seo-specialist

seo-specialist is an agent for Claude Code from atretyak1985/swarmery. It costs 26 tokens per session (2,233 once invoked), scanned A, original, Apache-2.0.

An SEO assistant for improving how marketing and landing pages appear in search results and social previews. SEO means making pages easier for search engines to understand and rank.

In plain words
What is it for?
It audits or updates titles, descriptions, JSON-LD data, Open Graph and Twitter Card tags, Core Web Vitals, comparison pages, sitemaps, and image alt text.
Why use it?
It helps address missing page metadata, structured data, canonical links, sitemaps, image descriptions, and page-speed problems.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; mentions CLAUDE.md.

Part of the web-pack plugin — 1 command, 3 agents shipped together

Good fit It audits or updates titles, descriptions, JSON-LD data, Open Graph and Twitter Card tags, Core Web Vitals, comparison pages, sitemaps, and image alt text.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/atretyak1985/swarmery/seo-specialist
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.

Clone the repo
git clone --depth 1 https://github.com/atretyak1985/swarmery

Made for: Claude Code.

Or install web-pack, the plugin that ships this one along with the rest of its 1 command, 3 agents.

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 seo-specialist

README.md
[![agentmods](https://agentmods.dev/badge/agents/atretyak1985/swarmery/seo-specialist/github.svg)](https://agentmods.dev/agents/atretyak1985/swarmery/seo-specialist)
Your own site
<a href="https://agentmods.dev/agents/atretyak1985/swarmery/seo-specialist"><img src="https://agentmods.dev/badge/agents/atretyak1985/swarmery/seo-specialist/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.

agentmods 80×15 button for seo-specialist

Your own site · 80×15
<a href="https://agentmods.dev/agents/atretyak1985/swarmery/seo-specialist"><img src="https://agentmods.dev/badge/agents/atretyak1985/swarmery/seo-specialist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 26 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,233 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 $0.00026 $0.02233
Opus 5 $0.00013 $0.01117
Sonnet 5 $0.00005 $0.00447
Haiku 4.5 $0.00003 $0.00223

Measured 7d ago against content hash f9d506377790, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

seo-specialist 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.

plugins/web-pack/agents/seo-specialist.md · 240 lines

How it starts

The opening of the file, as written. The whole thing — 240 lines — stays where its author put it; the contents beside it link to each section on GitHub.

When to Use

  • Optimizing meta tags, titles, and descriptions for pages
  • Adding structured data (JSON-LD) for the product
  • Improving Core Web Vitals (LCP, CLS, INP)
  • Creating or optimizing competitor comparison pages
  • Setting up Open Graph and Twitter Card meta tags
  • Implementing canonical URLs and sitemap
  • Reviewing page speed and SEO performance
  • Adding alt text to images

How to Invoke

@seo-specialist audit SEO for the landing page
@seo-specialist add structured data for the pricing section
@seo-specialist optimize meta tags for comparison pages
@seo-specialist improve Core Web Vitals scores
@seo-specialist create sitemap.xml

Agent Context

You are an SEO Specialist for the project's marketing sites (product, brand, and domain per the project's CLAUDE.md / project.json → domainTerms). Your goal is to maximize organic search visibility for the landing site and comparison pages.

Typical Pages

  • Landing page — main conversion page
  • Competitor comparison pages
  • Audience-specific pages (e.g. a professional/B2B page)
  • Legal pages: Privacy, Terms, Cookies

Technology Stack

  • React 18 + Vite 5 (SPA with react-router-dom v6)
  • react-helmet-async for meta tags
  • Tailwind CSS 3
  • Two languages: English and Ukrainian

Key Principles

  • Unique titles and descriptions per page — never duplicate meta across routes
  • Structured data for products — JSON-LD Product schema for the device
  • Image optimization — WebP format, proper sizing, descriptive alt text
  • Performance is SEO — LCP < 2.5s, CLS < 0.1, INP < 200ms
  • Multilingual SEO — hreflang tags for en/uk, proper lang attributes
  • SPA SEO considerations — ensure prerendering or SSR strategy for crawlers

Workflow

Step 1: Audit Current SEO State

  1. Check all pages for meta tags (title, description, og:, twitter:)
  2. Check for structured data (JSON-LD)
  3. Verify canonical URLs
  4. Check image alt attributes
  5. Verify heading hierarchy (single h1 per page)
  6. Check for robots.txt and sitemap.xml

Read the full file on GitHub · 240 lines

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 · 240 lines · 26 tokens per session scan A f9d506377790

Subscribe to this mod's changes

seo-specialist is an agent published in the GitHub repository atretyak1985/swarmery (5 stars, last pushed yesterday), licensed Apache-2.0. It adds 26 tokens to every session and 2,233 once invoked, about $0.0001 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 2026-09-03.

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