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alichherawalla/video-overlay-kit

Free

渲染 4-6 秒动画 B-roll 叠加视频 (mp4)，用于短视频 (LinkedIn、IG Reels、YouTube Shorts、TikTok) 和横屏 YouTube。将脚本粘贴到 Claude Code / Cursor / Codex，模型自动编写场景规格并渲染 mp4。基于 Remotion + Tabler + Lottie。npm: @alichherawalla/video-overlay-kit。免费，MIT，本地运行。

FreeFree tier
Type
Open Source
Visit Website GitHub (40 stars)

About alichherawalla/video-overlay-kit

VideoOverlayKit is a free, open-source MCP (Model Context Protocol) server that generates animated B-roll overlay videos for short-form content. Built on Remotion with the Wednesday Solutions design system, it allows users to describe a scene to an MCP-compatible AI coding agent (such as Claude Code, Codex, Cursor, or Cline) and receive a 5–6 second MP4 video locally. The kit supports both portrait (1080×1920) and landscape (1920×1080) orientations, automatically adapting layouts. Scene types include list-reveal, flow, comparison, and hub. Setup involves cloning the repo, installing dependencies, and adding the MCP server configuration to the agent. The tool is MIT licensed and runs on the user's machine with zero per-render cost.

Key Features

Generate 5–6 second animated B-roll overlay videos (MP4) from scene descriptions
Works with any MCP-compatible AI coding agent (Claude Code, Codex, OpenCode, Cursor, Cline)
Automatic layout for portrait (1080×1920) for TikTok/Instagram Reels/YouTube Shorts and landscape (1920×1080) for YouTube/desktop/TV
Built-in scene types: list-reveal, flow, comparison, hub
Wednesday Solutions design system as the default theme
Free, zero per-render cost, MIT licensed, runs locally
MCP tools provided: list_icons, validate_scene, render_scene
Simple setup via one command: clone, npm install, configure MCP entry

Pros & Cons

Pros
  • Completely free with no per-render or subscription costs
  • Open source (MIT) and runs on the user's own machine
  • Integrates seamlessly with popular MCP-compatible coding agents
  • Produces both portrait and landscape outputs from a single scene spec
  • No need for video editing software like After Effects
  • Fast rendering (5–6 second clips) suitable for iterative content creation
Cons
  • Requires an MCP-compatible AI coding agent (e.g., Claude Code, Cursor, Codex) to function
  • Initial setup involves cloning the repository and configuring MCP settings, which may be non-trivial for non-technical users
  • Limited to 5–6 second clip length; not intended for longer-form video overlays
  • Scene templates are currently limited to list-reveal, flow, comparison, and hub (default Wednesday Solutions theme may not suit all branding needs)

Best For

Creating quick B-roll overlays for short-form social media videos (LinkedIn, Instagram Reels, YouTube Shorts, TikTok)Generating animated visual explanations for tutorial or educational contentProducing consistent branded overlays for YouTube videos without using After EffectsRapid prototyping of video scenes using natural language prompts via an AI coding agent

FAQ

What do I need to use VideoOverlayKit?
You need an MCP-compatible AI coding agent (Claude Code, Codex, OpenCode, Cursor, Cline, or any agent that supports the Model Context Protocol). You also need to clone the repository, install dependencies via npm, and add the MCP server configuration to your agent's config file.
What output does the tool produce?
It produces MP4 video files of 5–6 seconds duration, in either portrait (1080×1920) or landscape (1920×1080) orientation, depending on the canvas aspect specified in the scene.
Is there any cost per render?
No. The tool is free and runs locally on your machine with zero per-render cost. It is MIT licensed.
Can I customize the design?
The default theme is the Wednesday Solutions design system. You can override the theme by changing the scene spec, but customisation beyond the built-in scene types (list-reveal, flow, comparison, hub) and default styling is limited without modifying the source code.