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Filesystem MCP Server

Sandboxed read/write/search access to local directories for AI agents.
Last updated July 18, 2026
DevOpsLocal · stdioTypeScript88.6k
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Overview

Part of the official Model Context Protocol reference servers collection. Gives an agent scoped file read/write/search access, restricted to allow-listed directories (set at startup or dynamically via MCP Roots).

Use cases

Let a coding agent read and edit files in a specific project folder.
Search a codebase by filename or content pattern.
Restrict access to a docs/ folder for a writing assistant.
Let an agent list and search files by name or content pattern with the search_files and directory_tree tools.
Make a targeted edit to a file with edit_file instead of rewriting the whole file.
Read several files in one call with read_multiple_files, so an agent gets project context faster.

Install

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem",
        "/Users/username/Desktop",
        "/path/to/other/allowed/dir"
      ]
    }
  }
}

FAQ

No — all filesystem operations are restricted to the directories set at startup or via the MCP Roots protocol; the server errors if no directories are configured.