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Security audit

Baseball

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward MLB lookup tool that fetches public baseball data and does not show hidden, destructive, persistent, or credential-seeking behavior.

Install this if you want an agent to answer MLB schedule, score, live game, player, and stat questions using public MLB API data. Be aware it needs outbound network access for those lookups and the package does not declare a tight domain permission scope, so review future updates for any expansion beyond MLB data fetching.

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
89% confidence
Finding

The skill documentation indicates the underlying script performs network access to the MLB Stats API, but the skill declares no explicit tool scope such as permissions or allowed-tools. This creates a least-privilege gap: the runtime may permit broader outbound access than intended, making future code changes or misuse harder to constrain and review.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.