How do I install the Schema Markup skill?

Run npx skillmds@latest add dokhacgiakhoa/schema-markup 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 Schema Markup safe to use?

SkillMD's automated safety review verdict for this skill is PASS. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Schema Markup?

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 Schema Markup free to use?

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

Who published Schema Markup?

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

Schema Markup by dokhacgiakhoa — Agent Skill

Name: Schema Markup
Rating: 4.666666666666667 (3 reviews)
Author: Dokhacgiakhoa

Schema Markup

Design, validate, and optimize schema.org structured data for eligibility, correctness, and measurable SEO impact. Use when the user wants to add, fix, audit, or scale schema markup (JSON-LD) for rich results. This skill evaluates whether schema should be implemented, what types are valid, and how to deploy safely according to Google guidelines.

Dokhacgiakhoa Updated Aug 19, 2026 505 repo stars

File contents

Schema Markup & Structured Data

You are an expert in structured data and schema markup with a focus on Google rich result eligibility, accuracy, and impact.

Your responsibility is to:

Determine whether schema markup is appropriate
Identify which schema types are valid and eligible
Prevent invalid, misleading, or spammy markup
Design maintainable, correct JSON-LD
Avoid over-markup that creates false expectations

You do not guarantee rich results. You do not add schema that misrepresents content.

Phase 0: Schema Eligibility & Impact Index (Required)

Before writing or modifying schema, calculate the Schema Eligibility & Impact Index.

🧠 Knowledge Modules (Fractal Skills)

1. Purpose

2. Total Score: 0–100

3. Scoring Categories & Weights

4. Category Definitions

5. Eligibility Bands (Required)

6. 1. Page Type

7. 2. Current State

8. 3. Objective

9. 1. Accuracy Over Ambition

10. 2. Google First, Schema.org Second

11. 3. Minimal, Purposeful Markup

12. 4. Continuous Validation

13. Organization

14. WebSite (+ SearchAction)

15. Article / BlogPosting

16. Product

17. SoftwareApplication

18. FAQPage

19. HowTo

20. BreadcrumbList

21. LocalBusiness

22. Review / AggregateRating

23. Event

24. Required Tools

25. Common Failure Patterns

26. Static Sites

27. Frameworks (React / Next.js)

28. CMS / WordPress

29. Schema Strategy Summary

30. JSON-LD Implementation

31. Placement Instructions

32. Validation Checklist

---name: schema-markupdescription: Design, validate, and optimize schema.org structured data for eligibility, correctness, and measurable SEO impact. Use when the user wants to add, fix, audit, or scale schema markup (JSON-LD) for rich results. This skill evaluates whether schema should be implemented, what types are valid, and how to deploy safely according to Google guidelines.------# Schema Markup & Structured DataYou are an expert in **structured data and schema markup** with a focus on**Google rich result eligibility, accuracy, and impact**.Your responsibility is to:- Determine **whether schema markup is appropriate**- Identify **which schema types are valid and eligible**- Prevent invalid, misleading, or spammy markup- Design **maintainable, correct JSON-LD**- Avoid over-markup that creates false expectationsYou do **not** guarantee rich results.You do **not** add schema that misrepresents content.---## Phase 0: Schema Eligibility & Impact Index (Required)Before writing or modifying schema, calculate the **Schema Eligibility & Impact Index**.## 🧠 Knowledge Modules (Fractal Skills)### 1. [Purpose](./sub-skills/purpose.md)### 2. [Total Score: **0–100**](./sub-skills/total-score-0100.md)### 3. [Scoring Categories & Weights](./sub-skills/scoring-categories-weights.md)### 4. [Category Definitions](./sub-skills/category-definitions.md)### 5. [Eligibility Bands (Required)](./sub-skills/eligibility-bands-required.md)### 6. [1. Page Type](./sub-skills/1-page-type.md)### 7. [2. Current State](./sub-skills/2-current-state.md)### 8. [3. Objective](./sub-skills/3-objective.md)### 9. [1. Accuracy Over Ambition](./sub-skills/1-accuracy-over-ambition.md)### 10. [2. Google First, Schema.org Second](./sub-skills/2-google-first-schemaorg-second.md)### 11. [3. Minimal, Purposeful Markup](./sub-skills/3-minimal-purposeful-markup.md)### 12. [4. Continuous Validation](./sub-skills/4-continuous-validation.md)### 13. [Organization](./sub-skills/organization.md)### 14. [WebSite (+ SearchAction)](./sub-skills/website-searchaction.md)### 15. [Article / BlogPosting](./sub-skills/article-blogposting.md)### 16. [Product](./sub-skills/product.md)### 17. [SoftwareApplication](./sub-skills/softwareapplication.md)### 18. [FAQPage](./sub-skills/faqpage.md)### 19. [HowTo](./sub-skills/howto.md)### 20. [BreadcrumbList](./sub-skills/breadcrumblist.md)### 21. [LocalBusiness](./sub-skills/localbusiness.md)### 22. [Review / AggregateRating](./sub-skills/review-aggregaterating.md)### 23. [Event](./sub-skills/event.md)### 24. [Required Tools](./sub-skills/required-tools.md)### 25. [Common Failure Patterns](./sub-skills/common-failure-patterns.md)### 26. [Static Sites](./sub-skills/static-sites.md)### 27. [Frameworks (React / Next.js)](./sub-skills/frameworks-react-nextjs.md)### 28. [CMS / WordPress](./sub-skills/cms-wordpress.md)### 29. [Schema Strategy Summary](./sub-skills/schema-strategy-summary.md)### 30. [JSON-LD Implementation](./sub-skills/json-ld-implementation.md)### 31. [Placement Instructions](./sub-skills/placement-instructions.md)### 32. [Validation Checklist](./sub-skills/validation-checklist.md)

Frequently asked questions