Memfs MCP Server

by qtgcy08

Knowledge graph management system with BM25 + fuzzy search, inspired by filesystem concepts

2Node.jsstdio

context tax

pending

security

pending

cold start

pending

freshness

pending

Our reading of Memfs, from the data

Memfs is a file system MCP server from qtgcy08.

We haven't measured its tool list yet, so its token cost is unknown.

With 2 GitHub stars it ranks #64 of 129 file system servers we index.

It runs locally on your machine over stdio.

Install Memfs MCP server

claude mcp add memfs -- npx -y @qty/memfs

{
  "mcpServers": {
    "memfs": {
      "command": "npx",
      "args": [
        "-y",
        "@qty/memfs"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "memfs": {
      "command": "npx",
      "args": [
        "-y",
        "@qty/memfs"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "memfs": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@qty/memfs"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "memfs": {
      "command": "npx",
      "args": [
        "-y",
        "@qty/memfs"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Freshness

Not enough public signals yet to judge maintenance.

Last commit (default branch)
2026-09-15 · 33d ago · GitHub
Latest release
2026-08-06 · 2mo ago · GitHub · v3.8.1
Package published
no data · npm/PyPI
Registry entry updated
no data · official registry

How it compares in File System

Against the most-starred file system servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Memfs (this)	2	—	not measured	—	local
Markitdown	190,947	—	not measured	Active	—
Filesystem	91,356	—	not measured	Active	local
Plg Handler	14,805	—	not measured	Active	—
Everything Search	366	—	not measured	Stale	local
LLM Context PY	307	—	not measured	Maintained	—

All file system MCP servers

FAQ

›How do I install the Memfs MCP server in Claude Code?

Run: claude mcp add memfs -- npx -y @qty/memfs. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Memfs require an API key?

No required environment variables are declared in its published metadata.

›Can I use Memfs as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Memfs in the official MCP registry?

No. It was indexed from npm.

Sources and method

GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.