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.
npx skills add viknesh20-20/claude-code-tool-kit --skill seo-scaffoldgit clone --depth 1 https://github.com/viknesh20-20/claude-code-tool-kitWrote 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.
[](https://agentmods.dev/skills/viknesh20-20/claude-code-tool-kit/seo-scaffold)<a href="https://agentmods.dev/skills/viknesh20-20/claude-code-tool-kit/seo-scaffold"><img src="https://agentmods.dev/badge/skills/viknesh20-20/claude-code-tool-kit/seo-scaffold/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/viknesh20-20/claude-code-tool-kit/seo-scaffold"><img src="https://agentmods.dev/badge/skills/viknesh20-20/claude-code-tool-kit/seo-scaffold.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00067 | $0.01483 |
| Opus 5.5 | $0.00027 | $0.00593 |
| Sonnet 5.5 | $0.00013 | $0.00297 |
| Haiku 4.5 | $0.00007 | $0.00148 |
Grade A, and why
seo-scaffold 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 1mo 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.
How it starts
The opening of the file, as written. The whole thing — 175 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/seo-scaffold
Generates the SEO essentials a website needs to rank, share well, and meet compliance. Wires them into the framework idiomatically so every new page inherits the defaults.
When to use
- New website project — set up SEO from the start.
- Existing site missing meta tags, sitemap, or structured data.
- Migrating from a framework that didn't have SEO baked in (e.g., CRA → Next.js).
- After
/web-launch-checkflagged SEO gaps.
What it produces
1. Site-wide meta defaults (in your layout / root component)
A single source of truth for site-level metadata, with per-page overrides:
<title>{{ pageTitle }} — {{ siteName }}</title>
<meta name="description" content="{{ pageDescription }}">
<link rel="canonical" href="{{ canonicalUrl }}">
<!-- Open Graph -->
<meta property="og:type" content="{{ ogType | website }}">
<meta property="og:title" content="{{ pageTitle }}">
<meta property="og:description" content="{{ pageDescription }}">
<meta property="og:url" content="{{ canonicalUrl }}">
<meta property="og:image" content="{{ ogImage }}">
<meta property="og:site_name" content="{{ siteName }}">
<!-- Twitter -->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="{{ pageTitle }}">
<meta name="twitter:description" content="{{ pageDescription }}">
<meta name="twitter:image" content="{{ ogImage }}">
<!-- Misc -->
<meta name="theme-color" content="{{ themeColor }}">
<link rel="icon" href="/favicon.ico">
<link rel="apple-touch-icon" href="/apple-touch-icon.png">
Implementation depends on the framework:
| Framework | Where to put it |
|---|---|
| Next.js (app dir) | app/layout.tsx metadata export + per-page generateMetadata |
| Next.js (pages dir) | _document.tsx + next/head per page |
| Astro | src/layouts/Base.astro + page frontmatter |
| SvelteKit | +layout.svelte + per-page <svelte:head> |
| Nuxt | app.vue useSeoMeta + per-page useSeoMeta |
| Remix | meta export per route |
| Plain HTML | <head> of each page (or via a templating layer) |
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.
- 1mo ago First seen · 175 lines · 67 tokens per session scan A 23d3db2de61c
seo-scaffold is a skill published in the GitHub repository viknesh20-20/claude-code-tool-kit (7 stars, last pushed 5mo ago), licensed MIT. It adds 67 tokens to every session and 1,483 once invoked, about $0.0003 per session on Opus 5.5. 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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