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Know your AI limits before they stop you. A native macOS menu-bar gauge for Claude and Codex quotas, accounts, tokens, cost, and history.
Swift · SwiftUI · local-first · macOS 13+ |
Real markets. Real transactions. Simulation first. A Rust + Ratatui Solana arbitrage research tool that prices executable routes, builds real v0 transactions, simulates them on mainnet, and records why apparent edge disappears. So far: 3,091 evaluations, 2,333 mainnet simulations, 0 executable edges. The zero is published too.
Rust · Solana · Jupiter · Ratatui · execution research |
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Ship the demo, not the dream. A decision-making and execution system for hackathon teams under time pressure. Fifteen agent skills that cut scope, time-box the build, rehearse the demo, simulate the judges, and recover when the demo breaks on stage.
TypeScript · agent skills · npm · built with Stephen under Stephen&Marc |
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QuotaLens in the menu bar · MØBIUS-Searcher in a live PAPER session
Private for now. They ship here when they are ready.
| Project | What it is | Built with |
|---|---|---|
| Offmap-X | Site, applications, and event portal for a 72-hour offline builder event | Next.js · Supabase |
| Weekly growth reports | What a school's teachers use every week to write student evaluations | Next.js · Supabase · Turborepo |
 MØBIUS | Not telling yet. See photo. | TypeScript · MCP |
The space between a human and an AI is the next platform.
Most people are still building it like a chat box.
I care about three things:
- agents with memory, personality, and presence;
- products with taste, not feature noise;
- communities where young builders ship instead of scroll.
FAQ nobody asked for
Why is everything else private?
It is not ready. When it is, it ships here first.
Marc, BUG, or ø?
Any of them. BUG is a nickname, not a status report.
Can we build something together?
Email me. Skip the small talk.