
-    """Request model for importing an agent file."""
-
-    model_config = SQLModelConfig(
-        json_schema_extra={
-            "x-llm-intent": "agent_file_import",
-            "x-when-to-use": [
-                "Import existing agent markdown file into mission control",
-                "Upload IDENTITY.md, SOUL.md, or other agent files",
-            ],
-        },
-    )
-
-    name: str = Field(
-        description="File name (e.g., IDENTITY.md, SOUL.md, BOOTSTRAP.md)",
-        examples=["IDENTITY.md", "SOUL.md"],
-    )
-    content: str = Field(
-        description="File content to import",
-        examples=["# IDENTITY.md\n\n## Core\n- Name: Agent Name"],
-    )
-    reason: str | None = Field(
-        default=None,
-        description="Optional reason for the import",
-        examples=["Importing existing agent configuration"],
-    )
-
-
 class AgentFileListItem(SQLModel):
     """Agent file list item."""