Is "@leeoohoo/ui-apps-devkit" on MCP Registry Safe to Install?

leeoohoo · mcp · v0.1.14

ChatOS UI Apps DevKit (CLI + templates + sandbox) for building installable ChatOS UI Apps plugins.

Risk Assessment

Analyzed
100
out of 100
CRITICAL

225 security findings detected across all analyzers

MCP server analyzed for tool poisoning, prompt injection, and data exfiltration

Severity Breakdown

1
Critical
102
High
58
Medium
0
Low
0
Info

Finding Categories

84
Malware Signatures
13
Secrets
19
Network

YARA Rules Matched

12 rules(84 hits)
postinstall file manipulation NoUseWeakRandom postinstall environment access postinstall system command UsingShellInterpreterWhenExecutingOSCommands postinstall registry modification postinstall network communication credential env files postinstall file download postinstall crypto operations LocalStorageShouldNotBeUsed postinstall obfuscation

MCP Server Analysis

MCP servers expose tools and resources to AI assistants. Unlike browser extensions, they run as standalone processes with direct system access. Tool definitions are analyzed for prompt injection, data exfiltration, and tool poisoning patterns.

About This Extension

ChatOS UI Apps DevKit (CLI + templates + sandbox) for building installable ChatOS UI Apps plugins.

Detailed Findings

225 total

YARA Rule Matches

12 rules

Security Analysis Summary

Security Analysis Overview

@leeoohoo/ui-apps-devkit is a mcp extension published by leeoohoo. Version 0.1.14 has been analyzed by the Risky Plugins security platform, receiving a risk score of 100/100 (CRITICAL risk) based on 225 security findings.

Risk Assessment

This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.

Findings Breakdown

  • Critical: 1 finding(s)
  • High: 102 finding(s)
  • Medium: 58 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

@leeoohoo/ui-apps-devkit is published by leeoohoo on the mcp marketplace.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Frequently Asked Questions