Dictionary Lookup MCP Server
词典查询 MCP 服务器
一个基于官方 Python SDK 构建的极简 模型上下文协议 服务器。它暴露了一个工具 define,用于通过免费的 dictionaryapi.dev API 查询英文单词的定义。
本项目是作为学习练习而构建的,旨在理解 MCP 服务器是如何构建的、如何与客户端通信,以及如何公开部署。
功能
暴露一个工具:
define(word: str) -> str给定一个单词,返回其词性和定义
无需 API 密钥或身份验证
Related MCP server: Hello World MCP FastAPI Endpoint
环境要求
Python 3.10+
uv(推荐)或 pip
本地设置
# 1. Clone this repo
git clone <your-repo-url>
cd my-mcp-server
# 2. Install dependencies
uv sync本地运行
选项 A — MCP Inspector(可视化测试工具,最适合初学者):
uv run mcp dev server.py这会打开一个基于浏览器的检查器,您可以直接调用 define 工具并查看请求/响应,而无需完整的 AI 客户端。
选项 B — 连接到 Claude Desktop:
将以下内容添加到您的 Claude Desktop 配置文件(claude_desktop_config.json)中:
{
"mcpServers": {
"dictionary-lookup": {
"command": "uv",
"args": [
"--directory",
"/absolute/path/to/my-mcp-server",
"run",
"server.py"
]
}
}
}重启 Claude Desktop,然后询问类似这样的问题: "使用词典工具查询 'ephemeral' 的定义。"
使用示例
输入: define("ephemeral")
输出: ephemeral (形容词):持续很短的时间。
部署
此服务器已发布在 Smithery 上:<部署后添加链接>
要部署您自己的副本:
将此仓库推送到 GitHub。
确保
server.py支持streamable-http传输以进行远程托管。托管它(例如 Render/Railway),或使用 Smithery 的发布流程。
在 Smithery 上,选择"通过 URL 发布",并将其指向您托管的服务器端点。
为什么做这个项目
为了学习 MCP 的基础知识:客户端如何发现服务器的工具、工具调用如何被发起和响应,以及一个可用的服务器如何通过像 Smithery 这样的市场公开分享。
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