# Work & Writing I write these to work out what I think, and most of the projects are things I wanted to use myself, so they sit together here. Start here 1. [Home Lab Raspberry Pi recovery architecture](/work/home-lab) 2. [GPUShare Self-hosted GPU sharing platform](/work/gpu-share) 3. [Malware Classifier Backdoors Academic classifier robustness study](/work/malware-classifier-backdoors) 4. [Grid Diffusion AD Diffusion-based fault detection study](/work/grid-diffusion-ad) ## 2026 - [View case study](/work/personal-language-corpus) ### [Personal Language Corpus](/work/personal-language-corpus) A small corpus built from my own transcripts and exports, with provenance attached so an observation can be traced back to the passage behind it. - Python - Research - Writing tools - [View case study](/work/the-city) ### [The City](/work/the-city) I saw [AI Office](https://sael.net/ai-office) showing Claude Code agents as robots at desks, and wanted something that fitted the way I work. In The City, each project folder is a building and each team has a floor of robots, so I can see which ones need me. - AI - Architecture - UX design [Source code](https://github.com/Slaymish/theCity) - [View case study](/work/typed-diff-questions) ### [Typed Diff Questions](/work/typed-diff-questions) A narrow question about a diff can be scored, where a whole code review can't. This was a test of whether a bank of typed questions gives a usable signal. - AI - Developer tools - Research - [View case study](/work/conversational-timing-lab) ### [Conversational Timing Lab](/work/conversational-timing-lab) I wanted to know whether a pause means somebody has finished or is just thinking, so I built a lab around that difference. - Machine learning - Research - Voice [Source code](https://github.com/Slaymish/conversational-timing-lab) - [View case study](/work/sprint-coach) ### [Sprint Coach](/work/sprint-coach) Nathan’s coaching business grew by word of mouth. His first website needed to show athletes and parents who they would be training with, and make the next step easy. - Front-end development - UX design - [View case study](/work/wake-on-join-minecraft) ### [Wake-on-Join Minecraft](/work/wake-on-join-minecraft) A Paper server for a few friends that sleeps when nobody's playing and wakes when somebody tries to join. - Automation - Cloud infrastructure - Games [Source code](https://github.com/Slaymish/YayMinecraftServer) - [View case study](/work/brontehf) ### [BrontëHF](/work/brontehf) Brontë brought the design. I built the portfolio around it, with the project content in a CMS so they could keep updating it themselves. - Front-end development - [View case study](/work/you-inc) ### [You Inc](/work/you-inc) I wanted one view of what I own, owe, earn and spend. I built You Inc around a ledger, then took the accounts and billing back out so people could run it on their own machine. - Architecture - Data pipelines - Finance - Front-end development - Self-hosted - UX design [Source code](https://github.com/Slaymish/YouInc) - [View case study](/work/otto) ### [Otto](/work/otto) Otto is a voice and text assistant for the Mac, built as a Swift app on top of the voice-os project. - AI - macOS - Swift - Voice [Source code](https://github.com/Slaymish/Otto) - [View case study](/work/lumen) ### [Lumen](/work/lumen) Lumen connects an Obsidian vault to a local research backend, so related notes surface while you write and reports come out of what's already there. - AI - Obsidian - Python [Source code](https://github.com/Slaymish/Lumen) - [View case study](/work/synod) ### [Synod](/work/synod) Synod reads your journal through a set of value agents and writes their disagreements back into the vault as a bulletin. - AI - Obsidian - TypeScript [Source code](https://github.com/Slaymish/Synod) - [View case study](/work/flat-power-calculator) ### [Flat Power Calculator](/work/flat-power-calculator) The flat power bill, minus the server's share, split five ways. The person whose machine runs all day pays for it. - Automation - Finance - TypeScript [Source code](https://github.com/Slaymish/PowerCalculator) - - [26 March 2026 Writing](/posts/splitting-the-stack-and-making-setup-actually-work) ### [Splitting GPUShare into two services](/posts/splitting-the-stack-and-making-setup-actually-work) [I split