diff --git a/tests/integration/test_cli.py b/tests/integration/test_cli.py
new file mode 100644
index 0000000..7fe6ee7
--- /dev/null
+++ b/tests/integration/test_cli.py
@@ -0,0 +1,59 @@
+"""Integration tests for CLI."""
+
+import os
+import pytest
+from click.testing import CliRunner
+
+from mockapi.cli.main import cli
+
+
+class TestCLIIntegration:
+    """Integration tests for CLI commands."""
+
+    @pytest.fixture
+    def runner(self):
+        """Create CLI runner."""
+        return CliRunner()
+
+    @pytest.fixture
+    def sample_spec_path(self):
+        """Path to sample spec file."""
+        return "examples/petstore.yaml"
+
+    def test_validate_command(self, runner, sample_spec_path):
+        """Test validate command."""
+        result = runner.invoke(cli, ["validate", sample_spec_path])
+        assert result.exit_code == 0
+        assert "valid" in result.output.lower() or "paths" in result.output.lower()
+
+    def test_validate_nonexistent_file(self, runner):
+        """Test validate command with non-existent file."""
+        result = runner.invoke(cli, ["validate", "nonexistent.yaml"])
+        assert result.exit_code != 0
+
+    def test_generate_command(self, runner, sample_spec_path):
+        """Test generate command."""
+        result = runner.invoke(cli, ["generate", sample_spec_path])
+        assert result.exit_code == 0
+        assert "users" in result.output.lower() or "endpoints" in result.output.lower()
+
+    def test_show_config_command(self, runner):
+        """Test show-config command."""
+        result = runner.invoke(cli, ["show-config"])
+        assert result.exit_code == 0
+        assert "port" in result.output.lower()
+        assert "host" in result.output.lower()
+
+    def test_cli_version(self, runner):
+        """Test CLI version flag."""
+        result = runner.invoke(cli, ["--version"])
+        assert result.exit_code == 0
+        assert "mockapi" in result.output.lower() or "0.1" in result.output
+
+    def test_cli_help(self, runner):
+        """Test CLI help."""
+        result = runner.invoke(cli, ["--help"])
+        assert result.exit_code == 0
+        assert "validate" in result.output.lower()
+        assert "start" in result.output.lower()
+        assert "generate" in result.output.lower()