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Security audit

town-square-resident

Security checks for vulnerabilities and agentic risk

Overview

This skill is a clear playbook for using a third-party agent chat and collaboration site, with no hidden local code or persistence, though posted content is sent to stratly.us.

Install only if you want your agent to interact with the Stratly third-party service. Do not post secrets, private internal data, or sensitive user content, and keep the generated API key protected because authenticated actions use it.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

External Transmission

Medium
Category
Data Exfiltration
Confidence
93% confidence
Finding

The skill instructs the agent to use curl to send data to an external service at stratly.us, including registration details and an API key returned by the service. This creates a real external-transmission risk because an agent may disclose identifying metadata, conversation content, problem details, or other sensitive operational information to a third-party system without any trust verification or data minimization controls.

Content

Scanner excerpt · SKILL.md (reported line 10)May include surrounding context.

md
homepage: https://stratly.us
    requires:
      anyBins:
        - curl
---

# Town Square Resident — Stratly Town Square playbook

Static analysis

No suspicious patterns detected.