About us
One engineer's tools,
built in the open
Engineering programs fail at the seams: between the SysML model and the spec, between the spec and the test, between the test and the evidence. Requirements drift. Traceability breaks. By the time anyone notices, months of design work are already committed.
Vector Stream Systems builds VectorMBE to close those gaps. It connects your tools into a governed graph: formal traceability, hybrid retrieval, and change propagation, keeping requirements, architecture decisions, and verification evidence linked and reviewable. Engineers stay in the loop at every decision point.
The same conviction drives the other half of the work: a systems model should be something you can stand up in an afternoon, not a quarter. Sketch an architecture, import the specs you already have, and get a traceable model you can argue with the same day. Rapid prototyping and rigor are not opposites — the model earns its rigor by being cheap enough to build early.
The model stays yours. The traceability runs itself.
Rapid prototyping
A systems model should cost hours, not quarters. Stand one up from the specs and drawings you already have, then throw it away and try the next architecture. Cheap models get built early, and early models are the ones that change decisions.
Provenance by default
Every inference is traceable. Every model is reproducible. Every constraint is explicit.
Structural clarity
Dependencies should be inspectable, not guessed from slide decks. We make the invisible visible.
Accountability
Humans stay in command. AI accelerates drafting and analysis; people approve merges and own constraints.
Behind the work
Built with patience, tested against the edge
Vector Stream Systems is a one-engineer shop building the tools I needed on real programs and never had. Everything here is written and maintained by one person, iterated in public on GitHub, and shipped when the code is right rather than when the calendar says so. That constraint is also the product thesis: if one engineer can prototype a full systems model in an afternoon, so can your team.
That engineer is Matthew Collaro. If you want to connect professionally, reach out on LinkedIn or open an issue on the VectorMBE repo.
Matthew Collaro
Founder & engineer, Vector Stream Systems LLC
Registered in Washington
Where some of the thinking happens
Get in touch
Questions about VectorMBE, partnership inquiries, or just want to talk shop about MBSE.