How do I install the Summarize skill?

Run npx skillmds@latest add avivsinai/summarize in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Summarize safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Summarize?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Summarize free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Summarize?

avivsinai (@avivsinai) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Summarize by avivsinai — Agent Skill

Name: Summarize
Author: avivsinai

File contents

Summarize Skill

Extract readable content from URLs — articles, YouTube videos, podcasts, and web pages.

When to Use

Use this skill when users:

Share a URL and want a summary or key points
Ask to "read", "summarize", or "extract" a web page
Paste a YouTube link and want transcript/content
Want to understand an article without visiting it

How to Summarize

Use the telclaude summarize CLI command via Bash:

# Basic usage — extract content from URL
telclaude summarize "https://example.com/article"

# Limit output size (default: 8000 characters)
telclaude summarize "https://example.com/article" --max-chars 4000

# Get markdown-formatted output
telclaude summarize "https://example.com/article" --format markdown

# Custom timeout (default: 30000ms)
telclaude summarize "https://example.com/article" --timeout 60000

Output Format

The command outputs structured metadata followed by the extracted content:

Title: Article Title Here
Site: example.com
Words: 1234
Transcript: youtube-captions     (only for video/audio content)
Note: Content was truncated      (only if content exceeded max-chars)
---
[Extracted text content here]

Supported Content Types

Articles/blog posts: HTML extraction via readability
YouTube videos: Automatic caption/transcript extraction
Podcasts: Audio transcript when available
General web pages: Best-effort content extraction

Options

Flag	Description	Default
`--max-chars <n>`	Maximum characters to extract	8000
`--format <fmt>`	Output format: `text` or `markdown`	text
`--timeout <ms>`	Request timeout in milliseconds	30000

Rate Limits

30 requests per hour per user
100 requests per day per user

Tips

For long articles, use --max-chars 16000 to get more content
Use --format markdown when the user wants formatted output with headings/links
YouTube URLs automatically extract captions — no special flags needed
If extraction fails, the URL may require JavaScript rendering (not currently supported)

---name: summarizedescription: Extracts and summarizes web content from URLs. Use when users share links or ask to summarize articles, YouTube videos, or web pages.---# Summarize SkillExtract readable content from URLs — articles, YouTube videos, podcasts, and web pages.## When to UseUse this skill when users:- Share a URL and want a summary or key points- Ask to "read", "summarize", or "extract" a web page- Paste a YouTube link and want transcript/content- Want to understand an article without visiting it## How to SummarizeUse the `telclaude summarize` CLI command via Bash:```bash# Basic usage — extract content from URLtelclaude summarize "https://example.com/article"# Limit output size (default: 8000 characters)telclaude summarize "https://example.com/article" --max-chars 4000# Get markdown-formatted outputtelclaude summarize "https://example.com/article" --format markdown# Custom timeout (default: 30000ms)telclaude summarize "https://example.com/article" --timeout 60000```## Output FormatThe command outputs structured metadata followed by the extracted content:```Title: Article Title HereSite: example.comWords: 1234Transcript: youtube-captions (only for video/audio content)Note: Content was truncated (only if content exceeded max-chars)---[Extracted text content here]```## Supported Content Types- **Articles/blog posts**: HTML extraction via readability- **YouTube videos**: Automatic caption/transcript extraction- **Podcasts**: Audio transcript when available- **General web pages**: Best-effort content extraction## Options| Flag | Description | Default ||------|-------------|---------|| `--max-chars <n>` | Maximum characters to extract | 8000 || `--format <fmt>` | Output format: `text` or `markdown` | text || `--timeout <ms>` | Request timeout in milliseconds | 30000 |## Rate Limits- 30 requests per hour per user- 100 requests per day per user## Tips- For long articles, use `--max-chars 16000` to get more content- Use `--format markdown` when the user wants formatted output with headings/links- YouTube URLs automatically extract captions — no special flags needed- If extraction fails, the URL may require JavaScript rendering (not currently supported)

Frequently asked questions

Summarize