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nanocosmos Builders Hub

Build real-time video, AI powered

Every tool in the nanocosmos platform, in one place. Create streams, go live, and add captions, branding, analytics and security. Real-Time Video That Simply Works.

What do you want to build with real-time video?

Describe it in a sentence or two, and we set the Builders Hub up for it.

Create a stream: go live from your browser or your own encoder, and watch it play in real time.

Streams

Live wall

Every stream that is live right now, muted. It updates on its own.

Create captions: log in, pick your stream and turn on live captions and translations.

Adaptive Bitrate Streaming

Your stream in extra qualities, so every viewer gets the best picture their connection can carry. Tell us who watches, we suggest the qualities, then go live from your encoder and watch each one.

Branded outputs player

Your chroma key setup playing side by side: the green-screen input and every branded output. Change the key in Chroma key setup, then watch the result here.

Build with AI

Our Agent Skills teach your AI assistant the nanocosmos platform. They use the open Agent Skills format, so they work with Claude Code, Cursor, Copilot, Codex, Windsurf and any assistant that reads it. Add them once and ask in plain words: create a stream, read your numbers, find out why a stream will not play, set up branded outputs.

How to add the skills

  1. Any assistant (Cursor, Copilot, Codex, Windsurf, Claude Code and others): npx skills add nanocosmos/nanocosmos-skills -g and pick your assistant. With the GitHub CLI: gh skill install nanocosmos/nanocosmos-skills.
  2. Claude Code, as one plugin with every skill: claude plugin marketplace add nanocosmos/nanocosmos-skills, then claude plugin install nanocosmos@nanocosmos.
  3. By hand: copy a skill's folder into your assistant's skills or rules folder, or point your assistant at its SKILL.md.
  4. Give it your credentials the way its instructions say: an API key or access token in an environment file, never pasted into the chat.

Every route and the full instructions: the repository README.

From the docs

From the docs

Packages

Every package runs the whole nanocosmos platform ↗. Compare them side by side, and pay monthly or yearly. Prices exclude VAT.

Traffic calculator

Enter your streams, viewers, bitrate and hours to see your monthly traffic. Add the features your industry needs, and ask us for a quote.

Real-Time Streaming with MOQ: end-to-end streaming, with our browser-based encoder or your own.

Live Captions: real-time, multi-language, download-ready (VTT/SRT/TXT).

Live & Replay Player: DVR-style rewind on a live stream, one player component.

Multi-camera switching: cut between angles, all synced to one low-latency pipeline.

Multi-camera setup: add your camera angles, then cut between them on one low-latency pipeline.

Multi-Player: switch between streams, or watch them all together.

On-Demand Recording: record a live session, play it back on demand.

Chroma Key Setup with sample content: a live composite on our demo stream, keying one green-screen ingest into branded outputs.

Loading the live composite…

Chroma Key Setup: add your API key, key your green-screen stream and push every branded output live.

Multi-Branding for Live Dealers: one table feed, four branded casino outputs.

Multi-Branding for Influencers: one stream, four branded operator outputs.

Multi-Branding for Commentators: one stream, four branded commentary outputs.

nanoStream Analytics: viewers, usage, latency and quality, plus boards you set up your way.

Guardian: revoke a playback token instantly if a stream turns up somewhere it shouldn't.