GPUShare’s accounts from the hardware services, then found the installer still pointed at a service I’d removed.](/posts/splitting-the-stack-and-making-setup-actually-work) [- AI- Architecture- Economics- Self-hosted](/posts/splitting-the-stack-and-making-setup-actually-work) - [Read the story](/work/gpu-share) ### [GPUShare](/work/gpu-share) My desktop GPU sits idle most of the day. I built a way for friends to share it for local AI and rendering, with the limits of a home machine visible. - AI - Architecture - Economics - Front-end development - Self-hosted - UX design [Source code](https://github.com/Slaymish/GPUShare) - - [21 March 2026 Writing](/posts/building-a-private-ai-server-for-friends) ### [Sharing my GPU with friends](/posts/building-a-private-ai-server-for-friends) [I built GPUShare around my desktop GPU. The accounts, routing and cost estimates ended up needing as much explanation as the hardware.](/posts/building-a-private-ai-server-for-friends) [- AI- Architecture- Economics- Self-hosted](/posts/building-a-private-ai-server-for-friends) - [View case study](/work/drop-eta) ### [DropETA](/work/drop-eta) DropETA plans a run of deliveries and shows what adding one more stop does to the rest. - Product design - Transport - TypeScript - - [8 February 2026 Writing Report](/reports/grid-diffusion-anomaly-detection) ### [Anomaly (Out-of-Distribution) Detection for Electrical Distribution Networks using Discrete Diffusion Methods](/reports/grid-diffusion-anomaly-detection) [The paper behind Grid Diffusion AD: discrete diffusion over quantised magnetic-field windows, trained on normal data only, scored against a false-alarm budget. The best configuration separated faults from normal weakly, and the paper reports that instead of rounding it up.](/reports/grid-diffusion-anomaly-detection) [- AI- Machine learning- Research- Time series](/reports/grid-diffusion-anomaly-detection) - - [20 January 2026 Writing](/posts/healthagent-apple-health-data-ingestion-and-insights) ### [Putting my Apple Health data in one place](/posts/healthagent-apple-health-data-ingestion-and-insights) [I brought my nutrition and activity data out of Apple Health and into Postgres, so I could compare the daily and weekly trends.](/posts/healthagent-apple-health-data-ingestion-and-insights) [- AI- Architecture- Data pipelines](/posts/healthagent-apple-health-data-ingestion-and-insights) - [View case study](/work/health-agent) ### [HealthAgent](/work/health-agent) My nutrition and activity lived in different apps. I brought their Apple Health exports together so I could see the trends in one place. - AI - Architecture - Data pipelines - Front-end development [Source code](https://github.com/Slaymish/HealthAgent) - [View case study](/work/metlink-departures-display) ### [Metlink Departures Display](/work/metlink-departures-display) I got tired of opening my phone at the same stop every morning, so the next two buses now sit on a small sign by the door. - Automation - Python - Transport [Source code](https://github.com/Slaymish/metlink-departures-display) ## 2025 - [View case study](/work/piano-improvisation-helper) ### [Piano Improvisation Helper](/work/piano-improvisation-helper) A small app for the moment you want to play along with a song and don't know what key it's in. - Audio - Music - TypeScript [Source code](https://github.com/Slaymish/PianoImprovisationHelper) - [View case study](/work/bedroom-layout-designer) ### [Bedroom Layout Designer](/work/bedroom-layout-designer) A room planner for checking whether a layout actually fits, with the room, furniture and openings all on the same scale. - Product design - TypeScript - Web development [Source code](https://github.com/Slaymish/BedroomLayoutDesigner) - [View case study](/work/groovebox) ### [GrooveBox](/work/groovebox) A beat sequencer played with the computer keyboard, with patterns that can change while the loop runs. - Audio - Music - Python [Source code](https://github.com/Slaymish/GrooveBox) - [View case study](/work/bank-to-sheets-sync) ### [Bank-to-Sheets Sync](/work/bank-to-sheets-sync) A small service that keeps settled BNZ transactions in a Google Sheet, so the budget formulas already in the sheet have current data. - Automation - Finance - Python [Source code](https://github.com/Slaymish/akahu-sheets-sync) - [View