Filesystem Watcher

Verified Integration

Author: @file•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Filesystem Watcher to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "filesystem-watcher": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem-watcher"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Provides AI agents with event-driven access to file system changes without the need for busy-polling.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Filesystem Watcher

It leverages native operating system event mechanisms (such as `inotify` on Linux, `FSEvents` on macOS, and `ReadDirectoryChangesW` on Windows) through the Watchdog library. This allows it to deliver instant, event-driven notifications directly to your AI agent as changes occur, eliminating the need for constant file system checks.

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