Add Smithery CLI installation instructions

Author: calclavia

README.md

@@ -1,5 +1,6 @@
 # kagi-server MCP Server
 
+[![smithery badge](https://smithery.ai/badge/kagi-server)](https://smithery.ai/protocol/kagi-server)
 MCP server for Kagi API integration
 
 This is a TypeScript-based MCP server that integrates the Kagi Search API. It demonstrates core MCP concepts by providing:
@@ -47,6 +48,14 @@ Make sure to add `.env` to your `.gitignore` file to keep your API key secure.
 
 ## Installation
 
+### Installing via Smithery
+
+To install Kagi Server for Claude Desktop automatically via [Smithery](https://smithery.ai/protocol/kagi-server):
+
+```bash
+npx @smithery/cli install kagi-server --client claude
+```
+
 To use with Claude Desktop, add the server config:
 
 On MacOS: `~/Library/Application Support/Claude/claude_desktop_config.json`