feat: add mcp-servers/**

mcp-servers/fetch/.env.example

@@ -0,0 +1,9 @@
+# MCP Fetch Server Configuration
+# ============================
+
+# MCP Service
+MCP_FETCH_VERSION=latest
+MCP_FETCH_PORT_OVERRIDE=8000
+
+# Timezone
+TZ=UTC

mcp-servers/fetch/README.md

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+# Fetch MCP Server
+
+Fetch MCP Server provides URL fetching and content extraction capabilities through the Model Context Protocol.
+
+## Features
+
+- 🔗 **URL Fetching** - Fetch content from URLs
+- 📝 **Markdown Extraction** - Extract markdown from web pages
+- 📄 **HTML Processing** - Process HTML content
+- 🌐 **Internet Access** - Access internet resources
+
+## Environment Variables
+
+| Variable                  | Default  | Description             |
+| ------------------------- | -------- | ----------------------- |
+| `MCP_FETCH_VERSION`       | `latest` | MCP Fetch image version |
+| `MCP_FETCH_PORT_OVERRIDE` | `8000`   | MCP service port        |
+| `TZ`                      | `UTC`    | Timezone                |
+
+## Quick Start
+
+```bash
+docker compose up -d
+```

mcp-servers/fetch/README.zh.md

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+# Fetch MCP 服务器
+
+Fetch MCP 服务器通过 Model Context Protocol 提供 URL 获取和内容提取功能。
+
+## 功能特性
+
+- 🔗 **URL 获取** - 从 URL 获取内容
+- 📝 **Markdown 提取** - 从网页提取 Markdown
+- 📄 **HTML 处理** - 处理 HTML 内容
+- 🌐 **互联网访问** - 访问互联网资源
+
+## 环境变量
+
+| 变量                      | 默认值   | 说明               |
+| ------------------------- | -------- | ------------------ |
+| `MCP_FETCH_VERSION`       | `latest` | MCP Fetch 镜像版本 |
+| `MCP_FETCH_PORT_OVERRIDE` | `8000`   | MCP 服务端口       |
+| `TZ`                      | `UTC`    | 时区               |
+
+## 快速开始
+
+```bash
+docker compose up -d
+```

mcp-servers/fetch/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-fetch:
+    <<: *default
+    image: mcp/fetch:${MCP_FETCH_VERSION:-latest}
+    environment:
+      - MCP_HOST=0.0.0.0
+      - TZ=${TZ:-UTC}
+    ports:
+      - "${MCP_FETCH_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