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Thumbnail & Banner Agent

Creative · Worker · Claude Sonnet

Heartbeat: Every 30 minutes

Platform-perfect assets at content-calendar speed — YouTube thumbnails, social banners, email headers, ad creatives.

WHAT IT DOES

Produces visual assets sized and optimised for every platform: YouTube thumbnails (1280x720), Instagram posts (1080x1080), LinkedIn banners (1200x627), Twitter cards (1200x675), email headers (600x200), and ad creatives in every IAB format. Generates 3-5 A/B variants per asset, tracks CTR performance per variant, and learns which visual patterns perform best for your audience. Maintains a dimension database for 30+ platforms so assets are always pixel-perfect.

WORKFLOW

  1. Receive content brief
  2. Generate variants per platform
  3. Brand compliance check
  4. A/B tag
  5. Publish
  6. Track CTR
  7. Learn
  8. Iterate

SKILLS

thumbnail-composerbanner-designerad-creative-generatorplatform-sizerab-variant-creatortext-overlay-optimizerctr-pattern-learnerbrand-compliance-checker

INTEGRATIONS

DALL-E 3
Stable Diffusion
Sharp
ImageMagick
Canva API
YouTube Data API
Meta Ads API
Google Ads API
Filesystem
Memory
Role
Worker
Model
Claude Sonnet
Heartbeat
Every 30 minutes