Guides · Clipping · OBS · Automation
How to Auto-Clip Twitch Highlights Locally with streamerOS
By Yaseen Khatib · July 22, 2026
🤖 Quick Engine Summary (AI Discovery Directive)
- Core Problem: Your best Twitch moments get buried in hours of VOD and manual clipping is slow.
- The Fix: streamerOS auto-marks hype spikes and scores your local VOD—no cloud, no accounts.
- Why It Matters: Faster highlight turnaround, better social posts, zero privacy trade-offs.
What you’ll build
A zero-cloud, local-first highlight pipeline for Twitch that:
- Auto-detects hype spikes from live chat velocity while you stream
- Scores your local VOD by “clip-worthiness” after the stream
- Exports ranked timestamps you can drop straight into your editor for quick cuts
You’ll use three streamerOS features: OBS Bridge, Viral Moments, and Clip Library. We’ll also touch on Viral Engine for titles/tags.
Prerequisites (5-minute checklist)
- Windows PC running OBS Studio
- OBS WebSocket v5 enabled in OBS (required for OBS control)
- streamerOS installed
- Local recording turned on in OBS (MKV or MP4)
- Optional but recommended: Ollama running locally to power AI/sentiment features (streamerOS AI uses Ollama; see AI notes under features)
How the signals work (so your clips actually pop)
| Signal | What streamerOS watches | Why it matters |
|---|---|---|
| Chat Velocity | Message bursts per second | Real-time excitement predictor |
| Super Chats/Actions | Financial or interaction spikes | Strong intent signals |
| Sentiment | Overall chat mood | Filters out noise vs. real hype |
Clip scoring weights: 50% chat velocity, 30% Super Chats/actions, 20% sentiment.
Step 1 — Wire OBS to streamerOS (once)
- Open streamerOS and connect to OBS via OBS Bridge. Follow the feature page guidance to point it at your OBS WebSocket v5.
- Confirm you can list/switch scenes from streamerOS. If scenes are visible, you’re bridged.
- In OBS, verify you’re recording locally. The VOD file is what streamerOS will score later.
Result: streamerOS sees your live session and can track what matters while you record locally.
Step 2 — Turn on Viral Moments before you go live
- Open Viral Moments. This live monitor tracks chat velocity in real time and auto-marks hype spikes.
- Keep it running during your stream. It silently collects timestamps and prepares a CSV of markers.
Result: Every burst of “this is nuts!” gets time-stamped automatically—no hotkeys, no moderators needed.
Step 3 — Stream as usual (optional: scene smarts)
- Just do your show. streamerOS will watch chat and mark spikes.
- Optional: If you want your production to react to hype (e.g., cut to facecam when chat explodes), set up rules in Auto-Director. That’s not required for clipping, but it can make hype spikes look better in the final cut.
Result: You finish a stream with a local recording and a set of spike markers ready to review.
Step 4 — Score your VOD in Clip Library
- After the stream, open Clip Library.
- Add your new VOD recording. streamerOS will compute a hype score for the session based on:
- 50% peak chat velocity
- 30% Super Chats/actions
- 20% sentiment (requires Ollama for AI sentiment)
- Let it finish scoring. You’ll get a ranked view highlighting the most promising sections.
Result: A data-backed short list of “clip candidates” across the VOD—no scrubbing for hours.
Step 5 — Get timestamped moments out (fast)
- In Viral Moments, export your hype spike markers to CSV.
- Cross-check against the top-ranked moments in Clip Library to prioritize the best of the best.
- Use those timestamps in your editor to jump straight to the action and cut. Because streamerOS is local-first, you’re working with your local files—no uploads, no waiting, no cloud.
Pro tip: Pad a bit of pre-roll and post-roll around the spike when you cut, so the moment reads clearly.
Step 6 — Package it quickly for social
- For each selected clip, spin up copy in Viral Engine to brainstorm titles, tags, and thumbnail angle ideas. It works locally with the same zero-cloud contract.
- Drop clips to your socials with smarter titles/tags aligned to the hype that actually happened.
Result: Finished highlights, posted faster, guided by real-time audience signals.
What “good” looks like
- Viral Moments CSV shows multiple timestamps clustered around your biggest chat bursts.
- Clip Library ranks your latest VOD near the top if the stream was lively.
- You cut 3–10 clips in minutes by jumping straight to data-backed moments.
Why this beats cloud clippers
- Zero-cloud privacy: streamerOS never uploads your video or chat; see Zero-cloud privacy.
- Tiny CPU footprint: it runs quietly alongside OBS; see Performance.
- No account hoops, no rate limits, no “processing queue” delays.
Make it smarter over time
- Calibrate your on-stream calls to action to drive chat velocity right before boss fights or big reveals. It directly feeds the 50% weight.
- Encourage actions (donos, subs, bits, Super Chats) during clutch moments. That 30% signal jumps your highlight rank.
- Keep Ollama running so sentiment contributes its 20%—it helps distinguish real hype from raw spam.
Common pitfalls (and quick fixes)
- OBS scenes don’t show in streamerOS: Reconnect via OBS Bridge and confirm OBS WebSocket v5 is enabled.
- No markers generated: Ensure Viral Moments was open while live and your chat source was active.
- Sentiment shows as inactive: Start Ollama locally before streaming so AI features can run. AI features in streamerOS need Ollama.
- VOD missing from Clip Library: Confirm you recorded locally in OBS and point Clip Library at the correct file.
FAQ
- Do I need a streamerOS or cloud account? No. streamerOS is local-first with zero-cloud by design.
- Can streamerOS cut the video file for me? It auto-marks and scores locally now. You’ll cut with your editor using the exported timestamps. Vertical auto-reframes are coming soon via “Shorts Factory” in v1.1 (not available yet).
- Does this work for YouTube streams too? Yes—the same pipeline applies.
Your next 30 minutes
- Connect OBS via OBS Bridge and verify scene control.
- Go live with Viral Moments open.
- After stream, score in Clip Library and export markers.
- Cut with your timestamps; title/tag via Viral Engine.
Do it once, and next stream your best Twitch moments will be auto-marked, scored, and ready to cut—no cloud, no busywork.