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Claude SEO Skills: Turn Claude Into an SEO and GEO Assistant

What Claude skills are, how they work in Claude Code and Claude apps, which SEO and GEO tasks they automate, and how to install a free open-source SEO skill pack.

Published on:
17/10/2026
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Updated on:
17/10/2026
Cover of the Sorank guide to Claude SEO skills, with a folder of skill files feeding an AI assistant that audits a website

Tools

Thibault Besson-Magdelain, founder of Sorank

About Author

Thibault Besson-Magdelain

Founder of Sorank, 7+ years of experience in SEO, GEO enthusiast.
On this page

In short

a Claude skill is a folder containing a SKILL.md file of instructions, plus optional scripts and references, that Claude loads only when a task needs it. For SEO, skills turn general advice into repeatable methods: a site audit checklist, an article template, a schema generator, a keyword mapping process. You can write your own or install an existing pack, such as the free, open-source Claude SEO GEO repository published by Sorank, then ask Claude in plain language to run an audit or write a page.

Want to go further? Ask

Large language models know a lot about SEO, but they apply it inconsistently from one conversation to the next. Claude SEO skills solve that by packaging a method once and reusing it every time. Anthropic describes the format in its documentation on Agent Skills.

What is a Claude skill?

A skill is a directory with at least one file, SKILL.md. Its header gives a name and a short description; its body contains the instructions. Claude reads only the descriptions at the start and loads a full skill when your request matches it, which keeps the context light even with many skills installed. A skill can also include:

  • Reference files: checklists, examples, tables of thresholds, brand rules.
  • Scripts: code Claude can run, for example to fetch a page and extract its tags.
  • Templates: page structures or JSON-LD blocks to adapt.

Skills work in Claude Code (the terminal agent), in the Claude apps where skills are enabled, and through the API. The format is open, and other agents that read instructions from disk can use the same files.

Which SEO and GEO tasks can skills handle?

TaskWhat the skill bringsHuman check
Technical auditA fixed checklist: indexing, canonicals, speed, AI crawler accessPrioritize the fixes
Keyword research and mappingOne keyword per page, intent, cannibalization checkValidate business value
Article writingAn answer-first structure, FAQ, sources, internal linksFacts and expertise
Product and category pagesTemplates for descriptions, filters and bottom textBrand tone
Structured dataReady JSON-LD for Article, Product, LocalBusiness, FAQTest in the Rich Results Test
Internal linkingRules for anchors and hub pagesSite structure decisions
GEO and AI visibilityPrompt lists, citable passages, entity consistencyMeasure over time

How do you install SEO skills in Claude Code?

Skills live in a skills folder, either for your user account (available in every project) or inside a project (shared with your team through the repository). You can copy folders there by hand, or install a pack published as a plugin. For example, the open-source Claude SEO GEO repository, maintained by the Sorank team, installs with two commands in Claude Code: add the marketplace, then install the plugin. Read any third-party skill before installing it, especially if it contains scripts: a skill runs with the permissions you give Claude.

The free Claude SEO GEO skill pack

Transparency: this repository is published by Sorank. It is free and open source. It contains 19 skills covering the main SEO and GEO jobs: site audit, technical SEO, keyword research, blog articles, product, service, category and comparison pages, schema markup, internal linking, local SEO, backlinks, traffic drop diagnosis, AI visibility and tracking, and social amplification, plus a skill to build an Obsidian knowledge vault that the others read before acting. Each skill is plain markdown, so you can read, adapt or remove any part of it.

How do you write your own SEO skill?

  1. Pick one repeatable task: "write a category page", not "do SEO".
  2. Write a precise description: it decides when Claude loads the skill, so name the triggers ("category page", "collection page", "PLP").
  3. Give the method as steps, with thresholds and examples rather than general advice.
  4. Add your rules: brand voice, forbidden phrases, required sections, link targets.
  5. Include a short good example of the expected output.
  6. Test on real pages, then refine the instructions where the output drifts.

What are the limits of Claude skills for SEO?

  • Skills improve consistency, not data: Claude still needs access to your analytics, Search Console or a crawler to see real numbers.
  • Facts must be checked: a skill can require sources, but a human should verify figures before publishing.
  • Publishing at scale without review risks low value pages, which Google treats as scaled content abuse.
  • Skills run when you ask; they do not monitor your site or publish on their own unless you build that automation.

Skills, MCP and SEO software: how do they fit together?

A skill tells Claude how to do a task; an MCP server gives Claude access to tools and data. The two combine well: a skill describes your audit method, and an MCP connection supplies Search Console data or publishes the article to your CMS. Sorank offers an MCP server that lets Claude read your Search Console, AI traffic and AI visibility data and manage your articles. If you prefer not to run anything yourself, the Sorank software applies the same methods on autopilot. Our guide to SEO automation with Claude Code shows a complete workflow.

Claude SEO skills turn good SEO and GEO methods into repeatable instructions that Claude applies the same way every time. Install a pack, adapt it to your rules, connect your data, and keep a human check on facts. To go further, explore agentic workflows or let Sorank run the full cycle for you, with a 3-day free trial.

Frequently asked questions

Are Claude skills the same as custom instructions or projects?

No. Custom instructions and project knowledge are always loaded in a conversation. A skill is loaded only when a request matches its description, and it can bundle scripts and reference files. This lets you install many specialized SEO skills without filling the context with instructions you do not need for the current task.

Do Claude SEO skills work outside Claude Code?

Skills are supported in Claude Code, in Claude apps where skills are enabled, and through the API. The format is open plain markdown, so agents such as Cursor, Codex or Gemini CLI that read instructions from disk can also use the same files, sometimes with small adjustments.

Is it safe to install SEO skills from GitHub?

It is safe if you read them first. A skill can include scripts that Claude may run with the permissions you grant, so review the files, prefer maintained repositories with a clear license, and keep approval prompts enabled for commands that modify files or publish content.

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