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Security audit

Claw Calendar Skill

Security checks for vulnerabilities and agentic risk

Overview

This is a straightforward Claw Calendar helper that uses a user-provided API key to list and create calendars and events.

Install only if you trust Claw Calendar with the calendar data you connect. Keep the API key private, verify the API URL before use, and review commands that create calendars, events, reminders, or print subscription links.

SkillSpector

Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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)

Vague Triggers

Medium
Confidence
82% confidence
Finding
The invocation guidance says to use the skill whenever a user needs to manage calendars, create events, set reminders, or subscribe to calendars, which is broad and lacks tighter guardrails such as requiring explicit user intent to perform external side effects. In a skill that can create remote calendars and events via API, vague triggers can cause over-invocation and unintended writes to the user's calendar service.

Static analysis

No suspicious patterns detected.