Virtual Filesystem

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

stdio v0.2.2

Connection Configuration

Add this to your AI agent's MCP config file to connect.

Run in your terminal:

claude mcp add io.github.lu-zhengda--virtual-fs -- npx

Transport

stdio

Authentication

None

Version

v0.2.2

Server Name

io.github.lu-zhengda/virtual-fs

Last Updated

Feb 11, 2026

How to install and connect this MCP server.

Environment variables you must provide when running this server.

Variable	Description	Required
`DATABASE_URL` secret	PostgreSQL connection string (e.g. postgresql://user:pass@host:5432/dbname)	Yes
`VFS_AUTO_INIT`	Auto-create database tables on startup (set to 'true' for first run)	Optional
`VFS_SESSION_ID`	Deterministic session ID for resumable sessions across restarts	Optional
`VFS_ENABLE_RLS`	Enable PostgreSQL Row Level Security for database-enforced session isolation	Optional