Projects · built systems and tools

Decisions are more interesting than polish.

A curated selection from infrastructure, security, and AI systems. Status, provenance, and boundaries sit beside each Project, including work that is private or paused.

01 · Selected Projects

status and provenance verified · 2026-08-19

Two systems, two different boundaries.

infrastructure · cli
IN USE
rostr
A CLI-first server inventory. The versioned YAML inventory layer is the source of truth; SSH configuration and Ansible inventories are generated from it.
Status
IN USE
Period
private fork since June 2026
Stack
Python 3.12+ · Click · PyYAML · Ansible
Source
Heavily extended private fork of wnstify/rostr; upstream and license disclosed
Project detail →
rostr · condensed run
```
$ rostr sync
✓ SSH config updated
✓ Ansible inventory updated
✓ hosts.txt updated
```
One versioned inventory produces several standard outputs. The files remain useful without rostr.
ai systems · security
PAUSED
marlin
A control layer for AI agents. The model drafts text; deterministic code holds tokens, checks roles, and controls every privileged action.
Status
PAUSED
Last verified
19/08/2026
Stack
Python · Docker
Source
Original private system; no client details published
LLM text, nothing else
Policy boundary RBAC · approval
actions
audit log
The model owns neither tokens nor execution capability. Privileged actions remain behind deterministic checks.

rostr

marlin