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summarize

Summarize content from URLs, local PDFs, and YouTube videos via CLI.

1|Updated Feb 26, 2026
Search Tags:#pdf#cli#youtube#web content#information extraction#summarize
One-click install
npx skills add https://github.com/Devattom/.claude --skill summarize-devattom
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: summarize
Source: https://github.com/Devattom/.claude/tree/main/agents-global/summarize
Command: npx skills add https://github.com/Devattom/.claude --skill summarize-devattom

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill automates the process of condensing information from various sources like web pages, PDFs, audio files, and YouTube videos into concise summaries.

Core Features & Use Cases

  • URL Summarization: Quickly get the gist of any webpage.
  • Document Summarization: Extract key information from PDFs and other files.
  • Multimedia Summarization: Condense audio and video content from YouTube.
  • Use Case: You need to quickly understand the main points of a long research paper in PDF format or a lengthy YouTube tutorial without consuming the entire content.

Quick Start

Summarize the content of the URL https://example.com using the default model.

Frequently Asked Questions about summarize

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

FAQPage Schema
How do I summarize a YouTube video using a command-line interface?▼

To summarize a YouTube video via CLI, you provide the video URL to the tool along with the required API keys for your chosen AI provider. The service then extracts and condenses the multimedia content into a concise text summary.

Can I extract key information from a local PDF file automatically?▼

Yes, you can extract key information from local PDF files. The tool processes local documents and condenses them into summaries, allowing you to quickly grasp the main points of lengthy research papers or PDF documents.

What API keys do I need to summarize web content and PDFs?▼

You need specific API keys for your chosen AI provider to summarize web content and PDFs. Optional enhanced data extraction services may require additional API keys for improved output quality.

How do I control the output length when summarizing web pages?▼

You can control the output length when summarizing web pages by using specific command-line flags. The tool offers flags for output length and token limits, letting you define the desired conciseness of the extraction.

Does the URL summarizer support audio file extraction?▼

Yes, the summarizer supports audio file extraction. Along with web pages and PDFs, it can condense audio content into text summaries, requiring the appropriate provider API keys to process the multimedia input.

Are there limitations when extracting information from large YouTube videos?▼

When extracting information from large YouTube videos, you may encounter token limits. You can manage these limitations by using the tool's specific flags for token limits and output length to ensure successful summarization.

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