youtube-watcher

Fetch YouTube video transcripts from URLs for text analysis.

56|20|Updated Mar 26, 2026
One-click install
npx skills add https://github.com/markster-public/markster-os --skill youtube-watcher-markster-public
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: youtube-watcher
Source: https://github.com/markster-public/markster-os/tree/main/skills/youtube-watcher
Command: npx skills add https://github.com/markster-public/markster-os --skill youtube-watcher-markster-public

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It solves the problem of converting YouTube video content into text so you can summarize, ask questions, and extract specific information without manually watching the entire video.

Core Features & Use Cases

  • Transcript fetching: Retrieves available YouTube transcripts (closed captions or auto-generated subtitles) using the provided video URL.
  • Summarization and Q&A readiness: Returns transcript text suitable for downstream analysis, including answering questions and extracting quotes or facts.
  • Topic and data extraction: Extracts targeted details (e.g., pricing commentary, statistics, or specific segments) from one or more videos.

Quick Start

Use youtube-watcher with a YouTube URL to fetch the transcript text and immediately summarize the main points.

Frequently Asked Questions about youtube-watcher

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

FAQPage Schema
How do I extract a transcript from a YouTube video?

To extract a YouTube transcript, you provide a valid video URL to fetch the available closed captions or auto-generated subtitles, which returns the text for further processing. This enables summarization and question answering without manual viewing.

Can I get a YouTube transcript summary without watching the video?

Yes, you can get a YouTube transcript summary without watching the video by fetching the subtitle text and processing it for main points. The fetched transcript text is specifically suited for downstream analysis and immediate summarization.

Do I need closed captions to extract text from a YouTube video?

You need either closed captions or auto-generated subtitles to extract text from a YouTube video. The transcript fetching process depends on the availability of these subtitle options to successfully return the video's text content.

What's the best way to compare multiple YouTube videos on the same topic?

The best way to compare multiple YouTube videos on the same topic is to fetch the transcript text from each video URL and analyze the extracted content. This allows direct comparison of facts and quotes without manual viewing.

Can I extract specific facts and quotes from YouTube captions?

You can extract targeted details like facts and quotes from YouTube captions by fetching the transcript text and applying question answering or data extraction. This enables retrieving specific segments, pricing commentary, or statistics from the video.

Why does YouTube video analysis fail for some videos?

YouTube video analysis fails for some videos when closed captions or auto-generated subtitles are unavailable. The transcript fetching process requires these subtitle options to be present to successfully return text for content extraction.