MCP Servers

code-tools-mcp

Enables file reading with pagination and regex-based code search across a codebase using grep.

README

Code Tools MCP

一个整合了文件阅读和代码搜索功能的 MCP (Model Context Protocol) 服务工具。

功能概述

本 MCP 服务注册了两个工具，供支持 MCP 协议的 AI 客户端（如 Claude Desktop、Claude Code 等）调用：

1. `read_file` — 文件阅读

读取指定路径的文件内容，支持按行范围分页读取。

参数：

参数	类型	必填	说明
`file_path`	string	是	文件的绝对或相对路径，支持跨盘符路径（如 `D:/path/to/file`）
`offset`	number	否	起始行号（从 1 开始），配合 `limit` 实现分页读取
`limit`	number	否	最大读取行数，配合 `offset` 实现分页读取

示例：

{
  "file_path": "D:/projects/main.cpp",
  "offset": 100,
  "limit": 50
}

2. `search_codebase` — 代码搜索

在指定目录中递归搜索匹配正则表达式的内容，基于 grep 实现。

参数：

参数	类型	必填	说明
`query`	string	是	grep 兼容的搜索查询（支持正则表达式）
`directory`	string	否	搜索目录，支持绝对/相对路径，默认为当前工作目录
`include`	string	否	文件类型过滤（如 `.js`、`.cpp`），对应 grep 的 `--include`

示例：

{
  "query": "function\\s+loadNextLevel",
  "directory": "D:/raylib/proj_1",
  "include": "*.cpp"
}

安装与配置

1. 安装依赖

cd D:/code-tools-mcp
npm install

2. 配置 MCP 客户端

在 Claude Desktop 或 Claude Code 的 MCP 配置中添加：

{
  "mcpServers": {
    "code-tools": {
      "command": "node",
      "args": ["D:/code-tools-mcp/index.js"]
    }
  }
}

3. 启动（测试）

node D:/code-tools-mcp/index.js

项目结构

code-tools-mcp/
├── index.js        # MCP 服务主入口，注册 read_file 和 search_codebase 两个工具
├── package.json    # 项目配置文件
└── README.md       # 本说明文件

技术栈

运行时： Node.js
MCP SDK： @modelcontextprotocol/sdk v1.29+
参数校验： Zod v4.4+
文件读取： Node.js 内置 fs/promises
代码搜索： 调用系统 grep 命令

注意事项

search_codebase 依赖系统安装的 grep 命令，Windows 用户需确保 Git Bash 或类似环境可用
单次返回内容上限约为 64,000 字符，超出部分会被截断
文件读取默认使用 UTF-8 编码

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