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simple-MCP

simple-MCP

by ygdcz
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

simple-MCP

一个最小的 MCP (Model Context Protocol) server 示例,通过 stdio 暴露一个查询本机硬件信息的工具。

依赖

  • Python >= 3.13

  • uv

Related MCP server: mcpscope

安装

uv sync

运行

uv run main.py

server 以 stdio 传输方式启动,等待 MCP 客户端连接。

工具

get_host_info

无参数,返回结构化的主机信息:

字段

类型

说明

system

string

操作系统名称,如 Darwin / Linux / Windows

release

string

内核版本号

machine

string

CPU 架构,如 x86_64 / arm64

processor

string

处理器标识,部分平台可能为空

memory_gb

number

物理内存总量,单位 GB

cpu_count

integer

逻辑核心数,无法探测时为 -1

cpu_model

string

CPU 型号名称,无法探测时为 Unknown

返回类型是 pydantic model HostInfo,MCP 会据此生成自描述的 output schema,客户端无需解析字符串。

CPU 型号按平台探测:macOS 用 sysctl machdep.cpu.brand_string,Linux 读 /proc/cpuinfo,Windows 读 PROCESSOR_IDENTIFIER,全部失败时回退到 platform 模块。

客户端配置

{
  "mcpServers": {
    "hostInfoMcp": {
      "command": "uv",
      "args": ["--directory", "/path/to/simple-MCP", "run", "main.py"]
    }
  }
}

本地验证

uv run tools.py    # 直接打印主机信息 JSON

Available Tools

1 tool
get_host_infoA

获取本机硬件与操作系统信息。

返回 system(系统名)、release(内核版本)、machine(架构)、 processor(处理器标识)、memory_gb(总内存 GB)、 cpu_count(逻辑核心数)、cpu_model(CPU 型号)。

Inputs: no named parameters. Returns: 主机硬件与操作系统信息。

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
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    TDQS

    A4.1/5.0

    Scored across 1 tool

    Disambiguation5/5

    With only one tool, there is no possibility of confusion with other tools. The tool's purpose is clearly defined.

    Naming Consistency5/5

    The single tool follows a clear verb_noun pattern (get_host_info), which is consistent and descriptive.

    Tool Count3/5

    One tool is on the low end, but given the server's name 'simple-MCP', it is reasonable for a focused purpose. However, it is borderline for general utility.

    Completeness5/5

    The tool returns comprehensive host hardware and OS information (system, kernel, architecture, processor, memory, CPU), covering the domain well with no obvious gaps.

    Maintenance

    ActivityInactive
    ResponsivenessNo recent community issues

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