MCP server

Filesystem

MCP

The reference server for the tree you already trust.

Official Model Context Protocol filesystem server. Roots you name. Reads and writes stay inside them.

latest·MIT·Updated this month·github.com/modelcontextprotocol/servers·Transport: stdio

Claude CodeCursorVS CodeDesktop

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claude_desktop_config.json

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

By Model Context Protocol

Spec

What the server actually exposes.

read_file
read
Read a file inside an allowed root.
write_file
write
Write a file inside an allowed root.
list_directory
read
List a directory you allowed.
search_files
read
Find files by name under a root.

Tool	Does	Access
read_file	Read a file inside an allowed root.	read
write_file	Write a file inside an allowed root.	write
list_directory	List a directory you allowed.	read
search_files	Find files by name under a root.	read

Guardrails

Roots are explicit
No path traversal past a root
Writes are logged by the client

mcp-filesystem.mcp/tools

Tools

read_file
Read a file inside an allowed root.
read
write_file
Write a file inside an allowed root.
write
list_directory
List a directory you allowed.
read
search_files
Find files by name under a root.
read

Last call

{ "ok": true,
  "tool": "read_file",
  "rows": 12 }

Maker

Model Context Protocol

@mcp · Org

All mcps

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Discussion

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