Engineering

Open-source projects and smaller tools I’ve built and published. The shipped products live on the homepage.

Open Source

Published repositories you can read, run, and reuse

Local RAG — Qdrant + Ollama Open source

A fully local RAG pipeline: ingestion, embeddings, a Qdrant vector store, retrieval, and answer generation with Ollama — no external API calls.

Python · Qdrant · Ollama · Embeddings · RAG GitHub
MicroGPT in Swift Open source

A port of MicroGPT from Python to Swift — reimplementing a minimal GPT and its training loop as a native CLI.

Swift · Transformers · CLI · ML fundamentals GitHub
pysandboxing Open source

A Python module for constraining the execution of untrusted Python code, reducing the blast radius of running user-supplied scripts.

Python · Sandboxing · Security GitHub
AirCapture Open source · GPL

A multi-stream AirPlay receiver and recorder for macOS: implements the AirPlay protocol to monitor multiple screens at once, with adaptive grid view, MP4 recording, and PIN protection.

Swift · macOS · AirPlay protocol · AVFoundation GitHub
H3Swift Open source · MIT

A Swift package wrapping Uber’s H3 hexagonal hierarchical geospatial indexing library (v4.4.1), exposing a C library cleanly to Swift.

Swift · C interop · H3 · Geospatial GitHub

Experiments and smaller tools — local models, ML, and systems

Experiment

Running Qwen image generation locally on a Mac — exploring on-device image models on Apple Silicon.

PythonApple SiliconLocal inference

GitHub

Experiment

Translating Pandas data-exploration workflows to Swift’s TabularData for on-device analysis.

SwiftTabularDataData

GitHub

Open source

A package wrapping the Monaco editor for the Reflex Python web framework.

PythonReflexTooling

GitHub

Experiment

A small tool to see which binary holds which open port on macOS — quick local network diagnostics.

macOSCLINetworking

GitHub