case study](/work/grid-diffusion-ad) ### [Grid Diffusion AD](/work/grid-diffusion-ad) Diffusion models trained on normal magnetic-field signals, scored on whether they notice a fault they've never seen. - AI - Machine learning - Research - Time series - [View case study](/work/ando-sim) ### [AndoSim](/work/ando-sim) AndoSim puts the cubic barrier contact method from a 2024 paper inside Blender, so cloth and shell contacts can be simulated and looked at in the scene. - Blender - C++ - Graphics - Simulation [Source code](https://github.com/Slaymish/AndoSim) - [View case study](/work/cowrie-honeypot-analysis) ### [Cowrie Honeypot Analysis](/work/cowrie-honeypot-analysis) 480,998 events from a Cowrie honeypot, and the question was what they actually show. - Python - Research - Security - - [21 August 2025 Writing Report](/reports/home-lab-architectural-study) ### [Home Lab Architectural Study](/reports/home-lab-architectural-study) [I ran public and private services on a Raspberry Pi 4, then tested the restore playbook. This report covers the constraints, the service layout and that recovery test.](/reports/home-lab-architectural-study) [- Architecture- Self-hosted](/reports/home-lab-architectural-study) - [Read the write-up](/work/home-lab) ### [Home Lab](/work/home-lab) What would happen if I lost the machine running my home services? I built a small server around that question, then tested a full recovery. - Architecture - Self-hosted - [View case study](/work/pinterest-aesthetic-analysis) ### [Pinterest Aesthetic Analysis](/work/pinterest-aesthetic-analysis) I used CLIP embeddings to group the images on a Pinterest board, then kept the snapshots so one month's themes could be compared with the next. - AI - Computer vision - Python [Source code](https://github.com/Slaymish/PinterestBoardEmbedding) - [View case study](/work/piano-waveform-visualiser) ### [Piano Waveform Visualiser](/work/piano-waveform-visualiser) A C++ keyboard where the keys you hold change both the sound and the waveform drawn beside it. - Audio - C++ - Music [Source code](https://github.com/Slaymish/PianoVisualiser) - - [9 June 2025 Writing Report](/reports/wildfire-analysis-with-pyspark) ### [Wildfire Analysis with PySpark](/reports/wildfire-analysis-with-pyspark) [I used PySpark to train and compare models on 1.88 million US wildfire records. The report covers the features, training runs and what happened when I weighted the rare classes.](/reports/wildfire-analysis-with-pyspark) [- AI- Data pipelines](/reports/wildfire-analysis-with-pyspark) - [View case study](/work/wildfire-pyspark) ### [Wildfire PySpark](/work/wildfire-pyspark) I worked with 1.88 million US wildfire records for a university project, and got into how a model could look accurate while missing the larger fires. - AI - Data pipelines - [View case study](/work/transit-sync) ### [TransitSync](/work/transit-sync) TransitSync took the next event in my calendar, worked out how to get there, and told me when to leave. - APIs - Python - Transport [Source code](https://github.com/Slaymish/transitsync-routing) - [View case study](/work/sentient-environment-explorer) ### [Sentient Environment Explorer](/work/sentient-environment-explorer) A small grid world where an agent has to find food and avoid hazards, and a neural learner works out which moves to repeat. - Machine learning - Python - Simulation - [View case study](/work/malware-classifier-backdoors) ### [Malware Classifier Backdoors](/work/malware-classifier-backdoors) A study of what happens to a malware classifier when the training data is poisoned, keeping the clean detection rate beside the attack success rate. - Machine learning - Research - Security ## 2024 - [View case study](/work/music-genre-classification) ### [Music Genre Classification](/work/music-genre-classification) Ten genres, 5,000 tracks each, and a pipeline that spent more time on the features than on the classifier. - Machine learning - Music - Research [Source code](https://github.com/Slaymish/Musicical-Genre-Classifier) - [View case study](/work/geometry-shader-study) ### [Geometry and Shader Study](/work/geometry-shader-study) Coursework on where generated geometry and shader inputs meet in a real-time renderer. - C++ - Graphics - Rendering [Source code](https://github.com/Slaymish/CGRA350-Assignment-1) - [View