// building · social video pipeline

Upslop

Reddit topics → AI research → narrated video → YouTube Shorts / Instagram Reels / TikTok

Upslop turns a Reddit discussion topic into a fully produced short video: a local LLM researches the topic and writes a grounded narration script, text-to-speech reads it over stock b-roll, and the finished video is automatically published as a YouTube Short, an Instagram Reel, and a TikTok post — all from one pipeline run.

Research & Script

  • Pulls interesting, discussion-worthy topics from Reddit
  • A local LLM (Ollama) researches the topic and writes a narration script grounded in what it found, rather than inventing facts
  • A human approval step sits between the draft and anything going live

Video & Voice

  • Text-to-speech narration with word-timed burned-in captions
  • Stock b-roll cut to the narration, with optional transition clips
  • Segments re-encoded and concatenated into one vertical video sized for Shorts/Reels/TikTok

Multi-Platform Publishing

  • Auto-published to YouTube (as Shorts) and Instagram (as Reels)
  • TikTok publishing via the official Content Posting API, opt-in per run
  • Per-platform failures are retried automatically on the next publish run

Design principles

Local-first LLM — no cloud inference costs Human approval before anything goes live Grounded research, not invented facts One pipeline, every short-form platform

Status: actively used to research, produce, and auto-publish short-form video across YouTube, Instagram, and TikTok.

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