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summarize-cli

Summarize and extract text from URLs, local files, and YouTube transcripts.

1|1|Updated Feb 15, 2026
Search Tags:#summarization#cli#youtube#transcription#content extraction#url
One-click install
npx skills add https://github.com/yunseo-kim/agent-toolbox --skill summarize-cli
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: summarize-cli
Source: https://github.com/yunseo-kim/agent-toolbox/tree/main/catalog/skills/summarize-cli
Command: npx skills add https://github.com/yunseo-kim/agent-toolbox --skill summarize-cli

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the process of summarizing or extracting text from various sources like web pages, local files, and YouTube videos, saving users time and effort in understanding content.

Core Features & Use Cases

  • Content Summarization: Generates concise summaries of articles, web pages, and video transcripts.
  • Transcript Extraction: Extracts transcripts from YouTube videos.
  • Versatile Input: Supports URLs, local file paths (including PDFs), and YouTube links.
  • Configurable Output: Allows control over summary length and output format (e.g., JSON).

Quick Start

Use the summarize-cli skill to summarize the content of the URL https://example.com.

Frequently Asked Questions about summarize-cli

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

FAQPage Schema
How do I summarize YouTube video transcripts from a URL?▼

You can extract and summarize YouTube transcripts by passing the video URL to the CLI, which fetches the transcript and processes it with an AI model to generate a concise summary.

Can I summarize local files and PDFs using a command line tool?▼

Yes, you can summarize local files and PDFs by providing their local file paths to the CLI, which extracts text content and generates an AI-powered summary.

Do I need API keys to extract text from web pages and URLs?▼

Yes, you need API keys for supported AI services to extract and summarize text from URLs, and optional service tokens enable enhanced extraction capabilities.

What is the best way to configure the output length of a content summary?▼

The best way to configure content summary output length is by using the tool's configurable output settings, which allow control over summary length and formats like JSON.

Does URL content summarization support multiple AI providers?▼

Yes, URL content summarization supports multiple AI providers, allowing you to choose your preferred AI service for generating summaries and extracting text.

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