Tools you own, not rent.
Everything we make, in one place. The capabilities mainstream AI rents you by the month — sold once, run locally, your code and data never leave the machine. No subscription, no token bill, no telemetry. Buy it, keep it.
For developers
Crimson Codex
LiveGive your local AI agent safe, surgical access to your whole repo.
- Code intelligence over MCP — read, search by symbol, patch.
- Tested engine ships today; edits are reviewed before they land.
- Runs on your machine; the repo never uploads.
Rapu
LivePrivate, ranked code search that never leaves your disk.
- BM25 ranked retrieval over your repo — a single binary.
- Fast lookups; zero telemetry, no index upload.
- The lexical on-ramp to the Codex suite.
Crimson Analyst
Free + paidA forensic toolkit for ML inference engines — it caught a real, months-hidden quant bug.
- Free: Tree-sitter analysis, 30+ modes, signed health reports.
- Paid forensic tier: model-weight drill, quant fidelity, stability proofs.
- Local CLI, no account, no upload.
Code Review Suite
LiveA reviewer that reads the diff like a senior would — bugs first, polish second.
- Gated skill pack: correctness, reuse, simplification, efficiency.
- Tunable depth — quick high-confidence pass to deep multi-agent.
- Runs against your local diff; nothing leaves the machine.
Security Audit Suite
Coming soonFind the vulnerability in your changes before anyone else does.
- Gated skill pack focused on security review of pending changes.
- Flags injection, auth gaps, unsafe handling — with the why.
- Local-first, audit your own code without shipping it out.
Dashboard Pack
Coming soonTurn the receipts your tools generate into a board you can read at a glance.
- Local dashboards over your own metrics — no SaaS, no upload.
- Pairs with the review and audit suites for status at a glance.
- Yours to host wherever you like.
For getting things done
FocusForge
LiveFor people who just can't even — a calm system that gets one thing done.
- Brain Dump loop: dump, triage, do one thing, log the win.
- Live NZ GST + sole-trader dashboard, computed as you type.
- Installable, offline-first; everything stays in your browser.
Why buy here
How buying works
A one-time purchase delivers the binary or pack, an Ed25519-signed license key, and a year of updates. The tool verifies its own signature at load — no phone-home licensing, no telemetry. Checkout and tax are handled by Polar as merchant of record; your download link and key arrive by email the moment payment clears.
NZ company, real currency — NZD alongside USD, from Aotearoa New Zealand. Questions before you buy? hello@scarletsystems.co.nz.