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summarize

summarize

github.com/openclawProductivity393.3k26.9k installsUpdated today
Repository

About summarize

summarize is a CLI skill for summarizing URLs, local files, and YouTube links, aimed at people who need quick summaries or transcript extraction. It supports several model providers and configurable output formats.

Key features

  1. 01Summarize URLs and local files
  2. 02Summarize YouTube links
  3. 03Best-effort transcript extraction
  4. 04Adjustable summary length
  5. 05JSON and extracted-content output

Use cases

  1. 01Get a quick overview of an article
  2. 02Summarize a local PDF
  3. 03Extract a YouTube transcript
  4. 04Produce machine-readable summaries

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/openclaw/openclaw --skill summarize

After installing, type/summarizein Claude Code to confirm it loaded.

Details

From the project README

Summarize

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

When to use (trigger phrases)

Use this skill immediately when the user asks any of:

  • "use summarize.sh"
  • "what's this link/video about?"
  • "summarize this URL/article"
  • "transcribe this YouTube/video" (best-effort transcript extraction; no yt-dlp needed)

Quick start

summarize "https://example.com"
summarize "/path/to/file.pdf"
summarize "https://youtu.be/dQw4w9WgXcQ" --youtube auto

YouTube: summary vs transcript

Best-effort transcript (URLs only):

summarize "https://youtu.be/dQw4w9WgXcQ" --youtube auto --extract

If the user asked for a transcript but it's huge, return a tight summary first, then ask which section/time range to expand.

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 auto; config may choose the provider/model.

Useful flags

  • --length short|medium|long|xl|xxl|<chars>
  • --max-output-tokens <count>
  • --extract (print extracted content, no LLM summary)
  • --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

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