# Virtual Fs

> MCP server providing AI agents with persistent, PostgreSQL-backed virtual filesystem — session-isolated file operations, cross-session stores, glob/grep search, and Row Level Security

## Facts
- Page: https://tashan.sh/capability/pkg-mcp-virtual-fs
- tashan id: pkg:mcp-virtual-fs
- Source: https://github.com/lu-zhengda/mcp-virtual-fs
- npm: https://www.npmjs.com/package/mcp-virtual-fs
- Type: npm
- Category: other
- tashan score: 29.0 / 100
- Adoption: 23.0
- Upkeep: 43.0
- Freshness: 51.0
- Evidence coverage: 100% of the inputs this score can use
- Health: abandoned
- Instruction depth: not yet graded
- npm downloads: 45/week
- Official: no

## Install

```sh
claude mcp add virtual-fs -- npx -y mcp-virtual-fs
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: attested
- Declared permission surface: database

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-08-14 by tashan (https://tashan.sh) from public evidence. Scorer s5.