AI tool that turns prompts into buildable Minecraft Java structures.
Krafta.ai is a working AI-powered desktop prototype that turns natural-language requests into structures that can be reviewed and built directly inside Minecraft Java. The application combines AI-assisted generation, 3D processing, voxel conversion, Minecraft block and color mapping, a visual editor, and a custom Fabric integration to create an end-to-end building workflow. Users can describe what they want to create, generate a project, review it visually, approve it, validate the build location, and send the structure directly into a Minecraft Java world. Current functionality Windows desktop application built with Python and Qt Natural-language project requests AI and 3D generation workflows Meshy integration for 3D generation OpenAI integration for supported workflows Automatic voxel conversion Minecraft material and color mapping Visual 3D project editor Explicit confirmation before paid AI generation Generation and request status tracking Local Worker and Bridge architecture Custom Minecraft Java Fabric integration Project validation before construction Direct construction inside a Minecraft world Support for Minecraft BlockStates such as stairs, slabs and directional blocks Recovery mechanisms for interrupted tasks Local service health monitoring Automated offline test suites The core workflow has been tested successfully end-to-end, including real structures generated, validated and constructed inside Minecraft Java. Development stage Krafta.ai is a working pre-revenue prototype. The core technology and Minecraft integration work, but the project still needs product polish, standalone packaging, onboarding improvements and additional user-facing refinements before a commercial launch. It has not been publicly launched and currently has no revenue. Technology Python, PySide6 / Qt, Java, Fabric, HTML/JavaScript, OpenAI API, Meshy API and a local Worker/Bridge architecture. What is included The sale includes the Krafta.ai source code, desktop application, backend components, local Bridge, Fabric integration source, visual editor, automated tests, project assets and existing development work. Third-party accounts, API credits, personal credentials and intellectual property belonging to Minecraft, Mojang Studios, Microsoft or other third-party providers are not included. The buyer will use their own Minecraft Java installation and their own API credentials for paid third-party services. Why I am selling I developed Krafta.ai as a personal AI/software project and reached a functioning prototype with real Minecraft integration. I have decided to focus on a different project rather than continue developing and commercializing Krafta.ai. I would like to transfer it to a developer, indie hacker or team interested in continuing the product. Krafta.ai is an independent project and is not an official Minecraft product and is not affiliated with or endorsed by Mojang Studios or Microsoft.
Project details
Next step: <p>The buyer could turn Krafta.ai from a working prototype into a commercial product by packaging the Windows application into a standalone installer, improving onboarding and UI polish, and adding user accounts, licensing, subscriptions, or one-time payments.</p><p>Other opportunities include expanding the visual editor, supporting additional AI and 3D generation providers, improving automatic structure generation, adding more Minecraft building features, creating a public website and documentation, and building a community around AI-assisted Minecraft creation.</p><p>The core generation-to-Minecraft workflow is already working, so the next stage is primarily productization, distribution, and commercialization.</p>
For sale
Asking price: $2,500 USD
What's included
Source code, All related design work, All related data
The sale also includes the existing desktop application, local Worker and Bridge components, Minecraft Java/Fabric integration source, visual 3D editor, automated tests, development documentation, project assets, existing project configurations, and the current Krafta.ai branding. Personal credentials, API keys, paid API credits, Minecraft/Mojang/Microsoft intellectual property, and third-party accounts are not included.
Reason for selling
I built Krafta.ai as a personal software and AI project and successfully developed it into a working prototype with real Minecraft Java integration. I have decided to focus my time and energy on a new project rather than continue taking Krafta.ai through product packaging, launch, and commercialization. The project is functional and has significant development work already completed, so I would prefer to transfer it to a developer or team interested in continuing it rather than leave it unused.
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