Need an automated assembly line for your Dropbox clips? This example script polls a folder, sends every fresh video to Mosaic, then uploads the processed output back to the same Dropbox folder with -mosaic-output appended to the file name. View source on GitHub

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1 · Prerequisites

WhatWhere
Mosaic API key (mk_…)Dashboard → Developer → API Keys
Mosaic Agent IDDashboard → Agents
Dropbox Access TokenDropbox App Console – generate token
Token must have files.content.read/write & files.metadata.read/write scopes and full-access. Install deps: 
pip install dropbox requests python-dotenv
Create a .env file: 
MOSAIC_API_KEY=mk_xxxxxxxxxxxxxxxxx
MOSAIC_AGENT_ID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
DROPBOX_ACCESS_TOKEN=sl.ABxxxYYY
DROPBOX_FOLDER=/Videos      # optional – defaults to root
POLL_SECONDS=30             # optional

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2 · Run

python dropbox_trigger.py          # loops forever
python dropbox_trigger.py --once   # single pass (cron friendly)
The edited video(s) will appear alongside the original as video-mosaic-output.mp4 (or _1, _2, …).

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3 · Copy / Reuse

Just copy dropbox_trigger.py, README.md, your .env and you have an instant Dropbox → Mosaic integration. ✨