Klex Machine MCP Server

by stagewise-io

Unrestricted filesystem and persistent shell MCP server

7Node.jsstdio

context tax

pending

security

97/100

cold start

pending

freshness

Active1d ago

Our reading of Klex Machine, from the data

Klex Machine is a file system MCP server from stagewise-io.

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

Maintenance is active: the last public signal was in the last day (2026-10-17). For comparison, 58% of file system servers are active or maintained.

With 7 GitHub stars it ranks #45 of 129 file system servers we index.

It runs locally on your machine over stdio.

Install Klex Machine MCP server

claude mcp add klex-machine -- npx -y @klex/machine

{
  "mcpServers": {
    "klex-machine": {
      "command": "npx",
      "args": [
        "-y",
        "@klex/machine"
      ]
    }
  }
}

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

{
  "mcpServers": {
    "klex-machine": {
      "command": "npx",
      "args": [
        "-y",
        "@klex/machine"
      ]
    }
  }
}

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

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

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

{
  "mcpServers": {
    "klex-machine": {
      "command": "npx",
      "args": [
        "-y",
        "@klex/machine"
      ]
    }
  }
}

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

Security signals

97/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Deductions

No security policy (SECURITY.md)-3

Checks

✓Repository hygiene (archived, activity, license, security policy)
○Package metadata (install scripts, provenance) — pending
○Tool descriptions (prompt-injection and hidden-text heuristics) — pending
○Source scan (secrets, CVEs, risky code) by vectra-guard — pending

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal 1d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-17 · 1d ago · GitHub
Latest release
2026-10-17 · 1d ago · GitHub · v0.18.0
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
Klex Machine (this)	7	—	not measured	Active	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	Active	local
LLM Context PY	307	—	not measured	Active	—

All file system MCP servers

FAQ

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

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

›Does Klex Machine require an API key?

No required environment variables are declared in its published metadata.

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

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

›Is Klex Machine 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
Security signals, computed by us: 2026-10-19
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.