SEO Validation Skill

Overview

SEO Validator works by fetching and parsing a web page, then evaluating its on-page SEO signals — title, meta description, H1 structure, canonical link, mobile viewport, image alt text and external-link rel attributes. It returns each check as a structured field, a list of issues to fix, and a weighted 0-100 score with an A–F grade so you can gauge a page's SEO health at a glance.

Live Test SEO Validation Skill Skill →

The tool

Once your client is connected to the VerveKit server, this appears in its tool list as SEOValidationSkill. It is read-only and open-world — it fetches and never mutates anything on your side — so most clients call it without asking you to confirm.

{
  "name": "SEOValidationSkill",
  "arguments": {
    "url": "https://www.example.com"
  }
}

You do not name the tool yourself; the model picks it. Asking about https://www.example.com in the terms this skill covers is enough for it to reach for SEOValidationSkill on its own — naming it explicitly also works, and is the way to force the call.

Connecting

One server URL covers every skill in the catalog, including this one. Authorization is OAuth: the client opens a browser once, and there is no key to paste into a config file.

{
  "mcpServers": {
    "vervekit": {
      "url": "https://api.vervekit.com/v1/mcp"
    }
  }
}

https://api.vervekit.com/v1/mcp

Per-client setup — Claude, Cursor, VS Code, ChatGPT — is on the MCP setup page.

Arguments

These are the properties on the tool's inputSchema, so a well-behaved client validates them before the call is made. Premium arguments are accepted on every plan but only take effect on plans that include them.

What the model gets back

The result carries a structuredContent object matching the tool's declared outputSchema, so a client reads fields without parsing prose. status is "ok" and error is null on success; a null field means the value was not available for that input, not that the call failed.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

{
  "status": "ok",
  "error": null,
  "data": {
    "url": "https://apiverve.com",
    "passed": false,
    "issueCount": 6,
    "issues": [
      "Image missing 'alt' attribute: '/assets/img/hero-diagram.png'",
      "Image missing 'alt' attribute: '/assets/img/logo-mark.svg'",
      "External link missing 'rel' attribute: 'https://twitter.com/apiverve'",
      "External link missing 'rel' attribute: 'https://github.com/apiverve'",
      "External link missing 'rel' attribute: 'https://status.apiverve.com'",
      "Missing meta 'keywords' tag in head"
    ],
    "checks": {
      "hasTitle": true,
      "titleLength": 54,
      "hasMetaDescription": true,
      "metaDescriptionLength": 158,
      "hasMetaKeywords": false,
      "h1Count": 1,
      "hasCanonical": true,
      "hasViewport": true,
      "imagesTotal": 8,
      "imagesMissingAlt": 2,
      "externalLinksTotal": 10,
      "externalLinksMissingRel": 3
    },
    "seoScore": 93,
    "grade": "A"
  }
}

Response fields

Paths are relative to data. Premium fields are absent rather than zeroed on plans that do not include them, so check for presence instead of comparing to 0.

Failure modes

Errors come back as tool errors carrying a sentence the model can act on, not a bare status code. Error handling covers the full list.

A call costs 10 credits each time the tool actually runs; a model that reasons about the tool without calling it costs nothing.

Use cases

CMS Publishing Check

Before publishing a blog post, CMS editors verify that title tags, meta descriptions, and image alt text meet basic standards.

Staging Site Audits

When deploying a site update, QA engineers test generated landing pages to catch missing canonical tags and duplicate H1 headings.

Agency Client Onboarding

Marketing agencies inspect client websites to list total issue counts and flag external links lacking security rel attributes.

Ecommerce Catalog Monitoring

To keep product catalogs discoverable, ecommerce platforms scan merchant pages to detect missing image descriptions and absent viewport configurations.

Other ways to use SEO Validation Skill

Set up SEO Validation Skill on VerveKit, or reach the same source a different way. Your VerveKit account and credits work on all of them — one key, one balance.

Related

More in Data Validation: