FastMCP client demo using uv
Project description
FastMCP 客户端示例
这是一个使用 uv 和 FastMCP 创建的客户端项目示例。
项目结构
.
├── pyproject.toml # 项目配置和依赖
├── client.py # FastMCP 客户端示例
├── server.py # 简单的 FastMCP 服务器(用于测试)
├── test_client.py # 客户端测试
└── README.md # 本文件
快速开始
1. 安装依赖
使用 uv 安装项目依赖:
uv sync
2. 运行服务器
在一个终端中启动 MCP 服务器:
uv run python server.py
3. 运行客户端
在另一个终端中运行客户端:
uv run python client.py
4. 运行测试
运行客户端测试:
uv run pytest test_client.py -v
文件说明
server.py
一个简单的 FastMCP 服务器示例,包含:
add(a, b)- 加法工具multiply(a, b)- 乘法工具greet(name)- 问候工具hello_resource- 资源示例greeting_prompt- 提示示例
client.py
FastMCP 客户端示例,演示:
- 连接到 STDIO 服务器
- 列出可用工具
- 调用工具
- 列出资源和提示
- HTTP 服务器连接示例
- 从配置创建客户端
test_client.py
使用 pytest 的客户端测试示例,演示:
- 工具列表测试
- 工具调用测试
- 错误处理测试
FastMCP 客户端特性
FastMCP 客户端支持三种传输方式:
-
In-Memory Transport - 直接连接到同一进程中的 FastMCP 服务器
client = Client(server=mcp_instance)
-
STDIO Transport - 通过 stdin/stdout 与子进程通信
client = Client( name="my-client", command="python", args=["server.py"], )
-
HTTP Transport - 连接到 HTTP 服务器
client = Client( name="http-client", url="http://localhost:8000", )
常用操作
列出工具
async with client:
tools = await client.list_tools()
for tool in tools:
print(f"{tool.name}: {tool.description}")
调用工具
async with client:
result = await client.call_tool("add", {"a": 5, "b": 3})
print(result)
读取资源
async with client:
resource = await client.read_resource("text://hello")
print(resource)
获取提示
async with client:
prompt = await client.get_prompt("greeting_prompt", {"name": "World"})
print(prompt)
更多信息
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