Open-source toolkit / framework for 10x faster AI agent development and output. Free, local-first, no API costs. Build powerful autonomous agents with modular tools, prompts, and integrations
This repository also configures its own agents. See what ystack tells them →
Skill Claude CodeCodex
Copywriting for technical founders. Covers X posts, X threads, Substack editions, LinkedIn posts, product launch captions, and README headlines. Teaches AI to write with the directness of a senior operator and the specificity of an engineer. Stops AI from producing generic marketing copy that sounds like everyone else…
Skill Claude CodeCodex
Product launch playbook for indie devs and technical founders. Covers asset sequencing, timing, platform order, community posting strategy, GitHub presence, and the 48-hour launch window. For ystack, Focused AI, Lumina, and Standard Bio. launches. Stops AI from producing generic "launch day" checklists that ignore…
Skill Claude CodeCodex
The main marketing skill. Teaches AI how to produce high-quality marketing assets from scratch. Covers visual direction, motion design, copywriting, platform strategy, and brand identity. For Remotion videos, Nano Banana graphics, Substack headers, X posts, LinkedIn, and product launches. Stops the AI from producing…
Skill Claude CodeCodex
Nano Banana image generation for marketing assets. Artist-level visual direction for brand graphics, thumbnails, Substack covers, X post backgrounds, and LinkedIn headers. Covers prompt architecture, lighting direction, composition rules, style consistency, and what to never generate. Stops AI from producing generic…
Skill Claude CodeCodex
Remotion video composition for marketing. Teaches AI to write Apple-quality motion in React/TypeScript. Covers spring physics, composition architecture, frame timing, text reveal patterns, and platform-specific output. For X posts, Substack headers, LinkedIn launches, and product demos. Stops AI from writing flat…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: