Banner Creator

by ReScienceLab

Banner Creator is a Frontend skill for Claude Code, published by ReScienceLab in opc-skills.

1.6K stars148 forkson ReScienceLab/opc-skillsAdded 2026/08/19+21% in starsRepository updated 2026/08/18

View source on GitHub Download repo ZIP

agent-skillsai-toolsclaude-codegeollm-toolsopcseo

Install in seconds

Install Banner Creator

Copy Banner Creator into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/ReScienceLab/opc-skills/tree/main/skills/banner-creator ~/.claude/skills/banner-creator

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/ReScienceLab/opc-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/banner-creator/SKILL.md in ReScienceLab/opc-skills
Installs to: ~/.claude/skills/banner-creator
Collection: One of 13 skills cataloged from this repository
Category: Frontend — 567 skills

What Banner Creator does

Banner Creator generates AI-powered banners for headers, hero images, covers, and social media profiles by iterating with user feedback and cropping to target sizes.

Banner Creator is cataloged under Frontend on DirSkills. Banner Creator comes from a repository tagged agent-skills, ai-tools, claude-code, geo and llm-tools.

Documentation

README

Excerpt

Create professional banners through AI image generation with an iterative design process.

Prerequisites

Required API Keys (set in environment):

GEMINI_API_KEY - Get from Google AI Studio

Required Skills:

nanobanana - AI image generation (Gemini 3 Pro Image)

File Output Location

All generated files should be saved to the .skill-archive directory:

.skill-archive/banner-creator/<yyyy-mm-dd-summaryname>/

Example:

.skill-archive/banner-creator/2026-01-19-opc-banner/
  banner-01.png
  banner-02.png
  ...
  banner-03-cropped.png
  preview.html

Workflow

Step 1: Discovery & Requirements

Before generating, gather requirements from user:

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Banner Creator

What else does ReScienceLab publish alongside Banner Creator?
Banner Creator is one of 13 skills that DirSkills catalogs from ReScienceLab/opc-skills, the repository it ships in. Its siblings there include Add New OPC Skill, Archive and Domain Hunter. Each one is a separate skill with its own page in this directory, installs the same way Banner Creator does, and is maintained by ReScienceLab in that same repository. The rest of the collection is listed on the ReScienceLab/opc-skills page.
How does Banner Creator compare to other Frontend skills?
Banner Creator ranks #277 by stars among the 567 Frontend skills in this catalog. The most-starred ones next to it are Angular Developer, Android Clean Architecture and Accessibility. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Banner Creator against them. Open each page to compare what they document and how they install.