diff --git a/workflows/auto_command/action/new_document/_setting_.json b/workflows/auto_command/action/new_document/_setting_.json
new file mode 100644
index 0000000..444af33
--- /dev/null
+++ b/workflows/auto_command/action/new_document/_setting_.json
@@ -0,0 +1,28 @@
+{
+	"name": "new_file",
+	"description": "create new file or replace file with specified content",
+	"type": [
+		"*"
+	],
+	"args": [
+		{
+			"name": "fileName",
+			"description": "target file name to create",
+			"type": "string",
+			"from": "content.fileName"
+		},
+		{
+			"name": "content",
+			"description": "content to write to file",
+			"type": "string",
+			"as": "file",
+			"from": "content.content"
+		}
+	],
+	"action": "new_file",
+	"handler": [
+		"cp",
+		"${content}",
+		"${fileName}"
+	]
+}
\ No newline at end of file
diff --git a/workflows/auto_command/action/run_shell/_setting_.json b/workflows/auto_command/action/run_shell/_setting_.json
new file mode 100644
index 0000000..8b04315
--- /dev/null
+++ b/workflows/auto_command/action/run_shell/_setting_.json
@@ -0,0 +1,19 @@
+{
+	"name": "run_shell",
+	"description": "run shell script",
+	"type": [
+		"shell-singleline"
+	],
+	"args": [
+		{
+			"name": "script",
+			"description": "shell command to run, for example: [\"ls\", \"/tmp\"]",
+			"type": "string",
+			"from": "content.content"
+		}
+	],
+	"action": "run_shell",
+	"handler": [
+		"${script}"
+	]
+}
\ No newline at end of file
diff --git a/workflows/auto_command/action/run_shell_file/_setting_.json b/workflows/auto_command/action/run_shell_file/_setting_.json
new file mode 100644
index 0000000..4ce7170
--- /dev/null
+++ b/workflows/auto_command/action/run_shell_file/_setting_.json
@@ -0,0 +1,21 @@
+{
+	"name": "run_shell",
+	"description": "run shell script",
+	"type": [
+		"shell"
+	],
+	"args": [
+		{
+			"name": "script",
+			"description": "shell script file to run",
+			"type": "string",
+			"as": "file",
+			"from": "content.content"
+		}
+	],
+	"action": "run_shell",
+	"handler": [
+		"bash",
+		"${script}"
+	]
+}
\ No newline at end of file
diff --git a/workflows/auto_command/action/update_file/_setting_.json b/workflows/auto_command/action/update_file/_setting_.json
new file mode 100644
index 0000000..03781a3
--- /dev/null
+++ b/workflows/auto_command/action/update_file/_setting_.json
@@ -0,0 +1,23 @@
+{
+	"name": "update_file",
+	"description": "replace selections of file with specified content",
+	"type": ["update"],
+	"args": [{
+			"name": "fileName",
+			"description": "target file name to update",
+			"type": "string",
+			"from": "content.fileName"
+		}, {
+			"name": "old_content",
+			"description": "old content to replaced",
+			"type": "string",
+			"from": "content.content.old"
+		}, {
+			"name": "content",
+			"description": "content to write to file",
+			"type": "string",
+			"from": "content.content.new"
+		}],
+	"action": "update_file",
+	"handler": ["python", "${CurDir}/handler.py", "${fileName}", "${old_content}", "${content}"]
+}
\ No newline at end of file
diff --git a/workflows/auto_command/action/update_file/handler.py b/workflows/auto_command/action/update_file/handler.py
new file mode 100644
index 0000000..64592fd
--- /dev/null
+++ b/workflows/auto_command/action/update_file/handler.py
@@ -0,0 +1,40 @@
+import sys
+
+def replace_text_in_file(fileName: str, old_content: str, newContent: str) -> None:
+    """
+    Replace text in a file within the specified range with new content.
+
+    :param fileName: The name of the file to modify.
+    :param startPos: The starting position of the range to replace.
+    :param endPos: The ending position of the range to replace.
+    :param newContent: The new content to replace the specified range with.
+    """
+    with open(fileName, 'r') as file:
+        content = file.read()
+
+	# how many times old_content occurs in content
+    count = content.count(old_content)
+    # if count is not 1, then we can't replace the text
+    if count != 1:
+		# output error message to stderr and exit
+        print(f"Error: {old_content} occurs {count} times in {fileName}.", file=sys.stderr)
+        exit(-1)
+	
+	# replace old_content with new_content
+    modified_content = content.replace(old_content, new_content)
+
+    with open(fileName, 'w') as file:
+        file.write(modified_content)
+
+
+if __name__ == "__main__":
+	try:
+		file_name = sys.argv[1]
+		old_content = sys.argv[2]
+		new_content = sys.argv[3]
+
+		replace_text_in_file(file_name, old_content, new_content)
+	except Exception as e:
+		print(e, file=sys.stderr)
+		exit(-1)
+exit(0)
\ No newline at end of file
diff --git a/workflows/default/command/action/_setting_.json b/workflows/default/command/action/_setting_.json
new file mode 100644
index 0000000..2ab6005
--- /dev/null
+++ b/workflows/default/command/action/_setting_.json
@@ -0,0 +1,7 @@
+{
+	"pattern": "auto",
+	"description": "Generate commands for the bot to execute",
+	"message": "",
+	"default": false,
+	"instructions": ["./chat/action.instr"]
+}
\ No newline at end of file