Independent systems builder
A local assistant whose replies are checked against the record. A harness that will not let a model review its own work. Search that ended a run because a do-nothing baseline was already 95.5% of the cost. The gauges are public.
The agent harness — what actually drives the fleet
A harness that makes agent work auditable: one model does the task, a model from a different vendor reviews it, and every byte and verdict goes in an append-only record. "The model checked its own work" is not evidence.
2 devlog posts →
The local assistant — Tessera is the kernel
The local assistant. A prompt is a comment, not a boundary: unattended actors cannot touch the world, and replies are checked against the record before I see them. Tessera is the kernel — two trees, presence and absence — not the whole system.
11 devlog posts →
Evolutionary search — agents propose, acceptance is mechanical
Coding agents propose program variants; a deterministic evaluator scores them; mechanical gates accept or reject. The point was never the optimized programs — it was how much of the loop can verify itself. Not the Discord collaborator, which shares the name.
1 devlog post →The devlog is where the real substance lives — what worked, what didn't, and how I know. Get it by email when I post.
