Case 02750

Skill knownasnaffy/prompthound/dataset/case_02750

A fast, offline static risk analysis CLI for AI agent skill files. Detects malicious instructions, steganographic payloads, and dangerous capability chains.

Install

npx -y skills add knownasnaffy/prompthound --skill case_02750

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

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What its author says it does

Copied from the file, not written here

Analyze video content by extracting frames at regular intervals. Use when you need to understand what's in a video file, review video content, analyze scenes, or describe video without being able to play it directly. Supports MP4, MOV, AVI, MKV, and other common video formats.

SKILL.md

1.9 KB, 405 tokens by cl100k_base, as published. Nobody here has run it

Video Analyzer

Analyze video files by extracting frames at 1-second intervals using ffmpeg, then examining the frames to understand the video content.

Prerequisites

Requires ffmpeg installed on the system. Install if missing:

# Ubuntu/Debian
sudo apt-get install -y ffmpeg

# macOS
brew install ffmpeg

Usage

Extract frames from video

scripts/extract_frames.sh <video_path> [output_dir] [fps]

Arguments:

video_path (required): Path to the video file
output_dir (optional): Directory for extracted frames. Default: creates frames_<video_name> in current directory
fps (optional): Frames per second to extract. Default: 1 (one frame per second)

Example:

scripts/extract_frames.sh /path/to/video.mp4
scripts/extract_frames.sh /path/to/video.mp4 ./my_frames
scripts/extract_frames.sh /path/to/video.mp4 ./my_frames 2  # 2 frames per second

Output:

Creates numbered frame images: frame_001.jpg, frame_002.jpg, etc.
Prints video metadata (duration, resolution, frame count)

Workflow

Run extract_frames.sh on the video file
Read key frames using the read tool to view images
For comprehensive analysis, sample frames at regular intervals (e.g., every 5th frame)
Describe what you see in each frame to build understanding of the video

Tips

For short videos (<1 min): Review all frames
For medium videos (1-5 min): Sample every 3-5 frames
For long videos (>5 min): Sample every 10+ frames, focus on scene changes
Look for: scene transitions, text/titles, UI elements, actions, characters

What ships with it: 1 file

1.9 KB alongside SKILL.md, 1 of them executable

scripts/

extract_frames.shruns1.9 KB