diff --git a/src/cli.py b/src/cli.py
new file mode 100644
index 0000000..e517869
--- /dev/null
+++ b/src/cli.py
@@ -0,0 +1,75 @@
+import click
+from .core.parser import parse_openapi_spec
+from .core.generator import generate_docs
+from .core.models import APISpec, Endpoint, RequestExample, ResponseExample
+from .utils.search import search_endpoints
+
+
+@click.group()
+def main():
+    """LocalAPI Docs - Generate local API documentation from OpenAPI specs."""
+    pass
+
+
+@main.command()
+@click.argument('spec_file', type=click.Path(exists=True))
+@click.option('--host', '-h', default='127.0.0.1', help='Host to bind to')
+@click.option('--port', '-p', default=8080, help='Port to serve on')
+@click.option('--no-browser', is_flag=True, help='Don\'t open browser automatically')
+def serve(spec_file, host, port, no_browser):
+    """Start an interactive HTML documentation server."""
+    from .templates.html_template import generate_html_server
+    generate_html_server(spec_file, host, port, not no_browser)
+
+
+@main.command()
+@click.argument('spec_file', type=click.Path(exists=True))
+@click.option('--output', '-o', help='Output file or directory')
+@click.option('--format', '-f', type=click.Choice(['html', 'markdown', 'json', 'all']), default='html', help='Output format')
+@click.option('--open', is_flag=True, help='Open the generated file in browser')
+def generate(spec_file, output, format, open):
+    """Generate static documentation in various formats."""
+    generate_docs(spec_file, output, format, open)
+
+
+@main.command()
+@click.argument('spec_file', type=click.Path(exists=True))
+@click.option('--json', is_flag=True, help='Output as JSON')
+def validate(spec_file, json_output):
+    """Validate an OpenAPI specification file."""
+    result = parse_openapi_spec(spec_file)
+    if result.get('valid'):
+        click.echo("✓ OpenAPI spec is valid")
+        if json_output:
+            import json
+            click.echo(json.dumps(result, indent=2))
+    else:
+        click.echo("✗ OpenAPI spec is invalid")
+        if json_output:
+            import json
+            click.echo(json.dumps(result, indent=2))
+        else:
+            for error in result.get('errors', []):
+                click.echo(f"  - {error}")
+
+
+@main.command()
+@click.argument('spec_file', type=click.Path(exists=True))
+@click.argument('query', nargs=-1)
+@click.option('--limit', '-l', default=10, help='Maximum results')
+@click.option('--json', is_flag=True, help='Output as JSON')
+def search(spec_file, query, limit, json_output):
+    """Search for endpoints in an OpenAPI specification."""
+    search_term = ' '.join(query)
+    results = search_endpoints(spec_file, search_term, limit)
+    if json_output:
+        import json
+        click.echo(json.dumps(results, indent=2))
+    else:
+        if not results:
+            click.echo("No results found.")
+            return
+        for result in results:
+            click.echo(f"\n{result['method']} {result['path']}")
+            click.echo(f"  {result.get('summary', result.get('description', 'No description'))}")
+            click.echo(f"  Tags: {', '.join(result.get('tags', []))}")