Yes, Virtual Fs is free to use.

How do I install Virtual Fs?

Virtual Fs is a local plugin. Install it using npm package: mcp-virtual-fs and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Virtual Fs need?

Virtual Fs requires the following credentials or environment variables: DATABASE_URL, VFS_AUTO_INIT, VFS_SESSION_ID, VFS_ENABLE_RLS. You can find setup instructions on the server detail page.

What AI apps work with Virtual Fs?

Virtual Fs uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Virtual Fs MCP Server

by Lu Zhengda

Developer ToolsLow Risk10.0MCP RegistryLocal

Free

Server data from the Official MCP Registry

PostgreSQL-backed virtual filesystem for agents: session isolation, shared stores, POSIX ops, RLS.

About

PostgreSQL-backed virtual filesystem for agents: session isolation, shared stores, POSIX ops, RLS.

What You'll Need

Set these up before or after installing:

PostgreSQL connection string (e.g. postgresql://user:pass@host:5432/dbname)Required

Environment variable: DATABASE_URL

Auto-create database tables on startup (set to 'true' for first run)Optional

Environment variable: VFS_AUTO_INIT

Deterministic session ID for resumable sessions across restartsOptional

Environment variable: VFS_SESSION_ID

Enable PostgreSQL Row Level Security for database-enforced session isolationOptional

Environment variable: VFS_ENABLE_RLS

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-lu-zhengda-virtual-fs": {
      "env": {
        "DATABASE_URL": "your-database-url-here",
        "VFS_AUTO_INIT": "your-vfs-auto-init-here",
        "VFS_ENABLE_RLS": "your-vfs-enable-rls-here",
        "VFS_SESSION_ID": "your-vfs-session-id-here"
      },
      "args": [
        "-y",
        "mcp-virtual-fs"
      ],
      "command": "npx"
    }
  }
}

Security Report

10.0

Low Risk10.0Low Risk

Valid MCP server (2 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. Trust signals: trusted author (3/3 approved).

6 files analyzed · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

file_system

Check that this permission is expected for this type of plugin.

database

Check that this permission is expected for this type of plugin.

Reviews

No reviews yet

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What You'll Need

Set these up before or after installing:

PostgreSQL connection string (e.g. postgresql://user:pass@host:5432/dbname)Required

Environment variable: DATABASE_URL

Auto-create database tables on startup (set to 'true' for first run)Optional

Environment variable: VFS_AUTO_INIT

Deterministic session ID for resumable sessions across restartsOptional

Environment variable: VFS_SESSION_ID

Enable PostgreSQL Row Level Security for database-enforced session isolationOptional

Environment variable: VFS_ENABLE_RLS

{ "mcpServers": { "io-github-lu-zhengda-virtual-fs": { "env": { "DATABASE_URL": "your-database-url-here", "VFS_AUTO_INIT": "your-vfs-auto-init-here", "VFS_ENABLE_RLS": "your-vfs-enable-rls-here", "VFS_SESSION_ID": "your-vfs-session-id-here" }, "args": [ "-y", "mcp-virtual-fs" ], "command": "npx" } } }

Security Report

10.0

Low Risk10.0Low Risk

6 files analyzed · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

file_system

Check that this permission is expected for this type of plugin.

database

Check that this permission is expected for this type of plugin.

Virtual Fs MCP Server

About

What You'll Need

How to Install

Security Report

Permissions Required

Findings (1)

Reviews

No reviews yet

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Toleno

mcp-creator-python

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Virtual Fs MCP Server

About

What You'll Need

How to Install

Security Report

Permissions Required

Findings (1)

Reviews

No reviews yet

More Developer Tools MCP Servers

Toleno

mcp-creator-python

mcp-creator-typescript

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