diff --git a/.gitignore b/.gitignore
index 861c40e..36a781e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -294,3 +294,5 @@ dmypy.json
 *.code-workspace
 
 # End of https://www.toptal.com/developers/gitignore/api/vscode,python
+
+repos/
diff --git a/joint_teapot/__init__.py b/joint_teapot/__init__.py
index 8c741e1..179d693 100644
--- a/joint_teapot/__init__.py
+++ b/joint_teapot/__init__.py
@@ -1,4 +1,6 @@
+from joint_teapot.__main__ import run
 from joint_teapot.teapot import Teapot as Teapot
-from joint_teapot.workers import Canvas as Canvas
-from joint_teapot.workers import Git as Git
-from joint_teapot.workers import Gitea as Gitea
+
+
+def main() -> None:
+    run()
diff --git a/joint_teapot/__main__.py b/joint_teapot/__main__.py
index 6c8e6b9..b9159db 100644
--- a/joint_teapot/__main__.py
+++ b/joint_teapot/__main__.py
@@ -1 +1,51 @@
-__version__ = "0.0.0"
+__version__ = "0.0.0"
+
+from datetime import datetime
+from typing import List
+
+import typer
+
+from joint_teapot.teapot import Teapot
+
+app = typer.Typer(add_completion=False)
+teapot = Teapot()
+
+
+@app.command("create-personal")
+def create_personal_repos_for_all_canvas_students() -> None:
+    teapot.create_personal_repos_for_all_canvas_students()
+
+
+@app.command("create-teams")
+def create_teams_and_repos_by_canvas_groups() -> None:
+    teapot.create_teams_and_repos_by_canvas_groups()
+
+
+@app.command("get-public-keys")
+def get_public_key_of_all_canvas_students() -> None:
+    typer.echo(teapot.get_public_key_of_all_canvas_students())
+
+
+@app.command("archieve")
+def archieve_all_repos() -> None:
+    teapot.archieve_all_repos()
+
+
+@app.command("create-issues")
+def create_issue_for_repos(repo_names: List[str], title: str, body: str) -> None:
+    teapot.create_issue_for_repos(repo_names, title, body)
+
+
+@app.command("get-release")
+def checkout_to_repos_by_release_name(
+    repo_names: List[str], release_name: str, due: datetime = datetime(3000, 1, 1)
+) -> None:
+    teapot.checkout_to_repos_by_release_name(repo_names, release_name, due)
+
+
+def run() -> None:
+    app()
+
+
+if __name__ == "__main__":
+    run()
diff --git a/joint_teapot/config.py b/joint_teapot/config.py
index ccab502..3968126 100644
--- a/joint_teapot/config.py
+++ b/joint_teapot/config.py
@@ -17,7 +17,7 @@ class Settings(BaseSettings):
     org_name: str = ""
 
     # git
-    repos_dir: str = ""
+    repos_dir: str = "./repos"
 
     class Config:
         env_file = ".env"
diff --git a/joint_teapot/teapot.py b/joint_teapot/teapot.py
index b3b1c2d..807708c 100644
--- a/joint_teapot/teapot.py
+++ b/joint_teapot/teapot.py
@@ -1,8 +1,8 @@
 from datetime import datetime
 from typing import Any, Dict, List
 
-from joint_teapot import Canvas, Git, Gitea
 from joint_teapot.utils import first
+from joint_teapot.workers import Canvas, Git, Gitea
 
 
 class Teapot:
diff --git a/requirements.txt b/requirements.txt
index 6f89ed8..d7dcf00 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 canvasapi>=2.2.0
 focs_gitea>=1.0.0
 pydantic[dotenv]>=1.8.1
+typer[all]>=0.3.2
diff --git a/setup.py b/setup.py
index 5dab258..7f726be 100644
--- a/setup.py
+++ b/setup.py
@@ -42,5 +42,6 @@ setup(
     maintainer_email="bomingzh@sjtu.edu.cn",
     packages=find_packages(),
     python_requires=">=3.6",
+    entry_points={"console_scripts": ["joint-teapot=joint_teapot:main"]},
     install_requires=get_install_requires(),
 )