# Diagram explainer — how to make it with code and an AI agent > **For AI agents:** find the right skill in one call — `curl -s "https://skills.varg.ai/api/search?q="` returns the matching use case and the best skills with install commands, as markdown (Russian works too). Full index: https://skills.varg.ai/llms.txt. Every page has a markdown twin: add `.md` to its path. Before generating anything, show the person the options on the use-case page. How a system works: parts appear, arrows flow, the camera zooms where it matters. **Output:** 16:9 · 30–120 s · **Input:** A description of the system ## Ready templates - [Decision Tree](https://skills.varg.ai/component/hf.decision-tree.md) — Animated flowchart with branching paths · install: `npx hyperframes init my-video --example decision-tree` ## Recipe, beat by beat Each beat lists components that build it; install any with its command, then fill its slots. **Parts** (Diagrams & flows, Icons & stickers) - [Avatar Cloud](https://skills.varg.ai/component/hf.avatar-cloud.md) — Lettermark avatars populate a loose elliptical cloud while fine SVG links draw between the community and its central proof label. · `npx hyperframes add avatar-cloud` - [Constellation Hub](https://skills.varg.ai/component/hf.constellation-hub.md) — Feature nodes brighten in narration order as real-length SVG connectors draw outward from a fixed central hub, then settle into one lockup. · `npx hyperframes add constellation-hub` - [Decision Tree](https://skills.varg.ai/component/hf.decision-tree.md) — Animated flowchart with branching paths · `npx hyperframes init my-video --example decision-tree` - [Activity](https://skills.varg.ai/component/remocn.icon-activity.md) — Animated Lucide activity icon — the pulse line sweeps through like an EKG, popping at the peak. Loops by default. · `npx shadcn@latest add @remocn/icon-activity` - [Alert Triangle](https://skills.varg.ai/component/remocn.icon-alert-triangle.md) — Animated Lucide triangle-alert icon — the outline draws on, the mark pops in, then the exclamation blinks to flag a risk or warning. · `npx shadcn@latest add @remocn/icon-alert-triangle` - [Arrow Down](https://skills.varg.ai/component/remocn.icon-arrow-down.md) — Animated Lucide arrow-down icon — the shaft and head draw on, then the arrow nudges down for cost/latency reduction beats or scroll cues. · `npx shadcn@latest add @remocn/icon-arrow-down` **Flow** (Diagrams & flows, Steps & timelines, Cursors & clicks) - [Avatar Cloud](https://skills.varg.ai/component/hf.avatar-cloud.md) — Lettermark avatars populate a loose elliptical cloud while fine SVG links draw between the community and its central proof label. · `npx hyperframes add avatar-cloud` - [Constellation Hub](https://skills.varg.ai/component/hf.constellation-hub.md) — Feature nodes brighten in narration order as real-length SVG connectors draw outward from a fixed central hub, then settle into one lockup. · `npx hyperframes add constellation-hub` - [Decision Tree](https://skills.varg.ai/component/hf.decision-tree.md) — Animated flowchart with branching paths · `npx hyperframes init my-video --example decision-tree` - [Card Catalog Explainer](https://skills.varg.ai/component/varg.card-catalog-explainer.md) — A 56 s explainer: a wall of code-made videos, then one request travels through a card catalog to the finished MP4. Point config.json at any · `git clone https://github.com/vargHQ/code2video-templates && cd code2video-templates/card-catalog-explainer && bash make.command` - [varg Previz](https://skills.varg.ai/component/varg.previz.md) — A three.js grey-box previz of every shot on the timeline — auto cameras from storyboard words, a posable mannequin — then one Seedance 2.5 v · `git clone https://github.com/vargHQ/code2video-templates && python3 code2video-templates/varg-previz/scripts/new_previz.py my-previz` - [Agent Cursor](https://skills.varg.ai/component/hf.agent-cursor.md) — An AI agent operating a UI: a cursor with an accent name label that types out each step, clicks each target with a small ring, and ends on a · `npx hyperframes add agent-cursor` - [Code Snippet - Apple Terminal Pro](https://skills.varg.ai/component/hf.code-snippet-apple-terminal-pro.md) — Apple Terminal Pro profile: black background with grey text and lime green cursor, per-character typing animation of a shell session. · `npx hyperframes add code-snippet-apple-terminal-pro` - [Annotate Cursor](https://skills.varg.ai/component/hf.cursor-annotate.md) — A marker pen glides onto the frame and hand-draws a loose loop, an underline, or an arrow around a region, the ink laid exactly under its ni · `npx hyperframes add cursor-annotate` **Zoom** (Camera moves, Callouts & annotations) - [varg Previz](https://skills.varg.ai/component/varg.previz.md) — A three.js grey-box previz of every shot on the timeline — auto cameras from storyboard words, a posable mannequin — then one Seedance 2.5 v · `git clone https://github.com/vargHQ/code2video-templates && python3 code2video-templates/varg-previz/scripts/new_previz.py my-previz` - [Camcorder HUD](https://skills.varg.ai/component/hf.camcorder-hud.md) — Responsive REC, battery, editable date placeholder, and timeline-driven counter overlay for creator-camera and camcorder treatments · `npx hyperframes add camcorder-hud` - [Dolly Zoom (Vertigo Shot)](https://skills.varg.ai/component/hf.camera-dolly-zoom.md) — Camera tracks toward or away from the subject while the field of view changes the opposite way, so the subject holds its frame size while th · `npx hyperframes add camera-dolly-zoom` - [AI Answer Rank](https://skills.varg.ai/component/hf.ai-answer-rank.md) — Is your brand in the AI answer? A question types into a chat card, the assistant answers with a ranked list of three picks, then re-ranks: t · `npx hyperframes add ai-answer-rank` - [Animated Bar Chart](https://skills.varg.ai/component/hf.animated-bar-chart.md) — A compact data card with deterministic bar growth and value callouts. · `npx hyperframes add animated-bar-chart` - [Arc Motion Path](https://skills.varg.ai/component/hf.arc-motion-path.md) — A GSAP MotionPath primitive that flies a callout along a curved arc with autorotation. · `npx hyperframes add arc-motion-path` **Summary** (Lists & rankings) - [AI Answer Rank](https://skills.varg.ai/component/hf.ai-answer-rank.md) — Is your brand in the AI answer? A question types into a chat card, the assistant answers with a ranked list of three picks, then re-ranks: t · `npx hyperframes add ai-answer-rank` - [AI Chat Reveal](https://skills.varg.ai/component/hf.ai-chat-reveal.md) — A question is typed on a rising keyboard, sent, and answered by an AI that streams its reply word by word on a measured token rhythm - think · `npx hyperframes add ai-chat-reveal` - [Bar Chart Race](https://skills.varg.ai/component/hf.bar-chart-race.md) — Ranked bars grow and overtake each other as a time series advances, with the axis rescaling as values climb and the accent handing over to w · `npx hyperframes add bar-chart-race` **Across the whole video:** Captions & subtitles, Themes & brand kits ## Generated footage, voice and music Code renders the layout for free. Anything generated — AI shots, voiceover, music, lip-sync — runs on varg with one key: `npx skills add vargHQ/skills --skill varg-ai`, the Claude Code plugin `claude plugin marketplace add vargHQ/skills && claude plugin install varg@varg`, or the MCP `https://mcp.varg.ai/mcp`.