Koskamo

Filesystem MCP

A community-driven Model Context Protocol server that enables AI assistants to interact with the local file system. It supports searching, reading, editing, and managing files within specified directories. Key capabilities include text and regex search, file creation, overwriting, deletion, applying diffs, and watching for changes. It includes security features like blocking sensitive files by default and supports both stdio and Streamable HTTP transports.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Filesystem MCP logo, by j0hanzCommunity listingLocal stdioSource reviewed; not executedPublished by j0hanz
Vendor documentation

What you can do with it

  • Search for literal text or regex patterns within files
  • Read, create, edit, and delete local files
  • Apply unified diff patches to files
  • Watch files for change notifications

Source and maintenance

Community listingRegistry 2.13.0
mcp-registry: io.github.j0hanz/filesystem-mcp@2.13.0Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@j0hanz/filesystem-mcp 2.13.0

npmnpx
@j0hanz/filesystem-mcp package definition
{
  "version": "2.13.0",
  "transport": "stdio",
  "identifier": "@j0hanz/filesystem-mcp",
  "runtimeHint": "npx",
  "registryType": "npm",
  "packageArguments": [
    {
      "type": "positional",
      "format": "filepath",
      "valueHint": "allowed_directory",
      "isRepeated": true,
      "description": "Directory path the server is allowed to access. Repeat for multiple directories."
    },
    {
      "name": "--allow-cwd",
      "type": "named",
      "format": "boolean",
      "description": "Allow the current working directory as an additional access root."
    },
    {
      "name": "--read-only",
      "type": "named",
      "format": "boolean",
      "description": "Disable all write, edit, move, and delete tools."
    }
  ],
  "environmentVariables": [
    {
      "name": "FS_ALLOWED_DIRS",
      "format": "string",
      "description": "Allowed directories; ':'-separated on Unix, ';'-separated on Windows. Alternative to positional arguments."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "filesystem-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@j0hanz/filesystem-mcp@2.13.0"
      ],
      "env": {
        "FS_ALLOWED_DIRS": "<YOUR_FS_ALLOWED_DIRS>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "filesystem-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@j0hanz/filesystem-mcp@2.13.0"
      ],
      "env": {
        "FS_ALLOWED_DIRS": "<YOUR_FS_ALLOWED_DIRS>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "filesystem-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@j0hanz/filesystem-mcp@2.13.0"
      ],
      "env": {
        "FS_ALLOWED_DIRS": "<YOUR_FS_ALLOWED_DIRS>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "filesystem-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@j0hanz/filesystem-mcp@2.13.0"
      ],
      "env": {
        "FS_ALLOWED_DIRS": "<YOUR_FS_ALLOWED_DIRS>"
      }
    }
  }
}

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