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搜索API

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基于A2A协议的多功能搜索API代理

SearchAPI MCP Agent with A2A 支持 | SearchAPI MCP Agent with A2A Support

一个基于 Agent-to-Agent (A2A) 协议的 SearchAPI 代理，通过 Model Context Protocol (MCP) 系统集成了多种搜索 API 工具。

An Agent-to-Agent (A2A) protocol based SearchAPI agent that integrates various search API tools through the Model Context Protocol (MCP) system.

更新说明 | Update Notes

2024 更新:

  • 修复了导入路径问题：从 samples.python.agents 导入修改为直接从当前目录导入
  • 修复了 a2a_common 导入问题：修改为从 common 模块导入
  • 移除了 a2a_common 依赖安装需求

2024 Updates:

  • Fixed import path issues: Changed from samples.python.agents imports to direct imports from the current directory
  • Fixed a2a_common import issues: Changed to import from the common module
  • Removed a2a_common dependency installation requirements

概述 | Overview

SearchAPI-MCP-Agent 实现了 A2A 协议和 Model Context Protocol，将各种搜索操作封装为工具和资源。它作为 AI 助手和搜索服务之间的桥梁，支持地图搜索、航班查询、酒店预订等多种功能。

SearchAPI-MCP-Agent implements the A2A protocol and Model Context Protocol, encapsulating various search operations as tools and resources. It serves as a bridge between AI assistants and search services, supporting map search, flight queries, hotel bookings, and more.

SearchAPI Agent 核心特性 | Core Features

  • 多MCP配置支持 - 作为MCP客户端，可以同时连接和配置多个MCP服务器，扩展可用的工具集 Multiple MCP Configuration - As an MCP client, can connect to and configure multiple MCP servers simultaneously, expanding the available toolset
  • 动态工具发现 - 自动发现和加载MCP服务器提供的工具列表，无需手动配置 Dynamic Tool Discovery - Automatically discovers and loads tool lists provided by MCP servers without manual configuration
  • 智能LLM路由 - 使用Gemini模型自动将自然语言查询路由到合适的工具并提取参数，确保调用成功 Intelligent LLM Routing - Uses Gemini model to automatically route natural language queries to appropriate tools and extract parameters, ensuring successful invocation
  • 实时状态反馈 - 通过A2A协议向Host Agent提供实时的工具执行状态更新和流式响应 Real-time Status Feedback - Provides real-time tool execution status updates and streaming responses to the Host Agent via A2A protocol
  • 错误处理和恢复 - 自动处理API调用错误，提供友好的错误信息和回退机制 Error Handling and Recovery - Automatically handles API call errors, providing friendly error messages and fallback mechanisms

Google 搜索 | Google Search

  • 网页搜索结果 | Web search results
  • 知识图谱集成 | Knowledge graph integration
  • 相关问题推荐 | Related questions
  • 搜索建议 | Search suggestions
  • 多语言支持 | Multi-language support
  • 地区特定结果 | Region-specific results
  • 时间范围过滤 | Time range filtering
  • 安全搜索选项 | Safe search options

Google Video 搜索 | Google Video Search

  • 视频内容搜索 | Video content search
  • 视频列表获取 | Video list retrieval
  • 视频轮播支持 | Video carousel support
  • 短视频内容 | Short video content
  • 按时长筛选 | Duration filtering
  • 按来源过滤 | Source filtering
  • 按上传时间排序 | Upload time sorting
  • 高清预览支持 | HD preview support

Google Maps 搜索 | Google Maps Search

  • 搜索地点和服务 | Search places and services
  • 获取地点详细信息 | Get place details
  • 查看用户评论 | View user reviews
  • 获取位置坐标 | Get location coordinates

Google Flights 航班搜索 | Google Flights Search

  • 单程/往返航班搜索 | One-way/round-trip flight search
  • 多城市行程规划 | Multi-city itinerary planning
  • 航班价格日历 | Flight price calendar
  • 航班筛选和排序 | Flight filtering and sorting
  • 行李额度查询 | Baggage allowance query
  • 航空公司选择 | Airline selection

Google Hotels 酒店搜索 | Google Hotels Search

  • 酒店位置搜索 | Hotel location search
  • 价格和可用性查询 | Price and availability query
  • 设施和服务筛选 | Facilities and services filtering
  • 用户评分和评论 | User ratings and reviews
  • 特殊优惠查询 | Special offers query
  • 房型选择 | Room type selection

安装说明 | Installation

环境要求 | Requirements

  • Python 3.9 或更高版本 | Python 3.9 or higher
  • pip 包管理器 | pip package manager
  • UV 包管理器（推荐）| UV package manager (recommended)

