Virtual Filesystem

io.github.lu-zhengda/virtual-fs·v0.2.2·Databases

Quality Score

/100

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

Repository →Website →

§01 Install

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "virtual-fs": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-virtual-fs"
      ],
      "env": {
        "DATABASE_URL": "<your-database_url>",
        "VFS_AUTO_INIT": "<vfs_auto_init>",
        "VFS_SESSION_ID": "<vfs_session_id>",
        "VFS_ENABLE_RLS": "<vfs_enable_rls>"
      }
    }
  }
}

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "virtual-fs": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-virtual-fs"
      ],
      "env": {
        "DATABASE_URL": "<your-database_url>",
        "VFS_AUTO_INIT": "<vfs_auto_init>",
        "VFS_SESSION_ID": "<vfs_session_id>",
        "VFS_ENABLE_RLS": "<vfs_enable_rls>"
      }
    }
  }
}

Cline (cline_mcp_settings.json)

npx -y mcp-virtual-fs

§02 Environment variables

DATABASE_URL

requiredsecret

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

VFS_AUTO_INIT

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

VFS_SESSION_ID

Deterministic session ID for resumable sessions across restarts

VFS_ENABLE_RLS

Enable PostgreSQL Row Level Security for database-enforced session isolation

§03 MCP Quality Score · methodology

freshness

completeness

installability

documentation

stability

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