Free Tools

The tools we use ourselves. Free.

Every retainer client gets these. We're giving them away because (a) they're better with use, and (b) once you've integrated one, our retainer is the obvious next step.

Tool 01 · codebook

HDC Note Codebook

A hyperdimensional codebook for private notes. Turn 10,000 markdown files into a local semantic index that runs on a laptop. The trick we use internally to make our AI assistants actually remember what we wrote last quarter.

Python · CPU-only · MIT license

Get the codebook →
Tool 02 · skill

Eigenspec Skill

A drop-in Claude skill. Paste a problem; get a scoped implementation spec with a test plan and a risk register. The same skill we use to write the one-page scope for every paid engagement.

Claude Code · one-file install · MIT license

Install the skill →

Coming soon

More tools on the way.

Bigfoot mesh protocol kit. The eigenspec evaluation harness. A self-hosted passkey demo. Get notified when each one drops.