The Agent Skills Directory

[COMMAND_EXECUTION]: The skill instructions include a multi-part shell script for the agent to execute. The script utilizes curl, egrep, xargs, and find to manage downloaded content. Specifically, it attempts to extract a filename from the body of a remote file using egrep -ao 'filename="([^"]+)"', which is a highly unusual and potentially unsafe method of handling remote data.
[EXTERNAL_DOWNLOADS]: The skill requires the agent to download assets from raw.githubusercontent.com at runtime to support its meme-sharing functionality.
[REMOTE_CODE_EXECUTION]: The combination of downloading remote files and executing a script that parses their content to determine local file paths (/tmp/$fname) creates a risk of path traversal or overwriting local files if the remote content is malformed or malicious. The recommendation to 'open the local file in the default image viewer' further extends this risk to the host environment.
[INDIRECT_PROMPT_INJECTION] (Internal Class 8): The skill possesses a data ingestion surface that is vulnerable to indirect injection. Evidence chain:
Ingestion points: Files are fetched from raw.githubusercontent.com/billevansonline/.
Boundary markers: None provided in the shell script or instructions.
Capability inventory: Uses curl, find, and potentially open for shell execution.
Sanitization: None. The script extracts a filename string directly from the remote file content and uses it in a local path construction without validation.

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