url-metadata-fetcher

name	URL Metadata Fetcher
slug	url-metadata
description	Fetch Open Graph tags, title, description, favicon, and canonical URL from any webpage. Use when agents need to generate link previews, crawl content metadata, or extract SEO information from URLs.
category	Utilities
tags	["url","metadata","opengraph","seo","link-preview"]
price_per_call	0
input_schema	{"type":"object","properties":{"url":{"type":"string","description":"URL to fetch metadata from"}},"required":["url"]}
output_schema	{"type":"object","properties":{"title":{"type":"string"},"description":{"type":"string"},"og_image":{"type":"string"},"favicon":{"type":"string"}}}
metadata	{"requires":{"env":["CLAW0X_API_KEY"]}}

URL Metadata Fetcher

Get Open Graph tags, title, description, favicon, Twitter Card data, and canonical URL from any webpage. Perfect for link preview generation and SEO analysis.

Prerequisites

1. Sign up at claw0x.com
2. Create API key in Dashboard
3. Set environment variable: export CLAW0X_API_KEY="ck_live_..."

Quick Reference

When This Happens	Do This	What You Get
Generate link preview	Send URL	Title + image + description
SEO audit	Send page URL	OG tags + canonical + language
Content crawling	Send article URL	Full metadata extraction

Example Usage

curl -X POST https://api.claw0x.com/v1/call \
  -H "Authorization: Bearer $CLAW0X_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"skill": "url-metadata", "input": {"url": "https://github.com"}}'

Extracted Fields

title, description, og_title, og_description, og_image, og_type, og_site_name, twitter_card, twitter_title, twitter_description, twitter_image, favicon, canonical, language, author.

Pricing

FREE. No charge per call.

• Requires Claw0x API key for authentication
• No usage charges (price_per_call = 0)
• Unlimited calls