STUD: The "Roblox Cursor" by a 14-Year-Old—Free, Open-Source, and Powerful
2026-02-18 | ProductHunt | Official Site | GitHub
30-Second Quick Judgment
What is it?: An AI coding assistant for Roblox developers. You tell it in natural language, "Build me a drivable car," and it handles the models, scripts, and configurations directly inside Roblox Studio. Essentially, it's Cursor, but custom-built for Roblox Studio.
Is it worth watching?: If you are a Roblox developer, absolutely. It is currently the most feature-rich, fully open-source Roblox AI tool, featuring 27+ specialized tools and support for multiple AI models. If you don't develop for Roblox, the product itself won't be directly useful—but its "Vertical Cursor" approach is something every developer should study.
Three Key Questions
Is it relevant to me?
Who is the target user?: Roblox game developers—from total beginners to pros looking to speed up. The Roblox ecosystem has 3.1 million active developers and 12 million monthly active creators, 75% of whom are under 24.
Am I the target?:
- If you build games in Roblox Studio → You are the core user.
- If you're interested in "AI-powered vertical dev tools" → It's worth studying its architecture.
- If you have nothing to do with Roblox → Just a quick look is enough; focus on the product philosophy.
When would I use it?:
- Rapidly prototyping a Roblox game → Use natural language to have STUD write Luau scripts and create instances.
- Debugging DataStore data → Query and update directly in the terminal without digging through Studio menus.
- Searching Toolbox assets → AI helps you find the right resources and places them directly into your scene.
Is it useful?
| Dimension | Benefit | Cost |
|---|---|---|
| Time | No more copy-pasting from ChatGPT; AI writes directly into Studio. | Initial setup takes about 15-30 minutes (requires Node.js + Rust). |
| Money | The tool itself is completely free. | Requires your own API Key (OpenAI/Anthropic) or a ChatGPT Plus account ($20/mo). |
| Effort | 27+ tools cover most dev scenarios, reducing context switching. | Terminal-based operation, which is less intuitive than a Studio plugin. |
ROI Judgment: If you spend more than 2 hours a day in Roblox Studio, STUD can likely save you 30-50% of repetitive labor. Being free and open-source, the cost of trial is nearly zero. The only barrier is getting used to a terminal workflow.
Is it enjoyable?
What's the "Wow" factor?:
- Build game objects with one sentence: No need to write a single line of code. Say "Create a car that players can drive," and the AI creates the model, writes the script, and configures the properties.
- Real-time visibility: Every action has a diff preview. Sensitive operations require your approval before execution, so you won't break your project.
- Undo support: Every AI change creates an undo node, allowing you to roll back at any time.
What are users saying?:
"Most AI coding tools are built for text files. Roblox Studio is different — it's a visual tree of instances, properties, and Luau scripts. Stud bridges this gap." — Official README
"Tools like ChatGPT and Gemini struggle with Roblox specifics — returning deprecated APIs, functions that don't exist, or scripts that try to write to ServerStorage from a LocalScript." — A common complaint from Roblox DevForum developers about general AI, and the reason STUD exists.
The product is quite new (launched on ProductHunt in May 2025), so independent reviews are still sparse, but discussions about AI coding tools on the Roblox DevForum are very active, indicating a real demand.
For Indie Developers
Tech Stack
- Frontend: React (shadcn/ui + prompt-kit components, Zustand for state management)
- Backend: Rust (Tauri desktop app + Warp HTTP Bridge on port 3001)
- AI Integration: Vercel AI SDK, supporting OpenAI (GPT-4/GPT-5/o3), Anthropic (Claude), and ChatGPT Plus/Pro OAuth
- Studio Plugin: A Roblox Studio Plugin written in Lua, using 100ms polling to communicate with the Bridge
- Tool Definitions: Zod schemas
Core Implementation
The architecture has three layers: Stud UI (React Frontend) → Bridge (Rust/Warp HTTP Server on port 3001) → Studio Plugin (Lua, 100ms polling).
