MCP Server - File Search Tool 🗂️

Created By

RJTPP7 months ago

A Model Context Protocol (MCP) server for searching file content with regex across various file types

Content

MCP Server - File Search Tool 🗂️

An MCP (Model Context Protocol) server that provides powerful file system search and inspection capabilities via the MCP protocol. Use this tool to list directories, search file names, read file contents (including PDF and DOCX), and perform regex‑based content searches with context.

Features

List file paths: Breadth‑first or depth‑first listing, with paging and nested‑level control.
Search file names: Regex‑based file name search.
Read files: Read text, PDF, and DOCX files with optional character limits.
Search file contents: Regex‑based content search with configurable context lines.
Allowed paths: Restrict server to only browse and search within configured directories.
Exclude paths: Prevent sensitive directories from being accessed.
Hide hidden files: Optionally ignore files and directories beginning with a dot.
Path masking: Replace configured path segments with tokens for privacy.

Prerequisites

Python 3.10 or higher
uv - Fast Python package manager

Installation

Clone the repository:

git clone https://github.com/RJTPP/mcp-server-file-search-tool
cd mcp-server-file-search-tool

Create virtual environment and install dependencies:

uv sync

Running the Server

Start the server (default port 6277):

uv run server.py

Claude Desktop Integration

To add this server to Claude Desktop:

mcp install server.py --name "File Search Tool"

Or manually add it to claude_desktop_config.json:

{
  "mcpServers": {
    "File Search Tool": {
      "command": "uv",
      "args": [
        "--directory",
        "/path/to/mcp-sever-file-search-tool/",
        "run",
        "--with",
        "mcp[cli]",
        "mcp",
        "run",
        "server.py"
      ]
    }
  }
}

Configuration

Copy the example configuration:

   cp config_example.json config.json

Edit config.json to customize:

{
  "DEFAULT_TIME_LIMIT": 10,
  "HIDE_HIDDEN_FILES": true,
  "HOST": "127.0.0.1",
  "PORT": 6277,
  "ALLOWED_PATHS": [
    "/path/to/allowed/directory"
  ],
  "EXCLUDE_PATHS": [
    "/path/to/excluded/directory"
  ],
  "PATH_MASKER": {
    "ENABLED": true,
    "MODE": "segment",
    "MASK_TOKEN": "MASK",
    "LOOK_FOR": [
      "path_to_mask"
    ]
  }
}

Required Fields

ALLOWED_PATHS is required. The server will not start unless at least one allowed path is configured.

Configuration Field Descriptions

Field	Type	Description
`DEFAULT_TIME_LIMIT`	`int`	Max execution time for searches (in seconds).
`HIDE_HIDDEN_FILES`	`bool`	If `true`, ignores files and directories that start with `.`
`HOST`	`string`	IP address the server will bind to (e.g., `"127.0.0.1"`).
`PORT`	`int`	Port number to listen on (e.g., `6277`).
`ALLOWED_PATHS`	`list[string]`	Required. Directories the server is allowed to access and search.
`EXCLUDE_PATHS`	`list[string]`	Directories to explicitly block, even if inside allowed paths.
`PATH_MASKER`	`object`	Optional masking settings for privacy.
`PATH_MASKER.ENABLED`	`bool`	Enables or disables path masking.
`PATH_MASKER.MODE`	`"segment"` or `"prefix"`	Masking mode: `"segment"` replaces matching segments; `"prefix"` masks full path prefixes.
`PATH_MASKER.MASK_TOKEN`	`string`	The token to replace matched path segments (e.g., `"MASK"`).
`PATH_MASKER.LOOK_FOR`	`list[string]`	List of path segments to be masked when found in full paths.

Security

WARNING

This server does not implement authentication or encryption.
It is designed for local, personal use only Do not expose the server to untrusted networks or use it in production without adding proper security measures.