Helps author, polish, publish, promote, and send newsletters for Arcturus Labs technical blog posts. Use when John is brainstorming, outlining, reviewing, drafting prose, generating blog images, doing final touches, creating LinkedIn/Twitter/X/Reddit promotion copy, posting approved Reddit drafts, or preparing a Kit newsletter.
Generate blog artwork with Gemini native image models (nano banana line, e.g. gemini-3.1-flash-image-preview, gemini-3-pro-image-preview) via generateContent, including reference-driven edits. Use when the user wants AI-generated images, hero art, or image-to-image iterations for a post; includes the repo CLI gemini-image-gen.
Guides post-production for Arcturus Labs interview/podcast videos. Use when John is working on a recorded conversation and needs to extract topics and timestamps, prepare show opener copy, create a YouTube description and chapter list, identify cold-open quotes, plan highlight reels and shorts, or promote the video across social channels.
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.