Why polling? Because Roblox Studio can only send HTTP requests; it cannot receive them. The Bridge server acts as the middleman—the frontend sends AI commands to the Bridge, and the Plugin asks every 100ms, "Is there a new task?" Once it gets a command, it executes it within Studio.
This architecture is great because it requires zero modifications to Roblox Studio itself—you just need a lightweight plugin.
Open Source Status
- Fully Open Source: MIT License
- Repository: github.com/madebyshaurya/stud
- Includes a CLAUDE.md style guide; community contributions are welcome.
- Build Difficulty: Medium (estimated 1-2 person-months). The core challenge is the Roblox Studio Bridge architecture and the schema design for 27+ tools.
Similar Open Source Projects
- RoPilot (Studio plugin format, also open-source)
Business Model
Currently completely free with no paid tiers. Users bring their own API Key or use existing ChatGPT Plus/Pro accounts. As an open-source project by a 14-year-old developer, there are currently no commercialization plans.
Giant Risk
High Risk. Roblox is already working on similar features:
- Roblox Assistant: The official built-in AI assistant. Though criticized for being slow and inaccurate, it is iterating constantly.
- Cube Foundation Model: Released in Feb 2026 with 4D generation capabilities. An open-source 1.8B parameter model that has already generated over 1.8 million objects.
- Code Assist: The official AI code completion tool.
In the short term, STUD's advantage is quality: official tools are often criticized for being slow and buggy, while STUD connects to top-tier models like GPT-4 and Claude. Long-term, however, Roblox will inevitably improve its native offerings.
For Product Managers
Pain Point Analysis
- Problem Solved: Roblox Studio isn't a pure text editor; it's a hybrid of a visual instance tree, properties, and Luau scripts. Existing AI tools (Cursor/Copilot) are completely incompatible with this environment.
- Severity: High-frequency, core need. The previous workflow was "copy code to ChatGPT → paste back to Studio → debug → repeat." General AI is also unfamiliar with Roblox-specific APIs, often generating deprecated or non-existent functions.
User Persona
- Core User: Roblox indie developers / small teams (1-3 people).
- Extended User: Creators who can't code but want to make games.
- Usage Scenario: Scripting, instance manipulation, and data debugging in daily Roblox game development.
Feature Breakdown
| Feature | Type | Description |
|---|---|---|
| NL Luau Scripting | Core | Describe a need, AI writes the code directly. |
| Studio Instance Control | Core | Create/move/delete/modify any instance. |
| DataStore Querying | Core | Test and debug player data. |
| Toolbox Search | Core | Find and use ready-made assets. |
| Sub-agents | Differentiator | Split complex tasks among multiple AI agents. |
| MCP Protocol Support | Differentiator | Extensible custom tools. |
| Language Server | Differentiator | Intelligent code navigation and diagnostics. |
Competitor Comparison
| Dimension | STUD | RoCode v2.0 | RoPilot (ropilot.ai) | Roblox Assistant |
|---|---|---|---|---|
| Format | Terminal TUI + Bridge | Studio embedded widget | Studio Plugin / Web | Official Built-in |
| Price | Free & Open Source | Free Beta | Free (250/mo) + Paid | Free |
| AI Models | GPT-4/5/o3, Claude | Undisclosed | Claude Code | Official Models |
| Open Source | MIT | No | Plugin is open source | No |
| Core Advantage | Most features (27+), MCP, sub-agents | No window switching | Commercially mature | Official support |
| Core Disadvantage | Requires terminal usage | Limited features | Subscription cost | Slow, inaccurate |
Key Takeaways
- "Cursor for X" Model: Find a large platform (3.1M Roblox devs) + a gap where existing AI tools can't reach = a valuable vertical product.
- Bridge Architecture: When a target platform doesn't support direct integration, use HTTP polling + a middle server to bridge the gap. Simple but effective.
