diff --git a/cli.py b/cli.py
new file mode 100755
index 0000000..8841b5b
--- /dev/null
+++ b/cli.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+import uuid
+import sys
+
+import click
+
+from jobcoin import jobcoin
+
+
+@click.command()
+def main(args=None):
+    print('Welcome to the Jobcoin mixer!\n')
+    while True:
+        addresses = click.prompt(
+            'Please enter a comma-separated list of new, unused Jobcoin '
+            'addresses where your mixed Jobcoins will be sent.',
+            prompt_suffix='\n[blank to quit] > ',
+            default='',
+            show_default=False)
+        if addresses.strip() == '':
+            sys.exit(0)
+        deposit_address = uuid.uuid4().hex
+        click.echo(
+            '\nYou may now send Jobcoins to address {deposit_address}. They '
+            'will be mixed and sent to your destination addresses.\n'
+              .format(deposit_address=deposit_address))
+
+
+if __name__ == '__main__':
+    sys.exit(main())
diff --git a/jobcoin/README.md b/jobcoin/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/jobcoin/__init__.py b/jobcoin/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/jobcoin/config.py b/jobcoin/config.py
new file mode 100755
index 0000000..869b1c9
--- /dev/null
+++ b/jobcoin/config.py
@@ -0,0 +1,4 @@
+# Replace the URL below
+API_BASE_URL = 'http://jobcoin.gemini.com/undaunted-gossip/api'
+API_ADDRESS_URL = '{}/addresses'.format(API_BASE_URL)
+API_TRANSACTIONS_URL = '{}/transactions'.format(API_BASE_URL)
\ No newline at end of file
diff --git a/jobcoin/jobcoin.py b/jobcoin/jobcoin.py
new file mode 100755
index 0000000..7f09d09
--- /dev/null
+++ b/jobcoin/jobcoin.py
@@ -0,0 +1,3 @@
+from . import config
+
+# Write your Jobcoin API client here.
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..dd40714
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+click==7.0
+pytest==6.2.2
+requests==2.20.0
diff --git a/test_jobcoin.py b/test_jobcoin.py
new file mode 100755
index 0000000..1fd1c25
--- /dev/null
+++ b/test_jobcoin.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+import pytest
+import re
+from click.testing import CliRunner
+
+
+from jobcoin import config
+import cli
+
+
+@pytest.fixture
+def response():
+    import requests
+    return requests.get('https://jobcoin.gemini.com/')
+
+
+def test_content(response):
+    assert 'Hello!' in response.text
+
+
+def test_cli_basic():
+    runner = CliRunner()
+    result = runner.invoke(cli.main)
+    assert result.exit_code == 0
+    assert 'Welcome to the Jobcoin mixer' in result.output
+
+
+def test_cli_creates_address():
+    runner = CliRunner()
+    address_create_output = runner.invoke(cli.main, input='1234,4321').output
+    output_re = re.compile(
+        r'You may now send Jobcoins to address [0-9a-zA-Z]{32}. '
+        'They will be mixed and sent to your destination addresses.'
+    )
+    assert output_re.search(address_create_output) is not None