feat: add mcp-servers/**

mcp-servers/wolfram-alpha/.env.example

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+# MCP Wolfram Alpha Server Configuration
+# ======================================
+
+# MCP Service
+MCP_WOLFRAM_ALPHA_VERSION=latest
+MCP_WOLFRAM_ALPHA_PORT_OVERRIDE=8000
+
+# Wolfram Alpha API Key (Required)
+# Get your API key from: https://products.wolframalpha.com/api/
+WOLFRAM_ALPHA_APPID=
+
+# Timezone
+TZ=UTC

mcp-servers/wolfram-alpha/README.md

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+# Wolfram Alpha MCP Server
+
+Wolfram Alpha MCP Server provides computational knowledge engine capabilities through the Model Context Protocol.
+
+## Features
+
+- 🔢 **Computational Queries** - Perform computational queries
+- 📊 **Data Analysis** - Analyze complex data
+- 🧮 **Mathematical Operations** - Mathematical computations
+- 🌍 **Knowledge Base** - Access Wolfram Alpha knowledge base
+
+## Environment Variables
+
+| Variable                          | Default  | Description                      |
+| --------------------------------- | -------- | -------------------------------- |
+| `MCP_WOLFRAM_ALPHA_VERSION`       | `latest` | MCP Wolfram Alpha image version  |
+| `MCP_WOLFRAM_ALPHA_PORT_OVERRIDE` | `8000`   | MCP service port                 |
+| `WOLFRAM_ALPHA_APPID`             | -        | Wolfram Alpha API key (required) |
+| `TZ`                              | `UTC`    | Timezone                         |
+
+## Getting Started
+
+1. Get your API key from [Wolfram Alpha](https://products.wolframalpha.com/api/)
+2. Set the `WOLFRAM_ALPHA_APPID` in your `.env` file
+3. Run `docker compose up -d`

mcp-servers/wolfram-alpha/README.zh.md

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+# Wolfram Alpha MCP 服务器
+
+Wolfram Alpha MCP 服务器通过 Model Context Protocol 提供计算知识引擎功能。
+
+## 功能特性
+
+- 🔢 **计算查询** - 执行计算查询
+- 📊 **数据分析** - 分析复杂数据
+- 🧮 **数学操作** - 数学计算
+- 🌍 **知识库** - 访问 Wolfram Alpha 知识库
+
+## 环境变量
+
+| 变量                              | 默认值   | 说明                           |
+| --------------------------------- | -------- | ------------------------------ |
+| `MCP_WOLFRAM_ALPHA_VERSION`       | `latest` | MCP Wolfram Alpha 镜像版本     |
+| `MCP_WOLFRAM_ALPHA_PORT_OVERRIDE` | `8000`   | MCP 服务端口                   |
+| `WOLFRAM_ALPHA_APPID`             | -        | Wolfram Alpha API 密钥（必需） |
+| `TZ`                              | `UTC`    | 时区                           |
+
+## 快速开始
+
+1. 从 [Wolfram Alpha](https://products.wolframalpha.com/api/) 获取 API 密钥
+2. 在 `.env` 文件中设置 `WOLFRAM_ALPHA_APPID`
+3. 运行 `docker compose up -d`

mcp-servers/wolfram-alpha/docker-compose.yaml

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+x-default: &default
+  restart: unless-stopped
+  logging:
+    driver: json-file
+    options:
+      max-size: 100m
+      max-file: "3"
+
+services:
+  mcp-wolfram-alpha:
+    <<: *default
+    image: mcp/wolfram-alpha:${MCP_WOLFRAM_ALPHA_VERSION:-latest}
+    environment:
+      - WOLFRAM_ALPHA_APPID=${WOLFRAM_ALPHA_APPID}
+      - MCP_HOST=0.0.0.0
+      - TZ=${TZ:-UTC}
+    ports:
+      - "${MCP_WOLFRAM_ALPHA_PORT_OVERRIDE:-8000}:8000"
+    healthcheck:
+      test: ["CMD", "wget", "--spider", "-q", "http://localhost:8000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+    deploy:
+      resources:
+        limits:
+          cpus: '1.00'
+          memory: 512M
+        reservations:
+          cpus: '0.25'
+          memory: 128M