- Permission Design: Diff previews + approval for every action are crucial for AI Agent products.
For Tech Bloggers
Founder Story
This is likely the most viral part of the story:
- Founder: Shaurya Gupta (@madebyshaurya)
- Age: 14. Yes, fourteen.
- Location: Hamilton, Ontario, Canada.
- Background: 2024 Apple Swift Student Challenge Scholar, Buildspace S5 Grant Winner.
- Tech Stack: Next.js + SwiftUI + Rust (hard to believe this is a middle-schooler's stack).
- Other Projects: SpendSmart (Open-source AI receipt tracker), Fizzix (Physics sim, Swift award winner), SafeText.
- X Followers: 6,000+
A 14-year-old Canadian kid built an AI Agent system using React, Rust, and Lua, and launched it on ProductHunt. That's a fantastic narrative angle.
Controversies / Discussion Points
- The Verticalization of AI Coding Tools: Cursor does general coding; STUD does Roblox coding. Will we see "Cursor for Unity" or "Cursor for Unreal" next?
- 14-Year-Old Dev vs. Giant Roblox: How far can a solo open-source project go against Roblox's massive AI resources (Cube Model, Assistant)?
- Sustainability of Open-Source AI: How does a completely free tool with no business model survive?
Hype Data
- PH Votes: 85 (Moderate hype).
- GitHub: MIT Licensed, open for contributions.
- Sector Heat: The Roblox AI coding space has seen 6+ products emerge in the last 6 months (RoCode, RoPilot, Ropanion, SuperbulletAI, Studs.gg, Lemonade). The sector is hot.
Content Suggestions
- Angle: "A 14-Year-Old Built the Cursor for Roblox"—the contrast between age and technical skill is highly shareable.
- Trend Jacking: Connect it to Roblox's Feb 2026 release of the Cube Foundation Model 4D generation to tell a story about the "Roblox Developer Tool Explosion."
For Early Adopters
Pricing Analysis
| Tier | Price | Features | Is it enough? |
|---|---|---|---|
| Open Source | Free | All features | Fully sufficient |
| AI Cost | Pay-as-you-go API | Depends on usage | GPT-4 is ~$0.01-0.03/request |
| ChatGPT Plus | $20/mo (if owned) | OAuth login, no API key needed | Zero extra cost for existing users |
Hidden Costs: API fees. Heavy use of GPT-4/Claude could cost $5-20/month. However, if you already have ChatGPT Plus, you can log in via OAuth at no extra cost.
Getting Started
- Setup Time: 15-30 minutes.
- Learning Curve: Medium (requires terminal familiarity).
- Steps:
- Clone the repo:
git clone https://github.com/madebyshaurya/stud.git - Install dependencies:
npm install - Run in dev mode:
npm run tauri dev - Install the companion plugin in Roblox Studio.
- Configure your AI provider (OpenAI Key / Anthropic Key / ChatGPT Plus OAuth).
- Clone the repo:
Prerequisites: Node.js, Rust toolchain (required for Tauri).
Pitfalls and Complaints
- Terminal workflow isn't for everyone: If you're used to dragging and dropping in Studio, switching to a terminal might feel clunky. Competitors like RoCode and Ropanion are embedded directly in Studio.
- Polling Latency: 100ms polling means actions aren't instantaneous; complex operations might have a noticeable lag.
- Very Early Stage: The community is small; you might have to dig through source code to solve issues. Documentation is still being polished.
Security and Privacy
- Data Storage: Runs locally; code is not uploaded to third-party servers.
- AI Calls: Calls OpenAI/Anthropic via your own API Key; data flow depends on your chosen provider.
- Permissions: Sensitive operations (file writes, bash commands) require manual approval with a full diff preview.
