diff --git a/validator_manager/test_vectors/.gitignore b/validator_manager/test_vectors/.gitignore
new file mode 100644
index 0000000000..3fec32c842
--- /dev/null
+++ b/validator_manager/test_vectors/.gitignore
@@ -0,0 +1 @@
+tmp/
diff --git a/validator_manager/test_vectors/generate.py b/validator_manager/test_vectors/generate.py
new file mode 100644
index 0000000000..bb8090f1ae
--- /dev/null
+++ b/validator_manager/test_vectors/generate.py
@@ -0,0 +1,86 @@
+import os
+import sys
+import shutil
+import subprocess
+from subprocess import Popen, PIPE, STDOUT
+
+NUM_VALIDATORS=3
+TEST_MNEMONIC = "test test test test test test test test test test test waste"
+WALLET_NAME="test_wallet"
+
+tmp_dir = os.path.join(".", "tmp")
+mnemonic_path = os.path.join(tmp_dir, "mnemonic.txt")
+sdc_dir = os.path.join(tmp_dir, "sdc")
+sdc_git_dir = os.path.join(sdc_dir, "staking-deposit-cli")
+
+
+def setup():
+    if os.path.exists(tmp_dir):
+        cleanup()
+
+    os.mkdir(tmp_dir)
+    os.mkdir(sdc_dir)
+
+    setup_sdc()
+    with open(mnemonic_path, "x") as file:
+        file.write(TEST_MNEMONIC)
+
+
+def cleanup():
+    shutil.rmtree(tmp_dir)
+
+
+def setup_sdc():
+    result = subprocess.run([
+        "git",
+        "clone",
+        "--single-branch",
+        "https://github.com/ethereum/staking-deposit-cli.git",
+        str(sdc_git_dir)
+    ])
+    assert(result.returncode == 0)
+    result = subprocess.run([
+        "pip",
+        "install",
+        "-r",
+        "requirements.txt",
+    ], cwd=sdc_git_dir)
+    assert(result.returncode == 0)
+    result = subprocess.run([
+        "python",
+        "setup.py",
+        "install",
+    ], cwd=sdc_git_dir)
+    assert(result.returncode == 0)
+
+
+def sdc_generate(network, first_index, count):
+    process = Popen([
+        '/bin/sh',
+        'deposit.sh',
+        'existing-mnemonic',
+    ], stdout=PIPE, stdin=PIPE, stderr=STDOUT, cwd=sdc_git_dir, text=True)
+    process.stdin.write('3\n') # Select "3. English" as the mnemonic language.
+    process.stdin.write(TEST_MNEMONIC + '\n')
+    process.stdin.write(str(first_index) + '\n')
+    process.stdin.write(str(first_index) + '\n')
+    process.stdin.write(str(count) + '\n')
+    process.stdin.write(network + '\n')
+    process.stdin.write('junk_password\n')
+    process.stdin.write('junk_password\n')
+    process.wait()
+    # process.wait()
+    # Select "3. English" as the mnemonic language.
+    # p.communicate(input='3'.encode('utf-8'))
+    # Input the mnemonic.
+    # p.communicate(input=TEST_MNEMONIC.encode('utf-8'))
+
+
+
+def test(network):
+    setup()
+    sdc_generate(network, 0, 2)
+    # cleanup()
+
+
+test("mainnet")