MCPInstall

logo-creator

by resciencelabMarketing & SEO

Create logos using AI image generation. Discuss style/ratio, generate variations, iterate with user feedback, crop, remove background, and export as SVG. Use when user wants to create a logo, icon, favicon, brand mark, mascot, emblem, or design a logo.

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/resciencelab/opc-skills --skill logo-creator
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads logo-creator automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Logo Creator Skill

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

Prerequisites

Required API Keys (set in environment):

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/logo-creator/<yyyy-mm-dd-summaryname>/

Example:

.skill-archive/logo-creator/2026-01-18-opc-logo/
  logo-01.png
  logo-02.png
  ...
  logo-09-cropped.png
  logo-09-nobg.png
  logo-09.svg
  preview.html

Guidelines:

  • Use current date in format yyyy-mm-dd
  • Add short summary name (project/brand name, kebab-case)
  • Create directory before generating first logo
  • Keep all variations and iterations in same folder
  • Final approved logo should be copied to user's desired location

Workflow

Step 1: Discovery & Requirements

Before generating, gather requirements from user:

Ask about:

  1. Project/Brand name - What is the logo for?

  2. Style preference - See references/styles.md for options:

    • Pixel art / 8-bit retro
    • Minimalist / flat design
    • 3D / isometric
    • Hand-drawn / sketch
    • Mascot / character
    • Monogram / lettermark
    • Abstract / geometric

  3. Aspect ratio - Default is 1:1 (square), options:

    • 1:1 - Square (favicons, app icons)
    • 16:9 - Wide (headers, banners)
    • 4:3 - Standard
    • 2:3 - Portrait

  4. Color preferences:

    • Monochrome (black & white)
    • Specific brand colors
    • Let AI decide

  5. Reference images - Any existing logos or styles to reference?

Wait for user confirmation before proceeding!

Step 2: Generate Logo Variations

Generate 20 logo variations (default) using the nanobanana skill:

# Generate single logo
python3 <nanobanana_skill_dir>/scripts/generate.py "{style} logo for {brand}, {description}, {colors}" \
  --ratio 1:1 -o .skill-archive/logo-creator/<date-name>/logo-01.png

# Batch generate 20 logos
python3 <nanobanana_skill_dir>/scripts/batch_generate.py "{style} logo for {brand}, {description}, {colors}" \
  -n 20 --ratio 1:1 -d .skill-archive/logo-creator/<date-name> -p logo

Guidelines:

  • Use batch_generate.py for multiple variations (includes auto-delay)
  • Save to .skill-archive/logo-creator/<yyyy-mm-dd-summaryname>/ directory
  • Use sequential naming: logo-01.png, logo-02.png, etc.

Prompt Tips:

  • Include style keywords: "pixel art", "minimalist", "8-bit", "flat design"
  • Specify colors: "black on white", "monochrome", "blue gradient"
  • Add context: "tech startup", "food brand", "gaming company"
  • Request format: "icon", "emblem", "mascot", "lettermark"

Step 3: Create HTML Preview

Copy the preview template and open in browser:

cp <skill_dir>/templates/preview.html .skill-archive/logo-creator/<yyyy-mm-dd-summaryname>/preview.html

Then open in default browser:

open .skill-archive/logo-creator/<yyyy-mm-dd-summaryname>/preview.html

IMPORTANT: Update the HTML to include the correct number of logos generated.

Step 4: Iterate with User

Ask user which logos they prefer:

  • "Which logos do you like? (e.g., #5, #12, #18)"
  • "What do you like about them?"
  • "Any changes you'd want?"

Based on feedback:

  1. Generate 10-20 more variations of favorite styles
  2. Use naming: logo-{original}-v{n}.png (e.g., logo-05-v1.png)
  3. Update HTML preview
  4. Repeat until user selects final logo

Step 5: Finalize Logo

Once user approves a logo, process it:

5a. Crop whitespace (make 1:1 with no margins):

python3 <skill_dir>/scripts/crop_logo.py {input.png} {output-cropped.png}

5b. Remove background:

python3 <skill_dir>/scripts/remove_bg.py {input.png} {output-nobg.png}

5c. Convert to SVG:

python3 <skill_dir>/scripts/vectorize.py {input.png} {output.svg}

Step 6: Deliver Final Assets

Present final deliverables:

## Final Logo Assets

| File | Description | Size |
|------|-------------|------|
| logo.png | Original | 1024x1024 |
| logo-cropped.png | No margins, 1:1 | ~800x800 |
| logo-nobg.png | Transparent background | ~800x800 |
| logo.svg | Vector (scalable) | ~20KB |

All files saved to: `.skill-archive/logo-creator/<yyyy-mm-dd-summaryname>/`
Copy final logo to user's desired location.

Quick Reference

Common Prompt Patterns

Pixel Art:

Pixel art {subject} logo, 8-bit retro style, black pixels on white background, {size}x{size} grid, minimalist icon

Minimalist:

Minimalist {subject} logo, flat design, clean lines, {color} on white, simple geometric shapes

Mascot:

Cute {animal/character} mascot logo, friendly expression, {style} style, {colors}, suitable for brand icon

Lettermark:

Letter "{letter}" logo, modern typography, {style} design, {colors}, clean professional look

Supported Aspect Ratios

  • 1:1 - Square (default for logos)
  • 2:3, 3:2 - Portrait/Landscape
  • 3:4, 4:3 - Standard
  • 4:5, 5:4 - Photo
  • 9:16, 16:9 - Wide
  • 21:9 - Ultra-wide

References

  • references/styles.md - Logo style guide with prompt examples
  • examples/opc-logo-creation.md - Full example conversation

FAQ

What does the logo-creator skill do?

Create logos using AI image generation. Discuss style/ratio, generate variations, iterate with user feedback, crop, remove background, and export as SVG. Use when user wants to create a logo, icon, favicon, brand mark, mascot, emblem, or design a logo.

How do I install logo-creator?

Run npx skills add https://github.com/resciencelab/opc-skills --skill logo-creator in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/logo-creator/ (personal) or .claude/skills/logo-creator/ (project).

Which AI agents can use logo-creator?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is logo-creator safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains logo-creator?

It is published by resciencelab in resciencelab/opc-skills. It has 3,212 recorded installs.

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