~/work — case studies with evidence ledgers

ranked · not exhaustive

Two hero studies, three compact ones. Every number on every page traces to a file in a repo you can open right now — the tables at the top of each study are the same ledgers the console command evidence prints. Lab work lives one floor down →

01 xr A local-first AI agent runtime that cannot overspend its budget or hide its actions. commits on main 721 · merged PRs 65 · CI workflows 7 · stars 5 Live · active 02 xr-foundation-model A tiny GPT grown from zero — tokenizer, training loop, math proofs — and then audited by me, in public. audit findings closed 49 · test files 33 · val perplexity 301.55 · corpus 1.77M tok Active 03 Gemma Monitor Local-LLM news intelligence running in production for $7.40/month — the paid API bill it replaced was $22. cost vs API baseline −66% · stars 4 Shipped 04 CivicShield AI A civic assistant that would rather refuse than hallucinate: retrieval before generation, fail-closed. mermaid diagrams 5 · test suites 2 Shipped 05 commit-canvas Turn any git repository into an animated, shareable story page. Zero cost, zero auth, one command. network requests 0 Live

A hackathon prototype whose marketing outran its cryptography (a ZK layer that was simulated) — the lesson got promoted into policy instead of a page. Read it as the reason every row above links to source. [verified in the July audit; fixed in the habit]

Problem > constraints > decisions > measured results > limitations. No tech-stack tourism; if a library earned a slot, it earned a reason.

Most numbers here survive a stranger an afternoon with git: run the tests, load the checkpoint, replay the benchmark. That's the bar the copy writes to.

Work — case studies with evidence ledgers