schema-markup
Add Valid Schema Markup to Web Pages
Search engines need structured data that matches visible page content. This skill guides JSON-LD schema selection, implementation, validation, and troubleshooting.
Install with my Agent
Copy this request to your Agent. It includes the canonical Skill page and manifest.
Review the Skillstore skill "schema-markup" from https://skillstore.io/skills/coreyhaines31-schema-markup.md and its manifest at https://skillstore.io/api/skills/coreyhaines31-schema-markup/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.Your Agent should still show its plan and request any confirmation required by the security policy.
Agent-readable resources
Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.
Test it
Using "schema-markup". A SaaS pricing page needs structured data for the main product and company.
Expected outcome:
- Recommended SoftwareApplication and Organization markup.
- Required fields include name, offers, application category, URL, and publisher details.
- Validation notes cover visible price matching, stable URLs, and rich result eligibility limits.
Using "schema-markup". A blog article has errors for missing publisher logo and date modified.
Expected outcome:
- The audit identifies missing publisher logo data and recommends adding date modified when the article changes.
- It also checks headline, image, author, description, and main page identity fields.
- The response includes a testing checklist for rich result and schema validation tools.
Using "schema-markup". A local business page needs stronger eligibility for local search features.
Expected outcome:
- The plan recommends LocalBusiness markup with name, address, telephone, hours, image, and geographic details.
- It warns against adding reviews or ratings that are not visible on the page.
Security Audit
SafeThe static findings are false positives from markdown syntax, JSON-LD examples, placeholder URLs, and validation references. No executable command use, network data transfer, reconnaissance instruction, or prompt injection was found in SKILL.md.
Risk Factors
โ๏ธ External commands (28)
๐ Network access (49)
Share & cite this report
Share the versioned assessment report, neutral badge, embed card, and citations. Skillstore reports evidence without deciding whether this Skill is safe.
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https://skillstore.io/skills/coreyhaines31-schema-markup/audits/4?utm_source=security_passport&utm_medium=share&utm_campaign=versioned_reportMarkdown badge
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<a href="https://skillstore.io/skills/coreyhaines31-schema-markup?utm_source=security_passport_badge"><img src="https://skillstore.io/badges/skills/coreyhaines31-schema-markup/security.svg" alt="Skillstore security assessment" loading="lazy"></a>Embed card
<iframe src="https://skillstore.io/embed/skills/coreyhaines31-schema-markup.html" title="Skillstore Security Assessment" sandbox="allow-popups allow-popups-to-escape-sandbox" loading="lazy" referrerpolicy="no-referrer" width="420" height="180"></iframe>Academic citations (APA ยท BibTeX ยท CFF)
APA citation
coreyhaines31. (2026). schema-markup security audit report (audit version 4) [Author version unspecified]. Skillstore. https://skillstore.io/skills/coreyhaines31-schema-markup/audits/4BibTeX citation
@techreport{coreyhaines31-coreyhaines31-schema-markup-2026,
author = {coreyhaines31},
title = {schema-markup security audit report (audit version 4)},
institution = {Skillstore},
year = {2026},
number = {4},
url = {https://skillstore.io/skills/coreyhaines31-schema-markup/audits/4},
note = {Author version unspecified}
}CITATION.cff
cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "schema-markup security audit report (audit version 4)"
version: "unspecified"
type: report
authors:
- name: "coreyhaines31"
date-released: "2026-07-06"
url: "https://skillstore.io/skills/coreyhaines31-schema-markup/audits/4"
identifiers:
- type: other
value: "skillstore:coreyhaines31-schema-markup:audit:4"
description: "Skillstore immutable audit report identifier"
Compare variants
2 installable variantsEach author remains a separate installable skill. The recommended variant is ranked by Skillstore evidence.
Why this variant is first
sickn33-schema-markup
2026-08-21
coreyhaines31-schema-markup
2026-08-21
Skillstore Score
Why this score Evidence Confidence: HighWhat You Can Build
Launch Product Schema
Create product structured data with offers, availability, ratings, and visible page details.
Improve Article Eligibility
Map blog or news content to article markup with author, image, publisher, and dates.
Fix Validation Errors
Review structured data issues and prepare updates for testing in validation tools.
Try These Prompts
Review this page description and recommend the best schema.org type. Explain required fields and any rich result limits.
Create JSON-LD schema for this page using only the visible content and data I provide. Include placement and validation notes.
Audit this existing schema markup against the visible page content. List missing fields, mismatches, warnings, and recommended fixes.
Design a connected schema graph for this page. Include entity relationships, stable identifiers, implementation placement, and a testing checklist.
Best Practices
- Match every schema field to visible or authoritative page content.
- Use JSON-LD and validate changes before publishing them.
- Keep markup updated when prices, dates, ratings, hours, or page content change.
Avoid
- Do not mark up content that users cannot see on the page.
- Do not add self-serving reviews or ratings that violate search guidelines.
- Do not copy generic examples without replacing placeholder data with real page data.
Frequently Asked Questions
What does this skill help create?
Does it guarantee rich snippets?
Can it fix existing schema errors?
Which schema types are covered?
What information should I provide?
Can Claude Code or Codex use this skill?
Developer Details
Author
coreyhaines31License
MIT
Skillstore revision
r1
Version notice
The author did not declare a version.
Ref
d11af420e07cd866fe39cfa937efef3223896c06
Maintenance freshness
7/18/2026
Usage
7 downloads ยท 208 views
File structure
๐ SKILL.md