Alternatives
| Alternative | Advantage | Disadvantage |
|---|---|---|
| RoCode v2.0 | Embedded in Studio, no window switching | Beta stage, limited features |
| Ropanion AI | Free + supports OpenRouter free models | Fewer features than STUD |
| RoPilot (ropilot.ai) | Commercially mature, based on Claude Code | Requires payment (250/mo free) |
| SuperbulletAI | 1M tokens/month free | Standalone tool, not open-source |
| Roblox Assistant | Official, no installation needed | Often slow and inaccurate |
For Investors
Market Analysis
- Roblox Platform Scale: Market cap ~$81.47B, 2025 projected revenue $4.83-4.88B.
- Developer Ecosystem: 3.1 million active developers, 12 million monthly active creators.
- Developer Earnings: Over $1B earned by devs in 2024-2025, up 31%+ YoY.
- User Growth: DAU grew from 77.8M (Q1 2025) to 151.5M (Q3 2025), with 500M MAU expected by 2026.
- AI Coding Market: Global AI coding assistant market is booming (Cursor valued at $100B+), but vertical engine-specific tools are just beginning.
Competitive Landscape
| Tier | Players | Positioning |
|---|---|---|
| Giants | Roblox (Assistant + Cube + Code Assist) | Official full-stack AI tools |
| Commercial | RoPilot (ropilot.ai), Lemonade | Paid SaaS |
| Open Source | STUD, RoCode, Ropanion | Free/Open-source tools |
| General AI | Cursor, GitHub Copilot | Not optimized for Roblox, but evolving |
Timing Analysis
- Why Now: Official Roblox AI tools (Assistant) have been widely criticized, leaving a massive experience gap. Meanwhile, base models like GPT-4/Claude are now powerful enough to drive vertical tools.
- Tech Maturity: AI models are ready, and Roblox Studio's plugin APIs are open enough to support these integrations.
- Market Readiness: The demand for AI tools in the Roblox dev community is intense—proven by 6+ competitors launching within six months.
Team Background
- Founder: Shaurya Gupta, 14, Canada.
- Core Team: 1 person (solo project).
- Track Record: Apple Swift Student Challenge 2024 Scholar, Buildspace S5 Grant Winner.
- Technical Ability: Full-stack (React + Rust + Swift + Lua), with multiple independent open-source projects completed.
Funding Status
- Raised: None (Personal open-source project).
- Investors: None.
- Business Model: Not yet established.
Investment Perspective: As an investment target, STUD is too early (14-year-old solo dev, no business model). However, the "Roblox AI Dev Tool" sector is highly worth watching—3.1M developers, $1B+ annual earnings, poor official tools, and a surge of new startups.
Conclusion
Final Verdict: STUD is an impressive open-source project—not just because of its user count, but because a 14-year-old used React, Rust, and Lua to build the most feature-complete Roblox AI assistant, perfectly targeting the gaps in Roblox's official AI.
| User Type | Recommendation |
|---|---|
| Developers | Worth Studying — The "Cursor for X" architecture (React + Rust Bridge + Polling) can be reused for other platforms that don't support direct AI integration. |
| Product Managers | Worth Watching — A validation of vertical AI coding demand: 6+ competitors in 6 months proves the pain point is real. |
| Bloggers | Worth Writing — The "14-year-old's open-source AI" angle is highly viral and fits the broader trend of AI dev tool explosions. |
| Early Adopters | Roblox Devs should try it — Free and open-source with zero risk, provided you're okay with a terminal workflow. If you don't do Roblox, skip it. |
| Investors | Watch the sector, not the individual — There's an opportunity in this space, but STUD as a solo project is too early for traditional investment. |
Resource Links
| Resource | Link |
|---|---|
| Official Site | trystud.me |
| GitHub | madebyshaurya/stud |
| ProductHunt | producthunt.com/products/stud |
| @madebyshaurya | |
| Roblox Cube Model | about.roblox.com |
| Roblox Stats | digiexe.com |
| RoPilot Pricing | ropilot.ai/pricing |
2026-02-18 | Trend-Tracker v7.3