@MarcusLongmuir
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MML (Metaverse Markup Language) Project Lead & Head of R&D @MSquared_io
London, UK
Joined July 2010
- Tweets62
- Following112
- Followers220
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Marcus Longmuir retweeted
Starting a company should be as easy as running a Whatsapp group chat!
Introducing... Bolter⚡️ a new AI messenger that lets you create and join together teams of agents with colleagues and friends to automate your life, automate your work and build new kinds of organisations.
Bolter combines the best of slack, openclaw, whatsapp and includes a totally new way of making AI 'powered' applications that you can bolt together and host directly in the app or share with anyone. It also has a bunch of engineering from Improbable to extend how agents collaborate organically with each other, things nobody else has tried.
Its designed to be simple for non coders and lazy coders so we host automate and manage everything. It is incredibly powerful between companies not just inside silos.
Comment or retweet to join the alpha for free! more to come. Only a few spaces left.
2026 is going to be a great year for MML and WebGPU-powered experiences. We've been hard at work on some big pieces that are almost ready. 🧵 is worth a read.
2025 has been amazing for @MSquared_io and the open metaverse - over 300,000 interoperable MML (and VRM!) avatars now on-chain, and a growing number of worlds that use it. Want to share what’s in the oven right now for 2026 - it's just the start.
Marcus Longmuir retweeted
MSquared is known for delivering real-time social experiences at massive scale.
Our Morpheus platform has hosted thousands of users in shared virtual worlds.
Now we’re applying some of our learnings to Web Worlds, our open source, browser-native 3D platform — with new crowd support and sharper visuals.
Marcus Longmuir retweeted
Mass-scale multiplayer words are coming to the browser. Post @WebGPU on iOS in September it's going to be a whole other level!
We've just landed two big additions to the mml.io project:
🎨 Added support for @playcanvas as a renderer for the MML on web
🔍 viewer.mml.io - a standalone (and embeddable) viewer that supports rendering MML using @playcanvas, @threejs, or as raw tags
Try out a demo of viewing some static MML here: viewer.mml.io/main/v1/?url=h…
Marcus Longmuir retweeted
Today, we’re excited to begin regularly spotlighting the talented creators in our community who are building with MSquared and MML.
First up: meet Danilo Arantes (@Daarfi), a software developer using MML to hone his skills and push creative boundaries. From shaders to procedural mazes, his story highlights the power of open development.
Marcus Longmuir retweeted
Learning MML Day #484
Using the new Somnia World Builder tool, to go from interopable avatars, to interoperable items, to interoperable worlds.
Loading a metaverse world on the Web and Unreal, and the functionality stays the same, pretty sweet 🔥
Marcus Longmuir retweeted
New to MML ? Discover how it's redefining #Interoperability in virtual worlds with our new guided tour, showcasing some of the amazing things you can create using HTML and JavaScript.
guided-tour-9709e5_world-759…
📢Announcing the MML Editor Explore Page! 📢
Share & discover MML creations at
mmleditor.com/explore. In your project, click “Explore” to showcase your work.
Join us in building connected, interactive metaverse worlds! #Interoperability #MML
Marcus Longmuir retweeted
📢Announcing the MML Editor Explore Page! 📢
Share & discover MML creations at
mmleditor.com/explore. In your project, click “Explore” to showcase your work.
Join us in building connected, interactive metaverse worlds! #Interoperability #MML
Marcus Longmuir retweeted
How I created an OpenSource 3D game with @threejs and MML while live streaming the development of the entire game in a way that it could be watched inside the game itself 🤓
Time stamps:
00:00:00 - Intro
00:00:18 - The game engine
00:02:06 - The MML documents
00:04:06 - multi-player sync
00:07:58 - memory game example
00:09:20 - client-MML communication
00:10:50 - reusability and composability
00:12:06 - MML tags and attributes
00:13:32 - interoperability
00:14:11 - the platformer game
00:16:15 - more MML tags and attributes
00:18:16 - let’s write a game
00:24:52 - 3d objects with primitives
00:33:41 - creating interactive blocks
00:41:29 - creating click event handlers
00:44:30 - creating animation functions
00:51:25 - the game step function
00:59:22 - checking states for victory or draw
01:03:42 - creating display labels
01:15:16 - the reset game function
01:17:29 - the finished game
01:18:50 - final considerations
If you liked the project, please also follow these legends:
@MarcusLongmuir : the father of MML;
@MorgeseSacha and @deej_io : my buddies at the MML Team;
@RJFWhite and @HermanNarula : creating the craziest possible shit you can imagine (and some you can't even imagine yet) at @Improbableio
Marcus Longmuir retweeted
This Thursday join Professor @RJFWhite for our next #HowToMetaverse session with guests @TheCodeTherapy and @MarcusLongmuir
We will be demoing MServe - our solution for web hosted Worlds and MML objects
RSVP ➡️ nitter.cf/i/spaces/1yoKMwPolowJQ
Marcus Longmuir retweeted
Our next #HowToMetaverse session will cover MServe - our Metaverse Services for MML and Web Based World Hosting
with Speakers:
@RJFWhite
@MarcusLongmuir
@TheCodeTherapy
Join us this Thursday at 12pm PST
RSVP ⬇️ nitter.cf/i/spaces/1yoKMwPolowJQ
Marcus Longmuir retweeted
Great to see everybody on the metaversal dancefloor and recapping on our progress and future for @MSquared_io tech
- tens of thousands of players in one spot ✅
- interoperability and composable across any metaverse and world, XR, Unreal, web 👈 up next
- putting more of the metaverse on chain 👀
Check out mml.io if you haven't already!
MML working on the #VisionPro! Early days with the spatial UX, but we've got vision-based interaction, dynamic occlusion, and animations working 🎉
Expect more videos soon that show this off with more than our classic test document.
The mml.io prototype for #VisionPro now has glTF and gesture support so you can describe multi-user interactive 3D content with HTML and JavaScript (MML).
Demo: A live-edited HTML document served to the Vision Pro Simulator (left) and a web client (right)
Marcus Longmuir retweeted
Just integrated @OpenAI GPT4-Vision into MML to enable interoperable metaverse agents with sight.
Of course the first thing to make was ROASTMASTER 9000 that seriously judges you for your metaverse outfit choices...
@HermanNarula you may want to close your ears
Marcus Longmuir retweeted
100 Days of MML 🌐:
A journey of exploration, creativity & collaboration, and yes also bugs, glitches, failing and making mistakes.
But through it all, a commitment to transparency and open communication.
Happy anniversary @MSquared_io