Update README

Author: smithery-ai[bot]

README.md

@@ -3,6 +3,8 @@
 [![NPM Version](https://img.shields.io/npm/v/@jinzcdev/leetcode-mcp-server.svg)](https://www.npmjs.com/package/@jinzcdev/leetcode-mcp-server)
 [![GitHub License](https://img.shields.io/github/license/jinzcdev/leetcode-mcp-server.svg)](https://img.shields.io/github/license/jinzcdev/leetcode-mcp-server.svg)
 [![Stars](https://img.shields.io/github/stars/jinzcdev/leetcode-mcp-server)](https://github.com/jinzcdev/leetcode-mcp-server)
+[![smithery badge](https://smithery.ai/badge/@jinzcdev/leetcode-mcp-server)](https://smithery.ai/server/@jinzcdev/leetcode-mcp-server)
+
 
 The LeetCode MCP Server is a [Model Context Protocol (MCP)](https://modelcontextprotocol.io/introduction) server that provides seamless integration with LeetCode APIs, enabling advanced automation and intelligent interaction with LeetCode's programming problems, contests, solutions, and user data.
 
@@ -21,6 +23,15 @@ The LeetCode MCP Server is a [Model Context Protocol (MCP)](https://modelcontext
 
 ## Installation
 
+### Installing via Smithery
+
+To install leetcode-mcp-server for Claude Desktop automatically via [Smithery](https://smithery.ai/server/@jinzcdev/leetcode-mcp-server):
+
+```bash
+npx -y @smithery/cli install @jinzcdev/leetcode-mcp-server --client claude
+```
+
+### Manual Installation
 ```bash
 # Install from npm
 npm install @jinzcdev/leetcode-mcp-server -g