Security audit

Twitter Api Alternative

Security checks for vulnerabilities and agentic risk

Overview

This is a disclosed Xpoz social-media search and CSV-export skill with supply-chain and bulk-export privacy considerations, but the inspected artifact does not show hidden, destructive, or deceptive behavior.

Before installing, verify you trust the mcporter npm package, the Xpoz service, and the xpoz-setup skill. Treat generated CSV download links as potentially sensitive bulk datasets, especially for lead generation or regulated research, and avoid sharing or retaining exports longer than needed.

A.I.G

Vulnerability Patterns

Insecure DependenciesIntroduces malicious components through unsafe dependency sources
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

Findings (1)

T08 · Insecure Dependencies

Warning

Location: SKILL.md:7
Finding: Unpinned Executable Dependency and Unreviewed External Setup Skill
Content: View full analysis
Remediation: View remediation

SkillSpector

Vulnerability Patterns

MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
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 (2)

Missing User Warnings

Medium

Category: Not specified by scanner
Confidence: 92% confidence
Finding: The skill states that every search automatically generates a CSV export and a downloadable URL, but it does not warn users that searches may create persistent bulk datasets containing potentially sensitive or regulated content. In an agent context, this can lead to unintentional mass data extraction, retention, and sharing beyond the user's immediate query, increasing privacy, compliance, and data leakage risk.
Content: No source excerpt is available for this finding.

Description-Behavior Mismatch

Medium

Category: Not specified by scanner
Confidence: 95% confidence
Finding: The manifest name and description frame the skill as a Twitter-specific capability focused on tweets, profiles, and conversations. However, the documented functionality explicitly extends to Instagram and Reddit searches, which materially broadens the skill beyond the stated Twitter-centric scope.
Content: No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.