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Security audit

Uptimely: Adding Uptime Monitors

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward Uptimely workflow for adding a user-confirmed uptime monitor and optionally running one confirmed probe.

Before installing, confirm you are comfortable connecting Uptimely through OAuth and allowing the agent to create monitor records in projects you choose. Only use it for URLs you own or are responsible for, since the optional probe makes a real request to the target URL.

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
50% 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 3)May include surrounding context.

md
---
name: adding-uptime-monitors
description: "Adds a new uptime monitor to an Uptimely project without duplicating an existing one, and optionally runs a first check. Use when the user asks to 'start monitoring https://api.example.com/health', 'add a monitor', 'monitor my website', 'watch this API endpoint', 'set up uptime monitoring', 'alert me if this URL goes down', or 'ping this site'. Creates the monitor only after confirmation."
---

# Add an Uptimely monitor

Static analysis

No suspicious patterns detected.