What is marketing-seo?

A set of search-engine optimisation guides for finding keywords, planning content, and comparing competitors. Search-engine optimisation means improving a website so it can appear more prominently in search results.

Use it for keyword research, content plans, competitor analysis, and interpreting data from tools such as Ahrefs, SEMrush, or Google Search Console when available.

It helps keep SEO analysis grounded in declared data sources and separates measured results from reasoned estimates.

marketing-seo — Skill for Claude Code by itsbariscan

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 itsbariscan/claude-code-marketing --skill marketing-seo

Clone the repo

git clone --depth 1 https://github.com/itsbariscan/claude-code-marketing

Made for: Claude Code.

Or install claude-code-marketing, the plugin that ships this one along with the rest of its 3 skills, 4 hooks.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/itsbariscan/claude-code-marketing/marketing-seo/github.svg)](https://agentmods.dev/skills/itsbariscan/claude-code-marketing/marketing-seo)

Your own site

<a href="https://agentmods.dev/skills/itsbariscan/claude-code-marketing/marketing-seo"><img src="https://agentmods.dev/badge/skills/itsbariscan/claude-code-marketing/marketing-seo/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/itsbariscan/claude-code-marketing/marketing-seo"><img src="https://agentmods.dev/badge/skills/itsbariscan/claude-code-marketing/marketing-seo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,285 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.

Model	Per session	Once invoked
Fable 5.1	$0.00021	$0.01285
Opus 5	$0.00010	$0.00642
Sonnet 5	$0.00004	$0.00257
Haiku 4.5	$0.00002	$0.00128

Measured 10d ago against content hash c73bc4351667, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

marketing-seo 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 10d 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/marketing-seo/SKILL.md · 226 lines

How it starts

The opening of the file, as written. The whole thing — 226 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SEO Skills

Keyword research, content planning, and competitor analysis with reasoning-based analysis and optional MCP enhancement.

The Iron Law

NO METRICS WITHOUT SOURCE DECLARATION

Always state whether analysis is reasoning-based or MCP-enhanced. Violating the letter of this rule is violating the spirit.

Data Source Detection

At the start of any SEO task, identify available data sources:

Check for MCP Tools

IF Ahrefs MCP available (tools contain ahrefs_):

Use for: Volume, Keyword Difficulty, Backlinks, Domain Rating
Confidence: HIGH
Label: "Analysis enhanced with Ahrefs data"

IF SEMrush MCP available (tools contain semrush_):

Use for: Volume, Keyword Difficulty, Competitor keywords, Domain overview
Confidence: HIGH
Label: "Analysis enhanced with SEMrush data"

IF GSC MCP available (tools contain gsc_ or search_console):

Use for: Current rankings, Impressions, Clicks, CTR
Confidence: HIGH
Label: "Analysis enhanced with Search Console data"

IF user pastes data:

Parse CSV/TSV format
Confidence: MEDIUM
Label: "Analysis based on provided data"

IF no MCP and no paste:

Use reasoning based on SEO principles
Confidence: MEDIUM
Label: "Reasoning-based analysis"

Keyword Research

When to Use

"find keywords for [topic]"
"keyword research for [industry]"
"what should I rank for"
"analyze these keywords"

Data Source Gate

BEFORE analyzing keywords:

CHECK for MCP tools (Ahrefs, SEMrush, GSC)
CHECK for pasted data from user
DECLARE data source in output header

Analysis Framework

Factor	With MCP/Data	Reasoning-Based
Volume	Exact number from API	"Likely [high/medium/low] based on term type"
Difficulty	KD score from API	"Likely [easy/medium/hard] based on keyword structure"
Intent	Same analysis method	Same analysis method
Position	From GSC if available	"Unknown - connect GSC for current rankings"

Read the full file on GitHub · 226 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.

10d ago First seen · 226 lines · 21 tokens per session scan A c73bc4351667

Subscribe to this mod's changes

marketing-seo is a skill published in the GitHub repository itsbariscan/claude-code-marketing (11 stars, last pushed 8mo ago), licensed MIT. It adds 21 tokens to every session and 1,285 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 2026-08-30.

Marketing and SEO competitor-analysis content content-brief keyword-research keywords marketing seo

marketing-seo

Getting it into your agent

Wrote this? Show the measurements

What it costs to keep this loaded

Grade A, and why

Nothing flagged

How it starts

SEO Skills

The Iron Law

Data Source Detection

Check for MCP Tools

Keyword Research

When to Use

Data Source Gate

Analysis Framework

What this file has done since we first saw it

Other skills, from other repositories

r00-hesreallyhim-awesome-claude-code--seo

r00-VoltAgent-awesome-agent-skills--seo

r00-alirezarezvani-claude-code-skill-factory--seo

r00-borghei-Claude-Skills--seo

r00-alirezarezvani-claude-code-tresor--seo

r00-wshobson-commands--seo