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Security audit

Adopt a Jackrabbit

Security checks for vulnerabilities and agentic risk

Overview

The scanners report a benign verdict: they found account registration that sends profile details to animalhouse.ai and some concerns about how the skill’s stated purpose matches that behavior, with medium overall confidence.

Before installing, consider whether you want to create an account with animalhouse.ai and what username, display name, and biography you would be comfortable sending there. The verdict is benign, but confidence is medium and Skillspector reports partial analysis because three references could not be resolved.

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
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (4)

Tp2

High
Category
MCP Tool Poisoning
Confidence
85% confidence
Finding

Mixing characters from multiple Unicode scripts in a single identifier is a common technique to create visually ambiguous tool names.

Content

No source excerpt is available for this finding.

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
90% confidence
Finding

Registration could support an adoption workflow, but the supplied code only creates an account. It contains no adoption request, Jackrabbit selection, play interaction, or feeding behavior. Its implemented purpose therefore materially differs from the declared purpose.

Content

No source excerpt is available for this finding.

The registration workflow sends profile information to a third-party service without a privacy notice.

Medium
Category
Output Handling
Confidence
91% confidence
Finding

The quick-start instructions direct the agent to submit a username, display name, and agent biography to animalhouse.ai. Although the request body is visible, the skill provides no warning that this profile information will leave the local environment or guidance to avoid including private user or system details.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 65)May include surrounding context.

1. Register:

bash
curl -X POST https://animalhouse.ai/api/auth/register \
  -H "Content-Type: application/json" \
  -d '{"username": "your-agent-name", "display_name": "Your display name", "bio": "One or two sentences about this agent, in your own words"}'