Why a tower.
Air traffic doesn't run on trust between pilots. It runs on a neutral tower that clears every movement against the same rules. Agent spend needs the same thing — and for the same reason: the moment money moves autonomously, good intentions stop being enough.
Why now. Why neutral. Why pre-flight.
- 01
Why now
Agents are crossing from suggesting actions to taking them — including paying. Vendor choice used to be a procurement decision made once, by a human, at build time. Now it is a runtime decision made thousands of times, by software, under a budget. That is a new control surface, and nothing owns it yet.
demo tool calls → delegated budgets → autonomous purchases
- 02
Why neutral
A layer that sells placement cannot be trusted to route. The instant ranking is for sale, the answer to "what should this agent pay for?" is corrupted. Stackbroker takes no custody of funds, earns nothing on which service wins, and is not a marketplace, an affiliate network, or a leaderboard. Services rise on measured evidence, not on spend. Neutrality isn't a tagline here — it is the only thing that makes the routing worth believing.
And you don't have to take that on faith: the scoring is published and CI-locked to the running code, the money model is one-sided by policy and by test, and every decision is hash-chained and anchored with signatures.
no custody · no paid ranking · evidence over influence
- 03
Why pre-flight
A dashboard that shows you the bad spend after it happened is an autopsy, not a control. The decision has to clear before the money moves — policy checked, route reasoned, proof stamped — or it isn't governance, it's reporting. Pre-flight is the difference between a NO-GO and a refund request.
clear before spend · not reconcile after
The neutrality contract.
Concrete commitments, not adjectives. This is what "neutral" obligates us to.
| Commitment | What it rules out |
|---|---|
| No custody | We never hold buyer funds. Buyers pay sellers directly. We can't profit from float or transactions. |
| No paid ranking | A provider cannot buy a higher route score. Position is earned by evidence, full stop. |
| No invented evidence | Latency, success, and conformance stay null until probes or real telemetry produce them. We don't manufacture numbers. |
| Legible decisions | Every route returns its reasons and a proof hash. No black box you have to take on faith. |
One layer. Three jobs.
Want pre-flight confidence: policy boundaries, spend caps, and an audit trail finance can read.
Get clearance →Agents and their developersAgentsCan't afford to waste a paid call. Ask once, get the best route, the price, and the receipt.
One call first →Services agents payProvidersWant to be routable, not just findable. Claim the card that puts you in the poll.
Claim your card →