Is "@tomschell/personal-kg-mcp" on MCP Registry Safe to Install?

tomschell · mcp · v1.0.2

Personal Knowledge Graph MCP server for maintaining a local, private knowledge graph of decisions, progress, insights, and questions during development

Risk Assessment

Analyzed
100
out of 100
CRITICAL

117 security findings detected across all analyzers

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

Severity Breakdown

9
Critical
47
High
58
Medium
0
Low
0
Info

Finding Categories

33
Malware Signatures
8
Secrets
44
IoC Indicators

YARA Rules Matched

10 rules(33 hits)
postinstall network communication postinstall file manipulation credential env files postinstall obfuscation postinstall system command postinstall environment access postinstall file download postinstall crypto operations UsingCommandLineArguments UsingShellInterpreterWhenExecutingOSCommands

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

Personal Knowledge Graph MCP server for maintaining a local, private knowledge graph of decisions, progress, insights, and questions during development

Detailed Findings

73 total

YARA Rule Matches

10 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
4
Domains
40
Strings
44

All Indicators · 44

Domain
detected Domain: item.id

XIOC detected Domain: item.id

extracted_from_files

Domain
detected Domain: edges.map

XIOC detected Domain: edges.map

extracted_from_files

Domain
detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

URL
detected URL: https://github.com/tomschell/personal-kg-mcp#readme

XIOC detected URL: https://github.com/tomschell/personal-kg-mcp#readme

extracted_from_files

Domain
detected Domain: edgesraw.map

XIOC detected Domain: edgesraw.map

extracted_from_files

Domain
detected Domain: e.id

XIOC detected Domain: e.id

extracted_from_files

Domain
detected Domain: basetags.map

XIOC detected Domain: basetags.map

extracted_from_files

Domain
detected Domain: readme.md

XIOC detected Domain: readme.md

extracted_from_files

URL
detected URL: https://github.com/tomschell/personal-kg-mcp

XIOC detected URL: https://github.com/tomschell/personal-kg-mcp

extracted_from_files

URL
detected URL: https://github.com/tomschell/personal-kg-mcp.git

XIOC detected URL: https://github.com/tomschell/personal-kg-mcp.git

extracted_from_files

URL
detected URL: https://github.com/tomschell/personal-kg-mcp/issues

XIOC detected URL: https://github.com/tomschell/personal-kg-mcp/issues

extracted_from_files

Domain
detected Domain: c.nodeids.map

XIOC detected Domain: c.nodeids.map

extracted_from_files

Domain
detected Domain: node.id

XIOC detected Domain: node.id

extracted_from_files

Domain
detected Domain: o.id

XIOC detected Domain: o.id

extracted_from_files

Domain
detected Domain: stat.total

XIOC detected Domain: stat.total

extracted_from_files

Domain
detected Domain: nodesraw.map

XIOC detected Domain: nodesraw.map

extracted_from_files

Domain
detected Domain: n.tags.map

XIOC detected Domain: n.tags.map

extracted_from_files

Domain
detected Domain: ann.search

XIOC detected Domain: ann.search

extracted_from_files

Domain
detected Domain: r.id

XIOC detected Domain: r.id

extracted_from_files

Domain
detected Domain: r.node.id

XIOC detected Domain: r.node.id

extracted_from_files

Domain
detected Domain: it.id

XIOC detected Domain: it.id

extracted_from_files

Domain
detected Domain: m.id

XIOC detected Domain: m.id

extracted_from_files

Domain
detected Domain: c.center

XIOC detected Domain: c.center

extracted_from_files

Domain
detected Domain: args.link

XIOC detected Domain: args.link

extracted_from_files

Domain
detected Domain: other.id

XIOC detected Domain: other.id

extracted_from_files

Domain
detected Domain: args.auto

XIOC detected Domain: args.auto

extracted_from_files

Domain
detected Domain: storage.repair

XIOC detected Domain: storage.repair

extracted_from_files

Domain
detected Domain: recentnodes.map

XIOC detected Domain: recentnodes.map

extracted_from_files

Domain
detected Domain: nodea.id

XIOC detected Domain: nodea.id

extracted_from_files

Domain
detected Domain: nodeb.id

XIOC detected Domain: nodeb.id

extracted_from_files

Domain
detected Domain: edgefiles.map

XIOC detected Domain: edgefiles.map

extracted_from_files

Domain
detected Domain: c.id

XIOC detected Domain: c.id

extracted_from_files

Domain
detected Domain: edge.id

XIOC detected Domain: edge.id

extracted_from_files

Domain
detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain
detected Domain: othernode.id

XIOC detected Domain: othernode.id

extracted_from_files

Domain
detected Domain: nodes.map

XIOC detected Domain: nodes.map

extracted_from_files

Domain
detected Domain: config.storage

XIOC detected Domain: config.storage

extracted_from_files

Domain
detected Domain: config.mcp.capture.tools

XIOC detected Domain: config.mcp.capture.tools

extracted_from_files

Domain
detected Domain: ann.build

XIOC detected Domain: ann.build

extracted_from_files

Domain
detected Domain: all.map

XIOC detected Domain: all.map

extracted_from_files

Domain
detected Domain: n.id

XIOC detected Domain: n.id

extracted_from_files

Domain
detected Domain: entries.map

XIOC detected Domain: entries.map

extracted_from_files

Domain
detected Domain: nodefiles.map

XIOC detected Domain: nodefiles.map

extracted_from_files

Domain
detected Domain: clusters.map

XIOC detected Domain: clusters.map

extracted_from_files

Security Analysis Summary

Security Analysis Overview

@tomschell/personal-kg-mcp is a mcp extension published by tomschell. Version 1.0.2 has been analyzed by the Risky Plugins security platform, receiving a risk score of 100/100 (CRITICAL risk) based on 117 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: 9 finding(s)
  • High: 47 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

@tomschell/personal-kg-mcp is published by tomschell 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