Master SEO with Authority Mark: AI Skill for Claude & Codex
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Master SEO with Authority Mark: AI Skill for Claude & Codex
This AI skill leverages the Authority Mark method to evaluate SEO keyword difficulty, helping developers assess their website’s competitive standing directly from the current SERP results.
What this skill does
Analyzes live SERP data for a specific keyword query.
Collects Ahrefs Domain Ratings (DR) for the top organic ranking domains.
Compares the user's domain rating against these top-ranking domains.
Identifies the first top-10 ranking position where the user's DR is higher than that of the competing sites.
Provides an actionable threshold for entering the SERP based on current authority openings.
Who it is for
This skill benefits developers and SEO teams using AI coding agents like Claude Code, Cursor, and Codex, aiming to better understand and leverage SEO keyword difficulty metrics.
Use cases
Developers optimizing websites for search visibility by actively identifying authority openings in SERPs.
Teams prioritizing SEO efforts based on concrete domain authority comparisons rather than generalized difficulty scores.
Businesses assessing new keyword opportunities with a focus on their competitive standing against existing top-ranking websites.
Technical details
Integrates with Ahrefs to fetch Domain Ratings (DR) for competing domains.
Employs AI-supported agent capabilities within Claude Code and Codex environments.
Relies on publicly available information from live SERP assessments.
Note: Users must comply with the terms of use of each SERP data source. This skill targets publicly available information only and does not bypass authentication or CAPTCHA.
Source & Licence
This package is built on open-source work published by marketingskills (marketingskills/seo) and distributed under MIT. The original licence text and copyright notice are included in your download.
Personal and commercial use, modification and redistribution are permitted, provided the original copyright and licence notice are retained.
Your purchase covers curation, licence verification, packaging, documentation and instant delivery. It does not grant exclusive rights to the underlying open-source code, which remains available under its original licence.
Delivery & Support
Delivery: instant — a secure download link is emailed to you as soon as payment is confirmed.
Format: ZIP archive containing the skill files, documentation and the original licence.
Updates: updates are included only where stated on this page.
Refunds
This is a digital product delivered immediately after purchase. By completing your order you request immediate delivery and acknowledge that, once the download has been accessed, the statutory right to cancel no longer applies to the extent permitted by law. Refund requests are handled in accordance with our published Refund Policy.
Claude, Codex, Gemini and Cursor are trademarks of their respective owners. MCP Cart is an independent marketplace and is not affiliated with, endorsed by, or sponsored by any of them. Compatibility references describe interoperability only.