H3 Prompt Writing is an agent skill from vllm-project/vllm-omni. Write MiniMax H3 video generation prompts for T2VA, I2VA, FL2VA, L2VA, and Ref2VA. Use when rewriting multimodal requests into H3 prompt structures, composing integratedmultimodaldescription, overallsoundscape, and nondiegeticmusic, aligning keyframes, or defining reference labels for images, videos, and audio.
Its SKILL.md is about 740 tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files (for example `agents/openai.yaml`, `references/base-format.md` and `references/portable-workflow.md`).
It sits in Media & Creative, covering AI video generation. It works with MiniMax. The repository describes itself as: A framework for efficient model inference with omni-modality models. The licence is Apache-2.0.