video2dsprite
自动化从静帧到动作帧并导出为常用精灵格式，适合独立游戏与像素艺术资产制作。
仅在 Grok Build 平台可用，需在该闭源服务中运行。
利用 Grok Build 的视频工具将 2D 角色静帧生成平滑的动画精灵序列（条带/网格/GIF）。
在 Grok Build 环境下把 2D 静帧变成平滑的动画精灵序列：先用 image_to_video 生成短视频、用 ffmpeg 抽帧、抠绿幕，然后合成密集的条带/网格或 GIF。适合想把角色做动捕、生成更流畅的跑/走周期或把视频转成 sprite 表时用。注意只有 Grok Build 支持 image_to_video，想要像素风清晰表格时优先用 generate2dsprite。
▸ 展开 SKILL.md 英文原文
Grok Build ONLY. Turn a 2D character still into smooth animation sprites via image_gen/image_edit base → image_to_video (6s/10s run-in-place) → ffmpeg frames → magenta chroma-key → dense sampled sprites (strip/grid/GIF). Use when the user wants video-to-sprite, motion capture from generated video, smoother run/walk cycles from dense frames, or runs /video2dsprite. Do NOT use on Codex/Claude — only Grok Build has image_to_video. Prefer generate2dsprite for crisp pixel sheets without video.
帮我安装这个 skill：https://raw.githubusercontent.com/0x0funky/agent-sprite-forge/main/skills/video2dsprite/SKILL.mdcurl -fsSL "https://raw.githubusercontent.com/0x0funky/agent-sprite-forge/main/skills/video2dsprite/SKILL.md"# Video2dsprite (Grok Build only) Convert a **base 2D character image** into **dense animation sprites** using Grok Build's native video tools. ```text base still → image_to_video (in-place motion) → extract frames → chroma key → sample/normalize → strip / grid / GIF ``` ## Platform gate (read first) | Runtime | Supported? | | --- | --- | | **Grok Build** (xAI) | **Yes** — requires `image_gen` / `image_edit` + `image_to_video` (or `reference_to_video`) | | Codex / Claude / other agents | **No** — they lack Grok video tools. Tell the user this skill is Grok Build only and offer `$generate2dsprite` instead | If `image_to_video` is missing from the tool list, **stop** and explain. Do not f