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seo-schema

Detect and validate Schema.org structured data, then generate JSON-LD markup.

Updated Dec 29, 2025
Search Tags:#structured data#validation#seo#schema generation#schema.org#json-ld#rich results
One-click install
npx skills add https://github.com/Flexksx/alemar-capoeira-chisinau --skill seo-schema-flexksx
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: seo-schema
Source: https://github.com/Flexksx/alemar-capoeira-chisinau/tree/main/.claude/skills/seo-schema
Command: npx skills add https://github.com/Flexksx/alemar-capoeira-chisinau --skill seo-schema-flexksx

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

It helps you find missing or incorrect structured data and then produce valid Schema.org markup that improves eligibility for rich results.

Core Features & Use Cases

  • Detection: Checks page source for JSON-LD and alternative structured-data formats (Microdata and RDFa), then recommends JSON-LD as the primary format.
  • Validation: Verifies required properties, flags common JSON-LD issues (missing @context, invalid @type, wrong datatypes, placeholder text, relative URLs, invalid dates), and warns about deprecated types.
  • Generation: Generates ready-to-use JSON-LD for the correct schema types based on page content, ensuring output is truthful and verifiable.

Quick Start

Use seo-schema to analyze a page URL and generate a JSON-LD schema snippet based on the detected content type.

Frequently Asked Questions about seo-schema

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate JSON-LD structured data for a web page?▼

To generate JSON-LD structured data, the Skill scans your page content to detect the correct schema type and produces server-renderable JSON-LD markup that conforms to supported rich result schemas.

Why does my Schema.org markup fail rich results validation?▼

Schema.org markup fails rich results validation due to missing @context, invalid @type, wrong datatypes, relative URLs, placeholder text, or deprecated types, which this Skill detects and reports.

How do I check if a page has Microdata or RDFa structured data?▼

You can check for Microdata or RDFa structured data by scanning the page source; the Skill detects existing alternative formats and recommends JSON-LD as the primary format for SEO.

Can I validate Schema.org properties for articles and organizations without coding?▼

Yes, you can validate Schema.org properties for articles, organizations, and websites without coding by analyzing the page URL to verify required properties and flag invalid datatypes or missing contexts.

What is the best way to fix missing @context in JSON-LD schema?▼

The best way to fix missing @context in JSON-LD schema is to run a structured data audit that flags the issue and regenerates valid JSON-LD output with the correct @context declaration.

Does this structured data validator detect relative URLs in schema markup?▼

Yes, this structured data validator detects relative URLs in schema markup, reporting them as validation issues alongside invalid dates, placeholder usage, and deprecated types to ensure rich results eligibility.

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