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Envie

by golproductions
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Envie

AI video, verified. Describe a video to your AI and get a real file back. Envie gives Claude Code and any MCP client a deterministic render engine: headless Chrome filmed frame by frame, six verification gates, and a full read-back layer. Free. No watermark. No account.

npx @golproductions/envie setup

That's it. It detects Claude Code, Cursor, and Windsurf and registers with every one it finds. Then ask your AI: make me a 15-second vertical launch video for my app

Add this to any MCP client's config:

{ "mcpServers": { "envie": { "command": "npx", "args": ["-y", "@golproductions/envie", "mcp"] } } }

Or for Claude Code specifically:

claude mcp add envie -- npx -y @golproductions/envie mcp

What happens

  1. Write. Your AI reads envie_guide and writes a composition: one self-contained HTML file with CSS animations, WebGL, Canvas, GIFs -- whatever it needs.

  2. Render. envie_render films it deterministically. Headless Chrome, every frame seeked with a virtualized clock. Same composition, same video, every time.

  3. Verify. Six gates inspect the result: container, both streams, audible audio, no black segments, no freezes, no dead ending. A failing video is never delivered -- your AI gets the report and fixes it.

  4. See. envie_see returns frames at chosen timestamps so your AI can judge layout and pacing, not just whether the file exists.

  5. Translate. envie_translate reads the file back as data: per-frame motion, every cut and fade, still holds, LUFS, true peak, and how each audio hit sits against the nearest picture event.

Related MCP server: AIOProductOS Studio

Requirements

  • Node 24 -- or later

  • Google Chrome -- or set ENVIE_CHROME to your binary

  • ffmpeg + ffprobe -- on PATH

  • Audio -- a video with no audio fails G2 and G3

    • --narration "text" -- local TTS voiceover, Windows only (SAPI)

    • --audio file.wav -- lays over any wav/mp3/m4a, all platforms

Runs entirely on your machine. It never contacts GOL servers.

Formats

Flag

Container

Codec

--format h264

.mp4

libx264 (default)

--format h265

.mp4

libx265 10-bit

--format prores

.mov

ProRes 422 HQ 10-bit

--format prores4444

.mov

ProRes 4444 10-bit

--format dnxhr

.mov

DNxHR HQ

CLI

npx @golproductions/envie setup                          # register MCP server in one step
envie render <composition.html> -o out.mp4  [--narration "text" | --audio file]
                                            [--fps N] [--format h264|h265|prores|prores4444|dnxhr]
envie see    <composition.html|video.mp4>   [--at 1000,4000] [-o dir]
envie verify <video.mp4>
envie translate <video.mp4>                 [-o dir]
envie guide
envie mcp

Intent assertions

Compositions can declare what they intend to achieve. Envie checks them post-render and fails verified if they are missed.

<body data-duration-ms="12000"
      data-expect-sync-ms="120"
      data-expect-no-holds-longer-than="3">

Your work is yours

GOL claims no ownership over your compositions or the videos you render. Envie runs on your machine, and nothing you make with it reaches us.

License

Free and open source. See LICENSE. The names "Envie" and "GOL Productions" are trademarks of GOL Productions. Forks must use a different name.

GOL Productions

Envie is part of the GOL Productions toolchain. See also Check, the anti-hallucination layer for Claude Code, and Exnos, live browser verification.

Product page · GOL Productions · GitHub

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Maintenance

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