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mcp/harbor
Claude Code

Virtual Filesystem for Claude Code

io.github.lu-zhengda/virtual-fs

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

client:Claude Code transport:stdio runtime:npm

Install Virtual Filesystem in Claude Code

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add virtual-fs -e DATABASE_URL=<DATABASE_URL> -e VFS_AUTO_INIT=<VFS_AUTO_INIT> -e VFS_SESSION_ID=<VFS_SESSION_ID> -e VFS_ENABLE_RLS=<VFS_ENABLE_RLS> -- npx -y mcp-virtual-fs

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

Virtual Filesystem in other clients

Virtual Filesystem MCP server