Setup & Installation

clawhub install summarize-backup

Or with OpenClaw CLI:

openclaw skills install summarize-backup

What This Skill Does

Summarize Backup is a Creative & Media skill that summarize URLs or files with the summarize CLI (web, PDFs, images, audio, YouTube)..

Summarize

Fast CLI to summarize URLs, local files, and YouTube links.

Quick start

summarize "https://example.com" --model google/gemini-3-flash-preview
summarize "/path/to/file.pdf" --model google/gemini-3-flash-preview
summarize "https://youtu.be/dQw4w9WgXcQ" --youtube auto

Model + keys

Set the API key for your chosen provider:

  • OpenAI: OPENAI_API_KEY
  • Anthropic: ANTHROPIC_API_KEY
  • xAI: XAI_API_KEY
  • Google: GEMINI_API_KEY (aliases: GOOGLE_GENERATIVE_AI_API_KEY, GOOGLE_API_KEY)

Default model is google/gemini-3-flash-preview if none is set.

Useful flags

  • --length short|medium|long|xl|xxl|<chars>
  • --max-output-tokens <count>
  • --extract-only (URLs only)
  • --json (machine readable)
  • --firecrawl auto|off|always (fallback extraction)
  • --youtube auto (Apify fallback if APIFY_API_TOKEN set)

Config

Optional config file: ~/.summarize/config.json

{ "model": "openai/gpt-5.2" }

Optional services:

  • FIRECRAWL_API_KEY for blocked sites
  • APIFY_API_TOKEN for YouTube fallback

Version History

Latest version: 1.0.0

First published: Mar 27, 2026. Last updated: Mar 27, 2026.

1 version released.

Frequently Asked Questions

Is Summarize Backup free to use?
Yes. Summarize Backup is a free, open-source skill available on the OpenClaw Skills Registry.
What platforms does Summarize Backup support?
It runs on any platform that supports OpenClaw, including macOS, Linux, and Windows.