MCP Server - Filesystem

Basic Information

• Developer: Anthropic / Model Context Protocol Community
• Country/Region: USA
• GitHub: https://github.com/modelcontextprotocol/servers/tree/main/src/filesystem
• Type: MCP Server / Local Filesystem Access
• First Release: November 2024
• License: MIT
• Development Language: TypeScript / Node.js

Product Description

The Filesystem MCP Server is a reference server implementation developed by Anthropic for the Model Context Protocol, providing AI agents with secure local filesystem access capabilities. Through this server, AI assistants (such as Claude) can read files, write content, create directories, move files, and search documents, all within the scope of directories explicitly authorized by the user. The server employs strict path validation and gitignore-style exclusion patterns to ensure the security of file operations.

Core Features

• File Read/Write: Safely read and write file contents
• Directory Management: Create, list, and move directories
• Content Search: Search for specified text within file contents
• Path Validation: Strict path validation to prevent unauthorized access
• Metadata Extraction: Retrieve detailed JSON metadata for files and directories
• gitignore Exclusion: Support for gitignore-style file exclusion patterns
• Flexible Directory Control: Specify accessible directories via command-line arguments or Roots dynamically

Security Mechanisms

• Operations are only allowed within directories explicitly authorized by the user
• Strict path validation to prevent directory traversal attacks
• Each operation requires explicit user approval
• Security patch version (2025.7.1) released in July 2025, fixing path validation bypass vulnerabilities (CVE-2025-53109, CVE-2025-53110)

Business Model

• Completely Free and Open Source: MIT license, free to use
• Requires Node.js Runtime: Dependent on Node.js environment

Target Users

• Developers needing AI-assisted file management
• Individual users of Claude Desktop
• Developers building file-processing AI workflows

Relationship with the OpenClaw Ecosystem

The Filesystem MCP Server is the infrastructure for OpenClaw agents to access users' local filesystems. Through this server, OpenClaw's AI agents can read project files, modify configurations, manage documents, etc., making it a core component for enabling localized AI agent operations. OpenClaw leverages its secure directory access control to ensure user data safety.