schema-builder

schema-builder is a skill for Claude Code from VUVAX/press-rank. It costs 46 tokens per session (458 once invoked), scanned A, original, MIT.

A tool that creates JSON-LD structured data, a machine-readable description of an article or page, from its content. It supports formats such as articles, FAQs, step-by-step guides, and breadcrumbs.

In plain words
What is it for?
Use it when adding schema markup to a WordPress post, checking required fields, or preparing structured data for search results and AI systems.
Why use it?
It helps search engines and other software interpret page content without requiring you to write the markup by hand, while avoiding made-up details.

Skill for Claude Code

Written for Claude Code: when-to-use in frontmatter.

Part of the PressRank plugin — 7 skills, 8 commands shipped together

Good fit Use it when adding schema markup to a WordPress post, checking required fields, or preparing structured data for search results and AI systems.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/vuvax/press-rank/schema-builder
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add VUVAX/press-rank --skill schema-builder
Clone the repo
git clone --depth 1 https://github.com/VUVAX/press-rank

Made for: Claude Code.

Or install PressRank, the plugin that ships this one along with the rest of its 7 skills, 8 commands.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for schema-builder

README.md
[![agentmods](https://agentmods.dev/badge/skills/vuvax/press-rank/schema-builder.svg)](https://agentmods.dev/skills/vuvax/press-rank/schema-builder)
Your own site
<a href="https://agentmods.dev/skills/vuvax/press-rank/schema-builder"><img src="https://agentmods.dev/badge/skills/vuvax/press-rank/schema-builder.svg" alt="Measured on agentmods" height="20"></a>
Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 458 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00046 $0.00458
Opus 5 $0.00023 $0.00229
Sonnet 5 $0.00009 $0.00092
Haiku 4.5 $0.00005 $0.00046

Measured 7d ago against content hash ca83849806a9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

schema-builder scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/schema-builder/SKILL.md · 53 lines

What it actually says

Schema Builder

Generates valid JSON-LD that maps to the content and improves rich results plus AI parsing. Templates in templates/schema/.

Quick start

Generate schema markup for <draft or URL>

Instructions

  1. Detect types from the content:

    • Always: Article (or BlogPosting) + BreadcrumbList.
    • FAQ block present → FAQPage.
    • Step-by-step instructions → HowTo.
  2. Populate from front matter + body: headline, author, datePublished, dateModified, image, publisher, mainEntityOfPage.

  3. Placeholders, not fabrication. Use https://example.com/... and <Author Name> for unknown values. Never invent author identities, review counts, or ratings.

  4. Validate structure against the templates and against schema.org required fields. Output a single <script type="application/ld+json"> block.

  5. List required fill-ins the user must complete before going live.

Do not emit Review / AggregateRating unless real, verifiable ratings exist — fabricated ratings violate Google's structured-data policies.

Next best skill

/press:publish (schema injected into the post), or /press:audit.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 53 lines · 46 tokens per session scan A ca83849806a9

Subscribe to this mod's changes

schema-builder is a skill published in the GitHub repository VUVAX/press-rank (2 stars, last pushed 3mo ago), licensed MIT. It adds 46 tokens to every session and 458 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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