summarize

Original：🇺🇸 English

Translated

Summarize URLs or files with the summarize CLI (web, PDFs, images, audio, YouTube).

3installs

Sourcesundial-org/awesome-openclaw-skills

Added on2026-04-01

NPX Install

npx skill4agent add sundial-org/awesome-openclaw-skills summarize

SKILL.md Content

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Summarize

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

Quick start

bash

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

json

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

Optional services:

```
FIRECRAWL_API_KEY
```
for blocked sites
```
APIFY_API_TOKEN
```
for YouTube fallback