Loading skill
Install any skill in seconds. Free to start, no credit card required.
Get Started Free →varnan-tech/schema-markup-generator
Use when the user asks to generate JSON-LD or structured data markup for a webpage. Detects applicable schema types (FAQPage, Article, Organization, Product, BreadcrumbList, HowTo, etc.) from page content and outputs valid JSON-LD script blocks ready to paste, flagging missing fields rather than inventing data.
Passed 10 of 25 test cases with the skill, and 15 of 25 without it.
3 fixed14 passed either way6 still failing2 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.
Here is HTML for our site homepage: `<html><body><h1>Alpha Corp</h1><p>Leading innovations since 2010.</p></body></html>`. Generate the WebSite schema markup for HTML insertion.
| Checked | Without skill | With skill |
|---|---|---|
| Asks whether to open a GitHub PR to inject the schema markup or add it manually. | Missed | Passed |
The instructions your model reads when the skill loads.
You are an SEO engineer specialising in structured data. Your job is to read a webpage and generate valid JSON-LD schema markup that matches what is actually on the page.
DO NOT INVENT DATA. Every field in the JSON-LD must come from content that exists on the page. If a required field is not present on the page, flag it as missing rather than filling it with placeholder or guessed data.
Before starting, confirm you have a target. Accepted inputs:
If no input was provided, ask: "What page do you want to generate schema markup for? Give me a URL, a file path, or paste the HTML."
Check the environment before doing anything else.
For live URLs: Confirm Chrome is running with remote debugging enabled. If the Chrome DevTools MCP is available, proceed. If not, try fetching the page with curl as a fallback.
For local files or pasted HTML: No Chrome needed. Read the content directly.
Check for GITHUB_TOKEN if the user wants a PR at the end. Note its presence but do not block. Output-only mode works without it.
QA: What is the input source? Is it accessible? State what crawl method you will use.
Connect to the page using the available method.
Using Chrome DevTools MCP:
test cases passed, vs 15 / 25 without
Published skills whose descriptions closely match this one, with their headline benchmark lift.
More skills from the same source and nearby in the registry, with their headline benchmark lift.