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Security audit

Solar Weather Monitor

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward NOAA space-weather lookup tool with disclosed, read-only network use.

Install this only if you are comfortable with a skill making live read-only requests to NOAA SWPC for space-weather data. It does not appear to access private files, credentials, or persistent settings, but network access should ideally be made explicit in package metadata if the platform supports permission declarations.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • 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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
88% confidence
Finding

The skill documentation indicates network-backed functionality using NOAA real-time data, but the manifest does not declare any tool scope such as permissions or allowed-tools. This creates an authorization and transparency gap: an agent or reviewer cannot tell from the manifest that outbound network access is required, which can lead to over-privileged or unexpectedly network-capable execution.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.