基础安装 | Basic Installation

# 克隆仓库 | Clone repository
git clone https://github.com/RmMargt/searchapi-mcp-agent.git
cd searchapi-mcp-agent

# 创建并激活虚拟环境 | Create and activate virtual environment
python -m venv venv
source venv/bin/activate  # Linux/Mac
# 或 | or
.\venv\Scripts\activate  # Windows

# 安装依赖 | Install dependencies
pip install -r requirements.txt

配置环境变量 | Configure Environment Variables

创建 .env 文件并设置以下环境变量： Create a .env file and set the following environment variables:

SEARCHAPI_API_KEY=your_searchapi_key_here
GOOGLE_API_KEY=your_google_api_key_here

使用方法 | Usage

启动 Google A2A 项目的 Host Agent 和 SearchAPI Agent

按照以下步骤启动完整的 A2A 环境，包括 Host Agent 和 SearchAPI Agent:

1. 启动 SearchAPI Agent

# 在searchapi-mcp-agent目录下
python -m searchapi_mcp_agent --host localhost --port 10001

2. 启动 Host Agent (基于 Google A2A 项目)

# 切换到 Google A2A 样例目录
cd path/to/A2A/samples/python

# 运行 Host Agent (选择一种)
uv run hosts/cli        # 命令行界面
# 或
uv run hosts/multiagent # 多代理环境

3. 在本地浏览器中访问 Demo UI

如果你运行的是多代理环境，可以在浏览器中访问以下地址:

http://localhost:12000

在 UI 中，点击机器人图标添加 SearchAPI Agent，使用以下地址:

http://localhost:10001/agent-card

直接发送请求 | Send Requests

可以通过以下方式发送请求： You can send requests in the following ways:

  1. 自然语言查询 | Natural Language Query：

    {
  "query": "查找从纽约到洛杉矶的航班"
}

    Agent会使用LLM自动将查询路由到合适的工具。 The agent will use LLM to automatically route the query to the appropriate tool.

  2. 直接指定工具 | Direct Tool Specification：

    {
  "tool_name": "search_google_flights",
  "parameters": {
    "departure_id": "NYC",
    "arrival_id": "LAX",
    "outbound_date": "2024-12-01"
  }
}

A2A 集成 | A2A Integration

本项目已完全实现 A2A 协议，可以作为 AI 助手的服务端点。API 符合 A2A 规范，支持任务创建、状态查询和流式响应。

This project fully implements the A2A protocol and can serve as a service endpoint for AI assistants. The API complies with the A2A specification, supporting task creation, status queries, and streaming responses.

A2A 协议特性实现 | A2A Protocol Implementation

  • 动态工具路由 - 通过自然语言处理自动识别用户意图并选择合适的搜索工具 Dynamic Tool Routing - Automatically identifies user intent through natural language processing and selects the appropriate search tool
  • 流式响应 - 支持大型搜索结果的分块流式传输，提供实时反馈 Streaming Responses - Supports chunked streaming of large search results, providing real-time feedback
  • 任务状态更新 - 实时报告搜索任务的进度和状态变化 Task Status Updates - Reports progress and status changes of search tasks in real-time
  • 错误处理 - 优雅处理搜索API错误，提供有用的错误消息 Error Handling - Gracefully handles search API errors, providing useful error messages

MCP 配置 | MCP Configuration

Claude for Desktop 配置示例 | Claude for Desktop Configuration Example

在 Claude for Desktop 的配置文件中添加以下内容： Add the following to your Claude for Desktop configuration file:

{
  "mcpServers": {
    "searchapi": {
      "command": "uv",
      "args": [
        "run",
        "--with",
        "mcp[cli]",
        "/path/to/searchapi-mcp-agent/mcp_server.py"
      ],
      "env": {
        "SEARCHAPI_API_KEY": "your_api_key_here",
        "GOOGLE_API_KEY": "your_google_api_key_here"
      }
    }
  }
}

配置文件位置 | Configuration file location:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%\Claude\claude_desktop_config.json

许可证 | License

本项目采用 MIT 许可证 - 详见 LICENSE 文件 This project is licensed under the MIT License - see the LICENSE file for details

致谢 | Acknowledgments

  • Model Context Protocol - 协议规范 | Protocol specification
  • A2A Protocol - Agent-to-Agent 协议规范 | Agent-to-Agent protocol specification
  • FastMCP - Python MCP 实现 | Python MCP implementation
  • SearchAPI.io - 搜索服务提供商 | Search service provider
  • Google A2A - Agent-to-Agent 协议参考实现 | A2A protocol reference implementation

注意：本服务器会与外部 API 进行交互。在使用 MCP 客户端确认操作之前，请始终验证请求的操作是否合适。 Note: This server interacts with external APIs. Always verify that requested operations are appropriate before confirming them in MCP clients.

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