Vintage pen-and-ink engraving of a transit terminal: an oak tree beside a trolley viaduct and a domed terminal station, with buses and route signs, a wooden crate lettered BUS COMMONS, and a small wireframe cube in the sky. Est. 2026.

This illustration, and in many ways the work of Bus Commons, is a tribute to Diane McDonald Haight Nicholls (1940–2012) — painter, educator, critic, and drawing instructor at Harvard’s Graduate School of Design. The scene was derived from her drawing studies at Petworth Park, March 1997.

She taught her son to find and reveal structure in randomness. He found a different medium.

For R.E.N. — who crossed an ocean, built what could not be named, and taught his son that security is identity.

The proving ground was not a metaphor.

The old Dudley Street Terminal, Roxbury — predecessor of the Nubian Square bus terminus this company is named for.

Est. 2026 — Roxbury, Massachusetts

Bus Commons

Civic infrastructure for human agency in the age of AI.

The operator drives. The agents ride. The commons remembers.

A Massachusetts Public Benefit Corporation. We build open standards, schemas, protocols, and focused institutional software — public goods, released under open licenses, designed to outlive any single vendor, including us.

The name is the architecture. Bus Commons stewards the common bus — the single shared line every module attaches to. Each module is a different modality; all of them ride one substrate. The bus is how they reach each other; the givens left on it are left for all.

The thesis

The history of operator tooling is a sequence of new sovereignties: spreadsheets gave non-programmers computational agency, databases gave data agency, the web gave distribution agency. The next rung is cognitive agency in the age of AI — not AI that thinks for you, but a substrate where the operator’s judgment stays irreducible, AI handles the labor, and the system remembers what it learns and surfaces what’s missing.

The spreadsheet user never owned the biggest computer; she owned the arrangement. A larger model is a larger instrument, not more music. What does the work is a composed system — an operator who steers, agents that carry the labor, a substrate that remembers — and because the intelligence lives in the arrangement, you can swap any part, including the model, and it stays yours. We call it composed intelligence: intelligence from composition, not scale.

That’s the work. It starts with the name — because the name is the architecture.

A case ending that escaped

Bus is not a root — it’s a Latin case ending. Omnibus, the dative plural of omnis, “for all,” named the shared carriages of the 1820s; English kept the inflection and dropped the root. And omnibus is at once dative and ablative — “for all” and “by all,” what the bus is for and how it works. Commons is shared obligation, not shared stuff. The company is named for the bus terminus in Nubian Square, Roxbury — the old Dudley Street Terminal in the engraving above, the same ground under an earlier name.

the full record of decision →

What we’re building

Four pillars — each named, dated, and tied to a public artifact, or honestly marked not-yet.

  • A public AI code qualifier. In research · March 2026

    Open infrastructure for qualifying AI-assisted code: making its provenance legible to the institutions that rely on it. Response to NIST/CAISI RFI →

  • A law API. Argued · April 2026

    Open APIs and schemas that treat law as the queryable public substrate it should already be. The Invisible Interface

  • Civic OSS standards and protocols. Submitted · March 2026

    Identity, auditable composition, and knowledge-sedimentation for AI agents — open architecture, not open dependency. NIST docket →

  • Focused institutional software. In daily use · our own desk

    Small, owned, built to outlive its vendor. The first instance is BUSdriver, the operator’s desk this company runs on every day.

How we work

Non verbis sed rebus — not by words but by things: our agents coordinate like a termite colony, through traces left in a shared substrate — and the company runs on the substrate it ships. See it run: the lab.

The method is the product — a documented, repeatable, auditable process for finding the genuine gap; we ship only the output of that cycle.

Public submissions, public artifacts — our work appears in a federal docket before it appears in our marketing.

The contract is the security — every agent works to a written contract: trust by interface, not by access — everyone needed, no one necessary.

Trust is minted, not assumed — every secret flows through one accountable path; credentials are issued signed, scoped, and expiring, dead by default.

Long horizons, small teams — deliberately small, building civic infrastructure that takes decades to matter, as a PBC because the work doesn’t fit the venture timeline.

Why a Public Benefit Corporation

The infrastructure layer of the agentic economy is being built right now, mostly by entities answerable to private shareholders. Some pieces — identity, qualification, the legibility of law — should be actual public goods, with charters that survive their founders.

Massachusetts allows Public Benefit Corporations specifically to legally bind a company to its stated public mission. Bus Commons is incorporated under that statute as CUBE COMMONS, INC.; Articles of Amendment adopting the Bus Commons name are pending. Our charter requires us to weigh public benefit alongside financial returns. The legal structure is the commitment.

What we’ve published

View all 20 publications →

Living list. Will grow as we publish.

Who we are

Bus Commons (CUBE COMMONS, INC.) was founded by Barton Nicholls in Roxbury, Massachusetts, in the lineage of civic infrastructure — library science, public standards, federal records, open protocols. A Massachusetts Public Benefit Corporation. Small, deliberate, intended to last.

Pick your door

Different readers, different doors — the shortest honest path for each.

If you’d rather watch than readthe lab runs the thesis live: autonomous agents coordinating through a shared substrate, in your browser. The commons, working.

If you fund public infrastructureThe Other Answer, then write us (subject “Funding”).

If you steward an institution — the NIST/CAISI submission shows the security model at pilot depth; propose one (subject “Pilot”).

If you read policyThe Invisible Interface and the NIST docket carry our proposed federal vocabulary; disagreement welcome (subject “Standards”).

If you operate — you’re who the thesis is about: start with A Operator’s Handbook. When ready, Member access — everything else here requires none.

The words at the foot of this page live not on letterhead but in the signature chain — the signing engine is being fitted to carry OMNIBUS COMMUNIBUS in its signed metadata. For all, by all; all things in common.