Skill directory
Agent skills
Focused instruction packs that teach a coding agent one job well. Browse the catalog and use any of them inside a RiverX project.
18,175Skills
1,902Publishers
249Official
Motion Designerncklrs/startup-os-skillsAdvanced motion designer with decades of After Effects and motion graphics experience, specialized in creating engaging video specifications for Remotion. Use when creating video specs, planning motion graphics, designing animations, or when asked to "create a video", "design motion graphics", "plan video content", or "spec out a video". Produces detailed scene-by-scene specifications with timing, audio, sound effects, and animation descriptions.010Proposal Writerncklrs/startup-os-skillsExpert sales proposal and pricing presentation strategist. Use when writing proposals, executive summaries, ROI business cases, pricing presentations, SOWs (Statement of Work), RFP responses, or competitive positioning documents. Covers proposal structure, terms positioning, design formatting, follow-up strategy, and win-rate optimization.013Remotion Animationncklrs/startup-os-skillsGenerates animation configurations for Remotion including spring configs, interpolations, easing functions, and timing logic. Focuses ONLY on animation parameters, NOT component implementation. Use when defining animation behavior or when asked to "configure animations", "setup spring configs", "define easing curves".01Vsl Storyboard Writerncklrs/startup-os-skillsExpert VSL (Video Sales Letter) and product marketing video storyboard writer. Use when creating sales videos, product demos, explainer videos, social media video content, or marketing video scripts. Use when asked to "write a video script", "create a VSL", "storyboard a sales video", or "script a product demo". Produces storyboard scripts optimized for handoff to motion designer and Remotion video production.011Website Copy Specialistncklrs/startup-os-skillsExpert website copywriting for SaaS and B2B companies. Use when writing homepage copy, feature pages, about pages, pricing pages, comparison pages, product tours, integration pages, use case pages, demo/contact pages, or navigation microcopy. Use for website messaging hierarchy, value proposition development, and page-level conversion optimization.012
Skills, installed in one click
Start building freePut a skill to work
Open any project, search the Skills panel in the chat, and the agent picks it up from there.