summarize

Summarize URLs, transcripts, and local files with configurable length and JSON output.

Updated Apr 8, 2026
One-click install
npx skills add https://github.com/Jnuso/OpenClaw --skill summarize-jnuso
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: summarize
Source: https://github.com/Jnuso/OpenClaw/tree/main/skills/summarize
Command: npx skills add https://github.com/Jnuso/OpenClaw --skill summarize-jnuso

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This feature provides concise summaries for web pages, transcripts, and local documents, enabling quick understanding without reading full content.

Core Features & Use Cases

  • URL and document summarization: generate compact overviews from websites, PDFs, and text files.
  • YouTube transcripts: extract and summarize video transcripts for quick insights.
  • Configurable outputs: control length, format (JSON), and whether to extract transcripts or summarize raw text.

Quick Start

Summarize the article at a URL or the contents of a local file using the summarize CLI.

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 transcript?

To summarize a YouTube video transcript, you can use the summarize CLI to automatically extract the transcript text and generate a concise overview of the video content. It supports flags like --length to control output size.

What is the best way to extract text from URLs and local files?

The best way to extract text from URLs and local files is using the --extract-only flag in the summarize CLI, which pulls raw text from web articles, PDFs, and documents without generating an AI summary.

Can I use AI models from OpenAI, Anthropic, or Google Gemini to summarize documents?

Yes, you can summarize documents using AI models from providers like OpenAI, Anthropic, and Google Gemini. The tool leverages these models to provide concise overviews of web pages, transcripts, and local files.

How do I control the length and format of a web article summary?

You can control the length and format of a web article summary by using the --length flag to adjust size and the --json flag to output the summary as structured JSON data instead of plain text.

Does the summarize CLI support local PDFs and text files?

Yes, the summarize CLI supports local PDFs and text files. It can generate compact overviews directly from your local documents, enabling quick understanding without needing to read the full content.