case study](/work/floor-plan-importer) ### [Floor-plan Importer](/work/floor-plan-importer) A Blender add-on that reads floor-plan data and builds the geometry, so the plan is still editable as a scene afterwards. - Blender - Graphics - Python [Source code](https://github.com/Slaymish/blender-addon) - [View case study](/work/path-tracing-study) ### [Path Tracing Study](/work/path-tracing-study) A C++ path tracer from graphics coursework, worked through the assignment stages and then a grid-based sampling variant on top. - C++ - Graphics - Rendering - [View case study](/work/boids-simulation) ### [Boids Simulation](/work/boids-simulation) Each boid only looks at its neighbours and the obstacles close to it, and the flock is what falls out of those rules. - C++ - Graphics - Simulation [Source code](https://github.com/Slaymish/CGRA354_Framework_A3) - [View case study](/work/birthday-gallery) ### [Birthday Gallery](/work/birthday-gallery) A birthday gallery for my dad, with family photographs arranged in a small 3D space you can walk through in the browser. - Graphics - Three.js - Web development - [View case study](/work/spotify-playlist-demographics) ### [Spotify Playlist Demographics](/work/spotify-playlist-demographics) A playlist, its artists, and whatever their Wikipedia pages would say about them, turned into charts. - APIs - Music - Python [Source code](https://github.com/Slaymish/Spotify-Demographics-Analyzer) ## 2023 - [View case study](/work/finlay-lani-wedding) ### [Finlay and Lani's wedding website](/work/finlay-lani-wedding) A wedding site for Finlay and Lani: the details, an RSVP form, and a view where they could see who was coming. - Firebase - Vue - Web development [Source code](https://github.com/Slaymish/WeddingWebsite) - [View case study](/work/parametric-bookshelf) ### [Parametric Bookshelf](/work/parametric-bookshelf) A bookshelf built in geometry nodes, kept as a blend file you can drop into an asset library. - Blender - Graphics - Procedural design [Source code](https://github.com/Slaymish/BlenderBookShelf) - [View case study](/work/cookie-cat) ### [Cookie Cat](/work/cookie-cat) A university game project in Godot, where you jump a level that keeps generating, collect cookies, and spend them on lives and jump upgrades. - Games - Godot - Procedural design - [View case study](/work/3d-spanning-trees) ### [3D Spanning Trees](/work/3d-spanning-trees) I was treating meshes as graphs, and deleting the faces off an OBJ leaves the edges, which is enough to run Kruskal's algorithm on. - Blender - Graphics - Java [Source code](https://github.com/Slaymish/3dSpanningTrees) - [View case study](/work/l-system-generator) ### [L-system Generator](/work/l-system-generator) An L-system editor: write the rules, set the angle and the iteration count, and watch a turtle turn the string into geometry. - Blender - Graphics - Java [Source code](https://github.com/Slaymish/LSystemGenerator) - [View case study](/work/articulate-ai) ### [ArticulateAI](/work/articulate-ai) One of my early voice experiments: record a clip, transcribe it with Whisper, send the transcript to GPT with a prompt, and optionally speak the reply. - AI - Python - Voice [Source code](https://github.com/Slaymish/ArticulateAI) - [View case study](/work/wellington-transport-network) ### [Wellington Transport Network](/work/wellington-transport-network) Wellington's public transport as a graph, with route search and the stops whose removal would split the network. - Algorithms - Java - Transport ## 2022 - [View case study](/work/watzon) ### [Watzon](/work/watzon) A Discord bot for the OCE Echo VR community, which pulled league data into the server so nobody had to open a website for it. - Community tools - Games - Java [Source code](https://github.com/Slaymish/Watzon) ## 2021 - [View case study](/work/echo-stats-finder) ### [Echo Stats Finder](/work/echo-stats-finder) Silveridge and I built a desktop tool for looking up the Echo VR players you're in a match with, and their league records. - Community tools - Games - Python [Source code](https://github.com/Slaymish/EchoStatsFinder) ## [Codex usage optimiser](/work/codex-usage) Estimate Codex subscription costs and preview a usage report. ## Have something you’d like me to build? [Book a call ](https://cal.com/hamishburke/30min)