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toolbox-mcp

toolbox-mcp

by Blooming-cherry
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TypeScript
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toolbox-mcp

A tool-type MCP Server (Tools) demonstrating the complete call chain of "AI Host → MCP Protocol → Multi-language Backend".

Three-layer architecture:

Layer

Language

Responsibility

Glue (protocol + process bridge)

TypeScript / Node

MCP protocol, tool registration, spawn C++ subprocess

Kernel (computation)

C++

Pure computation kernel (e.g., twoSum sum of two numbers)

Directory Structure

toolbox-mcp
├── src/            TS 胶水层
│   ├── server.ts   主入口（serveStdio + 6 个 register）
│   ├── pathGuard.ts 路径守卫（限制读写 data/）
│   └── tools/      6 个工具
├── native/         C++ 内核
│   ├── 001.cpp     twoSum 源码
│   └── 001.exe     编译产物（不提交，见下）
├── data/           读写文件工具的操作目录
└── TODO.md         开发计划（#8 Web 面板待办）

Related MCP server: mini-mcp-demo

Environment Requirements

  • Node.js ≥ 20

  • MinGW g++ (for compiling the C++ kernel, only needed for the two_sum tool)

Installation

npm i

Compile the C++ Kernel

native/001.exe is a build artifact and is not committed. You need to compile it yourself after cloning:

g++ -O2 -std=c++20 -static-libgcc -static-libstdc++ native/001.cpp -o native/001.exe

-static-libgcc -static-libstdc++ makes the exe bundle its own runtime, avoiding dependency on libstdc++-6.dll.

Running

npm run dev    # 开发（tsx watch）
npm start      # 运行
npm run typecheck   # 类型检查（tsc --noEmit）

Tool List

Tool

Description

Layer

echo

Echo message

TS

add

Add two numbers

TS

reverse

Reverse string

TS

read_file

Read file in data/

TS

write_file

Write file in data/

TS

two_sum

Sum of two numbers (spawn C++ kernel)

TS → C++

Tool Schema Changelog

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

Loading tool schema changelog…

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