MCP Servers

Local Code MCP Server

Provides LLMs with safe, read-only access to local codebases for searching, reading files, and finding function definitions. All source code remains local, ensuring privacy while enabling AI assistants to explore project structures and functionality.

README

Local Code MCP Server (TypeScript)

A Model Context Protocol (MCP) server that provides LLMs with safe, read-only access to a local codebase.
It allows AI assistants to answer questions like:

Where is this functionality implemented?
Which file contains this function?
Search for usages of a specific API or keyword

All source code remains local — nothing is uploaded or shared externally.

✨ Features

🔒 Local-only, read-only access to files
📂 List files in a project
📄 Read file contents safely
🔍 Search code across the repository
🧭 Find function definitions
🧠 Zod-based schemas for reliable tool calls
🔌 Compatible with any MCP-enabled LLM client

🏗 Architecture

LLM Client (Claude / Cursor / Custom UI)
            │
            │  MCP (stdio)
            ▼
     MCP Server (Node + TypeScript)
            │
            ▼
     Local Project Files (read-only)

🧰 Available Tools

Tool Name	Description
`list_files`	List all files in the project
`read_file`	Read a file by relative path
`search_code`	Search text across source files
`find_function`	Locate function definitions

⚙️ Prerequisites

Node.js 18+
npm 9+

🚀 Setup

1️⃣ Install Dependencies

npm install

2️⃣ Configure Project Root

Edit src/config.ts and set the absolute path of the project you want to query:

export const PROJECT_ROOT = "ABSOLUTE_PATH_TO_YOUR_PROJECT";

3️⃣ Build & Run

npm run build
npm start

🔌 Connecting an MCP Client

Example (Claude Desktop):

{
  "mcpServers": {
    "local-code": {
      "command": "node",
      "args": ["<absolute-path>/dist/index.js"]
    }
  }
}

🔐 Security Model

Read-only access
Explicit project root allowlist
Path traversal protection
No network access
No code upload

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