Multi-source web search MCP server with automatic failover
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# Web Search MCP Server 多源网页搜索 MCP 服务器,支持自动故障转移。专为国内用户优化,无需 VPN 即可使用。 ## 特性 - **VPN 自动检测**: 自动检测网络环境,开启 VPN 用国际源,未开启用国内源 - **多搜索源支持**: 国内源(必应中国、百度、搜狗、360)+ 国际源(DuckDuckGo、Google News、Wikipedia) - **自动故障转移**: 如果一个源失败,自动尝试下一个 - **语言检测**: 自动为中日韩文查询调整搜索参数 - **灵活输出**: 文本(人类可读)或 JSON(结构化)格式 - **网页抓取**: 从 URL 提取可读内容 - **无需 API Key**: 所有搜索源均为免费 ## 安装 ```bash # 从源码安装 pip install -e . # 或使用 uv uv pip install -e . ``` ## 搜索源 | 源 | 描述 | 国内可用 | |-----|------|---------| | `bing_china` | 必应中国 (cn.bing.com) | ✅ | | `baidu` | 百度搜索 | ✅ | | `sogou` | 搜狗搜索 | ✅ | | `so360` | 360搜索 (so.com) | ✅ | | `ddg_lite` | DuckDuckGo Lite | ❌ 需VPN | | `google_news_rss` | Google News RSS | ❌ 需VPN | | `wikipedia` | Wikipedia OpenSearch | ❌ 需VPN | ### 默认优先级 **自动检测 VPN 状态:** - **VPN 开启**: DuckDuckGo → Google News → Wikipedia → 必应中国 → 百度 → 搜狗 → 360 - **VPN 关闭**: 必应中国 → 百度 → 搜狗 → 360 首次搜索时会自动检测网络环境(尝试访问 Google),结果会缓存避免重复检测。 ## 使用 ### 运行服务器 ```bash # 直接执行 mcpcn-web-search-mcp # 或通过 Python python -m web_search_mcp.server ``` ### Claude Desktop 配置 添加到 `claude_desktop_config.json`: ```json { "mcpServers": { "web-search": { "command": "mcpcn-web-search-mcp" } } } ``` 或使用 `uv`: ```json { "mcpServers": { "web-search": { "command": "uv", "args": [ "--directory", "/path/to/web-search-mcp", "run", "mcpcn-web-search-mcp" ] } } } ``` ## 工具 ### web_search 使用多个搜索源搜索互联网,支持自动故障转移。 **参数:** | 名称 | 类型 | 默认值 | 描述 | |------|------|--------|------| | `query` | string | 必填 | 搜索查询词 | | `max_results` | int | 10 | 最大结果数 (1-20) | | `format` | string | "text" | 输出格式: "text" 或 "json" | | `sources` | string | "" | 逗号分隔的源列表 | **示例:** ```python # 文本格式(默认) web_search(query="Python 教程", max_results=5) # JSON 格式 web_search(query="最新AI新闻", format="json") # 指定搜索源 web_search(query="机器学习", sources="baidu,bing_china") # 仅使用国际源 web_search(query="machine learning", sources="ddg_lite,wikipedia") ``` ### fetch_webpage 从 URL 获取并提取可读内容。 …
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