nanobot/agent/tools/anthropic/memory.py

@@ -301,9 +301,70 @@ class MemoryTool20250818(BaseAnthropicTool):
             error=""
         )
 
-    async def _create(self, path: str | None, file_text: str | None) -> CLIResult:
-        """Placeholder for create command."""
-        return CLIResult(exit_code=1, output="", error="Not implemented yet")
+    async def _create(
+        self,
+        path: str | None,
+        file_text: str | None,
+    ) -> CLIResult:
+        """Create a new file with content.
+
+        Args:
+            path: File path to create
+            file_text: Content to write
+
+        Returns:
+            CLIResult with success message or error
+        """
+        if path is None:
+            return CLIResult(
+                exit_code=1,
+                output="",
+                error="Error: path is required for create command"
+            )
+
+        if file_text is None:
+            return CLIResult(
+                exit_code=1,
+                output="",
+                error="Error: file_text is required for create command"
+            )
+
+        path_str = path  # Keep original for error messages
+        validated_path = self._validate_memory_path(path)
+
+        # Check if file already exists
+        if validated_path.exists():
+            return CLIResult(
+                exit_code=1,
+                output="",
+                error=f"Error: File {path_str} already exists"
+            )
+
+        # Create parent directories if needed
+        try:
+            validated_path.parent.mkdir(parents=True, exist_ok=True)
+        except Exception as e:
+            return CLIResult(
+                exit_code=1,
+                output="",
+                error=f"Error creating parent directories: {e}"
+            )
+
+        # Write file
+        try:
+            validated_path.write_text(file_text)
+        except Exception as e:
+            return CLIResult(
+                exit_code=1,
+                output="",
+                error=f"Error writing file: {e}"
+            )
+
+        return CLIResult(
+            exit_code=0,
+            output=f"File created successfully at: {path_str}",
+            error=""
+        )
 
     async def _str_replace(
         self, path: str | None, old_str: str | None, new_str: str | None

tests/test_memory_tool.py

@@ -108,3 +108,74 @@ async def test_view_empty_directory(memory_tool):
 
     assert result.exit_code == 0
     assert "/memories" in result.output
+
+
+@pytest.mark.asyncio
+async def test_create_file(memory_tool, temp_workspace):
+    """Test creating a new file."""
+    result = await memory_tool(
+        command="create",
+        path="/memories/notes.txt",
+        file_text="My notes\nLine 2\n"
+    )
+
+    assert result.exit_code == 0
+    assert result.error == ""
+    assert "File created successfully at: /memories/notes.txt" in result.output
+
+    # Verify file was created
+    created_file = temp_workspace / "memories" / "notes.txt"
+    assert created_file.exists()
+    assert created_file.read_text() == "My notes\nLine 2\n"
+
+
+@pytest.mark.asyncio
+async def test_create_file_nested_directory(memory_tool, temp_workspace):
+    """Test creating a file in a nested directory (auto-creates parent dirs)."""
+    result = await memory_tool(
+        command="create",
+        path="/memories/project/status.xml",
+        file_text="<status>ok</status>"
+    )
+
+    assert result.exit_code == 0
+    assert "File created successfully at: /memories/project/status.xml" in result.output
+
+    # Verify file and parent directory were created
+    created_file = temp_workspace / "memories" / "project" / "status.xml"
+    assert created_file.exists()
+    assert created_file.read_text() == "<status>ok</status>"
+
+
+@pytest.mark.asyncio
+async def test_create_file_already_exists(memory_tool, temp_workspace):
+    """Test creating a file that already exists."""
+    # Create file first
+    existing = temp_workspace / "memories" / "existing.txt"
+    existing.write_text("existing content")
+
+    result = await memory_tool(
+        command="create",
+        path="/memories/existing.txt",
+        file_text="new content"
+    )
+
+    assert result.exit_code == 1
+    assert result.output == ""
+    assert "Error: File /memories/existing.txt already exists" in result.error
+
+    # Verify original content unchanged
+    assert existing.read_text() == "existing content"
+
+
+@pytest.mark.asyncio
+async def test_create_file_missing_text(memory_tool):
+    """Test creating a file without file_text parameter."""
+    result = await memory_tool(
+        command="create",
+        path="/memories/notes.txt"
+    )
+
+    assert result.exit_code == 1
+    assert result.output == ""
+    assert "Error: file_text is required for create command" in result.error