Software developer & IT architect from Vienna, now based in PreΕ‘ov, Slovakia. I build apps, tools and infrastructure, and I run Kainzmayer (Software-Entwicklung & IT-Technik).
Everything here was built by me, with a lot of help from AI tools. I design, decide, test and ship.
- π Website: kainzmayer.xyz
- π± Apps: Showroom
- π‘οΈ PKI and signing: pki.kainzmayer.xyz
- π« Security contact: security@kainzmayer.xyz
| App | What it does | Platforms | Status |
|---|---|---|---|
| Beaut1fy | Uses AI to polish copied text and masks personal data on-device | macOS, iOS, Android | π’ Live on the Mac App Store Β· iOS in App Store review |
| LaneBuddy | DNS-based protection against ads, trackers and known threats, with per-app control | macOS, iOS, Windows, Linux, Android, HarmonyOS | Free, optional Pro |
| Hasky | Desktop task manager with live CPU, memory, GPU, disk, network and process data | macOS, iOS, watchOS, tvOS, Windows, Linux, Android, Web | Free, optional Pro |
| Matrix Commander | Two-pane file manager in the Norton Commander style, with an encrypted Matrix Drive and MCP control for AI agents | macOS, iOS, Windows, Linux, Android | Paid |
| FeatherShot | Screenshot tool with arrows, frames, text and magnifier | macOS, Windows, Linux, Chrome | Free, open source |
| Calcy | Calculator windows that dock edge-to-edge, with skins, 8-bit click sounds and 20+ languages | macOS, iOS, Windows, Linux, Android | Paid |
| Das Lebenswunder | Multi-platform reading app for a book by Isabell Frey, with text-to-speech and interactive reading | macOS, iOS, watchOS, tvOS, Windows, Linux, Android, Web | Paid |
| F1nn | Finds a button on screen and clicks it when it appears, so AI agents keep running (Cursor today, Codex planned) | macOS, Windows, Linux | Free, open source |
| Clay | Open-source image editor with layers, masks, retouching, filters, a plug-in shop and an MCP interface for AI agents | macOS, Windows, Linux | Free, open source |
π’ Beaut1fy is the first app of the Kainzmayer studio to go live. More apps are on the way. FeatherShot was the first app I started with.
| Repository | What it is |
|---|---|
| claude-code-mint | Recolors the Claude Code extension in VSCodium, as a script and an agent skill |
| lanebuddy-ai | LaneBuddy for AI agents: the /lanebuddy skill, the manual and the API reference |
| FeatherShot | Lightweight screenshot annotations |
| clay | Clay Image Beautification Program |
| cursor-auto-runner | Free system-tray app that clicks Run / Allow in the Cursor IDE (F1nn) |
| lanebuddy-pki | The public half of my PKI that signs LaneBuddy, with a pinned install script |
| arch | Pacman repository for my packages |
| apt | APT repository for cursor-auto-runner (Debian/Ubuntu) |
| homebrew-tap | Homebrew tap for Cursor Auto Runner |
Private repositories (source not public yet): Lane, Buddy, Beautify, Matrix Commander, Hasky, Calcy, and the LaneBuddy installers in lane-downloads.
- Data centres & infrastructure: servers, networking, virtualisation, storage and backup
- Custom software: backends, interfaces and automation
- Apps from one codebase: iOS, Android and desktop
- Security & PKI: certificates, signatures and zero trust
- IT operations: monitoring, patching and emergency planning
- Phone systems & voice bots: multilingual
- Web & e-commerce: design and shops
Languages & frameworks: Swift, TypeScript, JavaScript, Python, PHP, SQL, PowerShell, HTML/CSS, React, Ionic, Dart Platforms: Apple (macOS, iOS, watchOS, tvOS), Windows, Linux, Android, Web Infrastructure: VMware vSphere, Hyper-V, Linux and Windows Server, Active Directory, pfSense, Docker, AWS, Microsoft Azure, DNS, DHCP Security: IT security, ISMS, PKI and SSL certificate management, zero trust AI: AI agents, MCP servers, and building tools with AI assistants
Studied and practised in depth:
- LLMs & agentic engineering: building agents, MCP servers and tool use
- Context window engineering: what to put in, what to leave out, and how to keep long work reliable
- AI engineering & AI generalist work: combining models, tools and workflows across a product
- Multimodal AI: image, audio, code, text and video
- Since 1999 in IT, from system administration and web development to IT leadership
- Head of IT & Data Protection Officer (2014β2022), data centre and IT architecture
- Head of DevOps (2012β2014), web, hardware and software development
- Built and merged two server rooms into one high-availability data centre during live production
- Inventory software connected to cash register, accounting and suppliers
- Native iOS and Android app with offline mode and signed PDF reports (passed store review on the first attempt)
- Leadership: chairman of the board of a development non-profit (2022β2024)
Languages: German (C2), English (B2), Slovak (A1)
π Full profile, references and contact: kainzmayer.xyz Β· π« Contact: via the form on the website


