hypercerts

Warn

Audited by Gen Agent Trust Hub on Jul 28, 2026

Risk Level: MEDIUMCOMMAND_EXECUTIONEXTERNAL_DOWNLOADSREMOTE_CODE_EXECUTIONPROMPT_INJECTION
Full Analysis
  • [COMMAND_EXECUTION]: The skill executes shell commands to install external packages using the npx skills add command. It explicitly instructs the agent to include the --yes flag to bypass user confirmation prompts during installation, particularly in automated or non-interactive environments.
  • [EXTERNAL_DOWNLOADS]: The skill maps user tasks to various GitHub repositories and URLs for downloading code, including sources outside the author's direct control, such as the GainForest/hyperindex repository.
  • [REMOTE_CODE_EXECUTION]: By automating the installation and execution of external skills from remote repositories without mandatory human review, the skill introduces a risk of remote code execution if the source repositories are compromised or contain malicious instructions.
  • [PROMPT_INJECTION]: The skill follows a 'meta-skill' pattern where it dynamically reads and follows instructions from an externally fetched SKILL.md file. This creates a surface for indirect prompt injection where the agent's behavior is directed by content fetched at runtime from external sources.
  • [DATA_EXPOSURE]: The installation workflow involves searching the user's entire home directory ($HOME) for specific file paths to locate installed skills, which grants the agent broad visibility into the user's file system structure.
Audit Metadata
Risk Level
MEDIUM
Analyzed
Jul 28, 2026, 03:20 PM
Security Audit — agent-trust-hub — hypercerts