Household finance
BetterOff
A read-only view of accounts, debts, recurring obligations, and source-cited answers
Web · Mobile · API · AI
Production software
Airfare search & booking
FlightSweeper
Search flexible dates, review live fares, and confirm at checkout
Web · Chat · API · MCP
Open-source tools
Web context
docpull
Turn websites into source-linked Markdown and reusable agent context
Policy testing
PolicyStrata
Catch cross-layer policy drift with deterministic tests
Interface auditing
HIG Doctor
Search Apple interface guidance and audit UI code across 12 frameworks
Agent configuration
Agent Starter
Configure Codex, Claude Code, and Cursor from one project-local file
Publications
Papers
PolicyStrata: Responsibility-Scoped Testing for Cross-Layer Policy Drift in LLM Data Agents (opens in a new tab)
A benchmark for policy drift across agents, queries, databases, and release filters.
Ordered Reflection Systems in Cyclic Scales (opens in a new tab)
A mathematical framework for reflection symmetry and voice leading in cyclic scales.
Books · Raintree Press (opens in a new tab)
Book
Base Layers
The Logic and Lunacy of Crypto’s Formative Era
How crypto’s early exchanges, incentives, and markets took shape.
Book
Finite Patterns
Messiaen, Slonimsky, and Harmonic Symmetry
A computational study of symmetry in cyclic pitch systems.
I build AI systems and open-source tools at Raintree Technology (opens in a new tab).