Browser Video Editor
A browser-based video editing app created and iteratively expanded with an experimental AI-agile team of agents.
Software from the hill.
A personal collection of games, tools, and experiments. Browse what I am building and explore past projects.
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Meridian Simulated Banking Platform
A simulated consumer bank with a public website, a customer portal, an internal operations console, and a backend whose ledger derives every balance from append-only entries. The customer site and the operations console are both live as public demos.
Repo Steward
A simulated GitHub-style repository with an AI steward that reacts to issues and pull requests, where a deterministic policy engine decides which proposals run automatically, wait for approval, or are blocked.
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LLM Token Explorer
A browser-based workbench that runs small language models entirely on your device to show tokenization, next-token probabilities, the full token vocabulary, and token-by-token sampling.
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Patrick Cowhill — Portfolio
My personal portfolio and professional background.
Lightsail Demo
A live chat room, collaborative drawing app, and multiplayer bird game created to explore the capabilities of AWS Lightsail.
Nonogram Odyssey
A thousand nonogram picture-logic puzzles arranged in 50 chapters, playable in Classic or Three-Life mode, with progress saved on the device and no backend.