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Security audit

scryfall-cards

Security checks across malware telemetry and agentic risk

Overview

This skill is a straightforward Magic: The Gathering card lookup helper that only appears to query Scryfall and does not show hidden or privileged behavior.

Before installing, expect your MTG card names and search queries to be sent to Scryfall. The trigger wording is broad, so use it when you want Magic: The Gathering card data; it does not appear to need credentials or privileged local access.

SkillSpector

By NVIDIA
Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

Lp3

Medium
Category
MCP Least Privilege
Confidence
70% confidence
Finding
Without declared permissions the skill's intent is opaque and cannot be validated.

Vague Triggers

Medium
Confidence
97% confidence
Finding
The manifest says to use the skill for 'deck building questions' and 'requests for card information,' and lists triggers like mentions of 'Magic' or card names. These terms can overlap with ordinary conversation or contexts not actually requesting this skill, and the description does not provide exclusion conditions or clear trigger boundaries.

VirusTotal

66/66 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.