diff --git a/shellhist/cli/__init__.py b/shellhist/cli/__init__.py
new file mode 100644
index 0000000..068f5fb
--- /dev/null
+++ b/shellhist/cli/__init__.py
@@ -0,0 +1,46 @@
+"""Main CLI module for shell history automation tool."""
+
+import click
+from rich.console import Console
+
+from shellhist import __version__
+from shellhist.cli.alias import suggest_aliases_command
+from shellhist.cli.export import export_script_command
+from shellhist.cli.patterns import patterns_command
+from shellhist.cli.search import search_command
+from shellhist.cli.time_analysis import analyze_time_command
+
+
+console = Console()
+
+
+@click.group()
+@click.version_option(version=__version__, prog_name="shellhist")
+@click.option(
+    "--verbose/--quiet",
+    "-v/-q",
+    default=False,
+    help="Enable verbose output",
+)
+@click.pass_context
+def main(ctx: click.Context, verbose: bool) -> None:
+    """Shell History Automation Tool - Analyze shell command history to find patterns and suggest automation.
+    
+    Commands:
+    
+        \b
+        search           Search history with fuzzy matching
+        patterns         Detect repetitive command patterns
+        suggest-aliases  Generate alias suggestions for patterns
+        analyze-time     Analyze time-based command patterns
+        export-script    Export patterns to executable scripts
+    """
+    ctx.ensure_object(dict)
+    ctx.obj["verbose"] = verbose
+
+
+main.add_command(search_command, "search")
+main.add_command(patterns_command, "patterns")
+main.add_command(suggest_aliases_command, "suggest-aliases")
+main.add_command(analyze_time_command, "analyze-time")
+main.add_command(export_script_command, "export-script")