led by David Baszucki
The game platform whose Studio now ships its own AI assistant and MCP server
Anyone making a Roblox game meets Roblox's AI whether they want it or not: Assistant ships inside Studio, and outside agents connect through its MCP server. The tools only target Roblox, though. With 42,000-plus creators paid through DevEx, the audience is the draw, not the AI itself.
| Tool | Price from | Free plan | Runs on | Rating |
|---|---|---|---|---|
| Free | Yes | Mac · Windows | 3.7 |
| Product | What it is |
|---|---|
| Roblox Studio | Desktop game editor |
| Roblox Assistant | AI assistant inside Studio |
| Roblox Studio MCP server | CLI / dev tool |
| Cube | Open 3D foundation model |
| Build | Mobile AI game creation (alpha) |
Through venture rounds, then a direct listing instead of an IPO. A February 2020 Series G led by Andreessen Horowitz raised $150 million at a $4 billion valuation, and a January 2021 Series H led by Altimeter Capital and Dragoneer valued the company at $29.5 billion, as reported by Reuters at the time. Its class A shares began trading on the New York Stock Exchange on 10 March 2021.
Roblox Corporation is a public company, so its class A shares are owned by public investors and trade under the ticker RBLX. Co-founder David Baszucki is chief executive, per the company's leadership page. The other co-founder, Erik Cassel, died in 2013.
By default, yes, for anything published on or after 10 July 2024. The AI data sharing page in the Creator docs says games, avatar items and paid Creator Store assets are shared unless the creator switches it off in Creator Hub settings, while free Creator Store assets are always shared. Withdrawn data leaves the training set within 30 days, and models trained on it are updated within 365 days.
Most of the biggest ones. In a 13 November 2026 newsroom post, Roblox said the creators of over 80% of the top 100 games by hours played use AI tools, and that a game built almost entirely with AI reached its top 10 by concurrent players in September. It also said daily asset uploads tripled in October.
Build is a creation tab in the mobile Roblox app that turns a typed description into a starter game. Its alpha was open to age-checked users 9 and older, while published Build games are shown to age-checked users 16 and older. Roblox says over 500,000 people in four countries tried it and published more than 70,000 games, that it is now in Canada, and that the US follows later in 2026.
Roblox is the San Mateo company, founded in 2004, behind the Roblox game platform and Roblox Studio. Its AI work covers Assistant, a Studio helper that writes Luau scripts and playtests games, a Studio MCP server for outside agents, and Cube, a 3D foundation model. Over 80% of top-100 game creators now use AI tools.
Roblox Corporation was founded in 2004 in Menlo Park, California, by David Baszucki and Erik Cassel, who had earlier built the physics education software Interactive Physics together. The game platform itself launched on 1 September 2006. Cassel died in 2013; Baszucki is still founder and chief executive, according to the company's leadership page read on 15 November 2026. Headquarters are in San Mateo, California, and the class A shares have traded on the New York Stock Exchange as RBLX since a direct listing on 10 March 2021.
Roblox makes two things that matter to an AI directory. The first is the platform: a free game client plus Roblox Studio, the free editor where creators build games in Luau, Roblox's typed dialect of the Lua language. The second is the AI layer it has built into Studio over the last two years: Roblox Assistant, a chat panel that writes and edits scripts, inserts Creator Store assets and runs playtests; a Studio MCP server that lets outside agents such as Claude Code, Codex and Cursor read and edit an open place; Code Assist completions in the script editor; and generators for materials, textures, meshes and procedural models. Assistant also accepts a creator's own API key, per the Studio docs: Claude models from Anthropic, GPT models from OpenAI, or Gemini from Google.
The research behind the 3D side is Cube, a foundation model Roblox announced in March 2025 and publishes on GitHub. On 4 February 2026 Roblox put 4D generation into beta: objects generated from a prompt that also work, such as a five-part car whose wheels turn under script control. On 16 July 2026 it announced Build, a creation tab inside the mobile Roblox app, with a public alpha that started in New Zealand on 28 July.
The scale numbers come from Roblox's own newsroom. A post dated 13 November 2026 says 138 million people arrive every day and that daily active users of the MCP server grew nearly fivefold after 30 June. The same post says more than 500,000 people in New Zealand, Singapore, Serbia and Thailand tried Build in alpha and published over 70,000 games. The company earns mainly from Robux, the virtual currency players buy, and shares it with creators through the Developer Exchange (DevEx) programme: over 42,000 creators are in DevEx, and the median one received about US$1,500 in the 12 months to 30 June 2026.
PocketGamer.biz, citing the annual report in an April 2026 article, counted 3,065 full-time employees at 31 December 2025, up from 2,474 a year earlier, with about three in four in product and engineering. The leadership page lists a chief safety officer and a chief information security officer beside the usual finance, legal and growth roles.
Where Roblox loses: its AI only helps you build for Roblox. A studio that wants to ship the same game to Steam, consoles and phones under its own name still works in Unity or in Epic Games' Unreal Engine, and our Unity coding guide covers that side; Roblox Everywhere, which would publish standalone apps, is only announced. Assistant capacity is also tight: a Studio product manager said in a March 2026 staff Q&A that GPU supply is the biggest bottleneck and pointed creators to their own API keys at peak hours. For pure 3D asset work, specialist generators such as Meshy give more control over the export.
Everything on this page (funding, leadership, compliance posture, the product list) is read from Roblox's own pages and filings, or from the Hokai records for the products it ships. A field the company does not publish is left off the page rather than guessed at.