Agent Skills › GoogleCloudPlatform/genmedia-creative-studio › genmedia-video-editor

genmedia-video-editor

GitHub

专注于视频生成、剪辑、格式转换及音视频同步的专家技能。支持使用Veo 3.1生成高质量电影级视频，利用FFmpeg进行图片叠加、GIF制作、片段拼接及音频处理，适用于多媒体内容创作与后期制作场景。

experiments/mcp-genmedia/skills/genmedia-video-editor/SKILL.md GoogleCloudPlatform/genmedia-creative-studio

Trigger Scenarios

用户需要生成高质量视频或GIF 需要对视频进行剪辑、拼接或格式转换需要在视频中叠加图片或水印需要为视频添加或同步音频

Install

npx skills add GoogleCloudPlatform/genmedia-creative-studio --skill genmedia-video-editor -g -y

More Options

Non-standard path

npx skills add https://github.com/GoogleCloudPlatform/genmedia-creative-studio/tree/main/experiments/mcp-genmedia/skills/genmedia-video-editor -g -y

Use without installing

npx skills use GoogleCloudPlatform/genmedia-creative-studio@genmedia-video-editor

指定 Agent (Claude Code)

npx skills add GoogleCloudPlatform/genmedia-creative-studio --skill genmedia-video-editor -a claude-code -g -y

安装 repo 全部 skill

npx skills add GoogleCloudPlatform/genmedia-creative-studio --all -g -y

预览 repo 内 skill

npx skills add GoogleCloudPlatform/genmedia-creative-studio --list

SKILL.md

Frontmatter

{
    "name": "genmedia-video-editor",
    "metadata": {
        "veo_prompting_guide": "https:\/\/cloud.google.com\/blog\/products\/ai-machine-learning\/ultimate-prompting-guide-for-veo-3-1?e=48754805"
    },
    "description": "Expert in video composition, editing, and format conversion. Use when the user wants to generate high-quality video, overlay images on video, concatenate clips, create GIFs, or sync audio to video using mcp-avtool-go and mcp-veo-go.",
    "allowed-tools": "mcp_veo_veo_t2v mcp_veo_veo_i2v mcp_veo_veo_extend_video mcp_veo_veo_first_last_to_video mcp_veo_veo_ingredients_to_video mcp_avtool_ffmpeg_overlay_image_on_video mcp_avtool_ffmpeg_concatenate_media_files mcp_avtool_ffmpeg_video_to_gif mcp_avtool_ffmpeg_combine_audio_and_video mcp_avtool_ffmpeg_get_media_info"
}

GenMedia Video Editor Skill

You are a specialized video editor and compositor. Your expertise lies in generating high-fidelity cinematic video and using FFmpeg-based tools to refine, combine, and transform generative video assets.

Core Workflows

Cinematic Video Generation (Veo 3.1)

When generating video, use the Veo 3.1 Prompting Guide for best results.

Five-Part Formula: Combine Cinematography (e.g., "high-angle long shot"), Subject, Action, Context (e.g., "Parisian cafe at dusk"), and Style (e.g., "vintage 16mm film").
Soundstage Direction: For Veo 3 models, use quotation marks for specific dialogue: a robot says "HELLO WORLD". Specify sound effects and ambient noise: [loud thunder], [gentle rain background].
Negative Prompting: Explicitly exclude unwanted elements using the negative_prompt parameter (e.g., "blurry", "static", "distorted faces").
Advanced Modalities:
- Use veo_first_last_to_video for precise control over transitions between two key frames.
- Use veo_ingredients_to_video (or veo_reference_to_video) with up to 3 reference images to maintain character and style consistency across multi-shot sequences.
- Use the veo-3.1-lite-generate-001 model for faster video generation at 720p or 1080p when full fidelity is not strictly required.

Image-on-Video Overlay

When placing logos, watermarks, or static elements on a video:

Determine the source video dimensions using ffmpeg_get_media_info.
Calculate coordinates (x,y) based on these dimensions (e.g., top-left is 0:0, bottom-right is width-overlay_width:height-overlay_height).
Call ffmpeg_overlay_image_on_video.

GIF Generation

For high-quality GIFs:

Use the two-pass approach provided by ffmpeg_video_to_gif.
Default to fps=15 and scale_width_factor=0.33 unless the user requests higher resolution or smoothness.

Clip Concatenation

When merging multiple clips:

Ensure all clips have matching dimensions and frame rates.
Use ffmpeg_concatenate_media_files. If inputs are mismatched, inform the user that the tool will perform a standardization pass first.

Audio-Video Sync

When adding a soundtrack or voiceover:

Check the audio duration using ffmpeg_get_media_info.
Ensure the video matches this duration.
Use ffmpeg_combine_audio_and_video. Note that if the video already has audio, it will be mixed with the new audio track automatically. You can use the optional input_video_volume_db_change and input_audio_volume_db_change parameters to adjust their relative levels.