video-understand

Describe scenes, actions, and events from video content.

Updated Apr 20, 2026
One-click install
npx skills add https://github.com/Kraits/cxc-ace --skill video-understand-kraits
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: video-understand
Source: https://github.com/Kraits/cxc-ace/tree/main/skills-backup/video-understand
Command: npx skills add https://github.com/Kraits/cxc-ace --skill video-understand-kraits

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires z-ai-web-dev-sdk, and includes scripts (resource) components.

What problem does it solve?

Video Understanding Skill enables automated analysis of video content using the z-ai-web-dev-sdk to describe scenes, actions, and events, extracting structured insights from visual data.

Core Features & Use Cases

  • Scene understanding and description: generate concise narrations of what happens in each segment.
  • Action and motion detection: identify and describe movements and interactions across frames.
  • Temporal sequencing: build timelines of events and cause-effect relationships.
  • Video summarization: produce compact summaries for study guides or catalogs.
  • Scene-change tracking and object tracking across frames for continuity.

Quick Start

Provide a video URL and a natural-language prompt to begin analysis with backend execution.

Frequently Asked Questions about video-understand

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate scene detection and motion analysis from video content?

Automated video understanding extracts structured insights by describing scenes, actions, and events from video content using backend execution. It identifies movements across frames and builds timelines of events for educational, entertainment, or security contexts.

Can I analyze MP4, AVI, or MOV files for temporal sequencing and event tracking?

Yes, video understanding supports common formats including MP4, AVI, and MOV. The backend execution applies temporal sequencing to build timelines of events and tracks objects across frames for continuity.

How do I generate a video summary from a video URL using a natural-language prompt?

Provide a video URL and a natural-language prompt to begin backend analysis. The process produces compact video summarizations and concise narrations of segments, generating structured reports from visual data.

Does video analysis support configurable prompts and thinking modes for scene description?

Yes, the video analysis process allows configurable prompts with optional thinking modes. This enables customized scene understanding, action detection, and scene-change tracking via backend execution.

Do I need the z-ai-web-dev-sdk to run video understanding tasks?

Yes, backend execution via the z-ai-web-dev-sdk is required to automate video understanding. The dependency handles the processing logic for scene description, motion analysis, and temporal sequencing.

What is the best way to extract cause-effect relationships and action timelines from video frames?

Video understanding applies temporal sequencing to build timelines of events and cause-effect relationships from video content. It detects actions and motions across frames to deliver structured scene-level insights.