seo-image-gen

seo-image-gen is a skill for Claude Code from Infrasity-Labs/dev-gtm-claude-skills. It costs 111 tokens per session (2,001 once invoked), scanned A, a copy of seo-image-gen, MIT.

An image-generation skill for SEO assets, such as social-media preview images, blog headers, product photos, infographics, and images used in structured data. It uses Gemini through a separate Banana extension.

In plain words
What is it for?
Use it to generate images for social previews, blog posts, products, infographics, and structured-data pages. It requires the Banana extension to be installed.
Why use it?
It turns SEO image needs into generated assets while separating image creation from audits of existing images.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: positional $N argument; mentions Claude Code.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is ./extensions/banana/install.sh.

Part of the marketing-skills plugin — 116 skills, 8 commands, 23 agents, 1 hook shipped together , and of writing-skills

Good fit Use it to generate images for social previews, blog posts, products, infographics, and structured-data pages. It requires the Banana extension to be installed.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/Infrasity-Labs/dev-gtm-claude-skills
agentmods
npx agentmods add skills/infrasity-labs/dev-gtm-claude-skills/seo-image-gen

Made for: Claude Code.

Or install marketing-skills, the plugin that ships this one along with the rest of its 116 skills, 8 commands, 23 agents, 1 hook.

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-image-gen

README.md
[![agentmods](https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/seo-image-gen/github.svg)](https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/seo-image-gen)
Your own site
<a href="https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/seo-image-gen"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/seo-image-gen/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-image-gen

Your own site · 80×15
<a href="https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/seo-image-gen"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/seo-image-gen.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 111 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,001 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 92% copy Near-identical to another mod 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 $0.00111 $0.02001
Opus 5 $0.00056 $0.01001
Sonnet 5 $0.00022 $0.00400
Haiku 4.5 $0.00011 $0.00200

Measured 13d ago against content hash 9c414b2691a9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

seo-image-gen 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 13d 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.

Origin

This is a copy

92% identical to seo-image-gen — 13 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/extensions/banana/skills/seo-image-gen/SKILL.md · 174 lines

How it starts

The opening of the file, as written. The whole thing — 174 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SEO Image Gen: AI Image Generation for SEO Assets (Extension)

Generate production-ready images for SEO use cases using Gemini's image generation via the banana Creative Director pipeline. Maps SEO needs to optimized domain modes, aspect ratios, and resolution defaults.

Architecture Note

This extension is built on Claude Banana, the standalone AI image generation skill for Claude Code.

This skill has two components with distinct roles:

  • SKILL.md (this file): Handles interactive /seo image-gen commands for generating images
  • Agent (agents/seo-image-gen.md): Audit-only analyst spawned during /seo audit to assess existing OG/social images and produce a generation plan (never auto-generates)

Prerequisites

This skill requires the banana extension to be installed:

./extensions/banana/install.sh

Check availability: Before using any image generation tool, verify the MCP server is connected by checking if gemini_generate_image or set_aspect_ratio tools are available. If tools are not available, inform the user the extension is not installed and provide install instructions.

Quick Reference

Command What it does
/seo image-gen og <description> Generate OG/social preview image (1200x630 feel)
/seo image-gen hero <description> Blog hero image (widescreen, dramatic)
/seo image-gen product <description> Product photography (clean, white BG)
/seo image-gen infographic <description> Infographic visual (vertical, data-heavy)
/seo image-gen custom <description> Custom image with full Creative Director pipeline
/seo image-gen batch <description> [N] Generate N variations (default: 3)

SEO Image Use Cases

Each use case maps to pre-configured banana parameters:

Use Case Aspect Ratio Resolution Domain Mode Notes
OG/Social Preview 16:9 1K Product or UI/Web Clean, professional, text-friendly
Blog Hero 16:9 2K Cinema or Editorial Dramatic, atmospheric, editorial quality
Schema Image 4:3 1K Product Clean, descriptive, schema ImageObject
Social Square 1:1 1K UI/Web Platform-optimized square
Product Photo 4:3 2K Product White background, studio lighting
Infographic 2:3 4K Infographic Data-heavy, vertical layout
Favicon/Icon 1:1 512 Logo Minimal, scalable, recognizable
Pinterest Pin 2:3 2K Editorial Tall vertical card

Read the full file on GitHub · 174 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. 13d ago First seen · 174 lines · 111 tokens per session scan A 9c414b2691a9

Subscribe to this mod's changes

seo-image-gen is a skill published in the GitHub repository Infrasity-Labs/dev-gtm-claude-skills (124 stars, last pushed 2mo ago), licensed MIT. It adds 111 tokens to every session and 2,001 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. It is 92% identical to seo-image-gen, differing in 13 lines, and is treated as a copy.

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