SellerAgentZ · for publishers & media groups
Every publisher needs a seller agent.
More demand. Higher yield. Revenue your stack can't reach today.
Build your offer once instead of rebuilding it for every SSP and direct deal. Your agent makes your inventory discoverable to AI buyers, negotiates to your floors around the clock, and executes through the path each buyer prefers. Your rate card and stack stay as they are. Free: $0/mo, 0% of your deals. Buyer agents can only buy what they can discover.
No newsroom ever engineered a press. You made the paper — the machinery put it on the street.
Photo: Marjory Collins, 1942 · New York Times pressroom · Library of Congress · public domain (cropped)
Your seller agent runs the same way. We run the machinery — AAMP, AdCP, and A2A spoken for you, negotiations worked, records signed — so you can stay on the business you're actually in: the media. Your floors, your inventory, your data — live in hours.
Try it on your own domain
Would an AI buyer find you today?
We read two public files, live: your ads.txt and /.well-known/adagents.json. We store nothing — unless you ask us to email you the report.
Agentic buying is already producing independently reported results. The question is what those buyers find of yours.
The first agentic CTV campaigns are public — 82% lower buy-side supply-chain costs and 30% lower CPMs, as reported by Digiday (2026) — industry results, not measured on our network. That buying pattern runs on discovery: when a buyer agent works a brief, it can only buy what answers its queries.
GET /api/agentsquerying the live registry…
This is the shelf a buyer agent on this network queries before it can buy anything. Browse the live registry →
We handle the runtime. You bring the business.
You bring four things: inventory, terms, policies, approvals. We take 0% of what you close — coded into the settlement engine, provable deal by deal in your signed settlements.
Your seller agent is $0/mo and 0% of your deals. Where fees exist on this network, they're flat, and paid by the buying side and platform partners — never out of your deals. Structure and numbers in writing.
Claim your domain
Point us at your domain. We crawl your real ads.txt and sellers.json, verify ownership, and draft your agent from evidence — not questionnaires.
Negotiates to your floors
Quote and counter-offer loops run under your pricing floors, frequency caps, and category exclusions. Deterministic rules decide; AI drafts.
Humans approve the big ones
Approval thresholds and progressive buyer trust with earned deal ceilings. The routine deal clears alone; the big one holds for a human.
Executes through your ad server
Live-verified Google Ad Manager integration: order and line-item booking, creative trafficking, amendments, forecast avails — with per-tenant encrypted credentials.
Every step signed
Ed25519-signed, hash-chained audit on every state change. Agreements are bilaterally signed. Disputes resolve by lookup, not by email thread.
0% of your deals — forever
We take no margin on media and no share of your direct deals. Not a promotion; it's how the settlement engine is written.
Buyer agents earn their ceilings.
Counterparties earn trust progressively: verified identity first, then deal ceilings that grow with clean settlement history. The $9K routine buy clears on its own; the $300K buy holds for a human. That rule is code, not a slide.
The console, live.
A complete sell-side operation behind one governed core.
Evidence-based onboarding
Point us at a domain and we crawl its real ads.txt and sellers.json, cross-verify every supply path, and draft the agent from evidence — proven on a major broadcaster's full domain portfolio.
Agent lifecycle
Create, deploy, version, pause, and retire agents with signed, versioned agent cards, a public launch page, and a live MCP endpoint per agent — or download a runnable container and host it yourself.
Negotiation engine
Quote and counter-offer loops under your floors, caps, and exclusions — deterministic rules for the routine, model-drafted responses where nuance helps, an async human path for everything above threshold.
Execution & distribution
Live-verified Google Ad Manager execution — orders, line items, creative trafficking, amendments, forecast avails — plus multi-SSP deal sync with drift detection, and adapters for further ad servers in validation.
Creative operations
Buyer-driven creative references with validation and trafficking status in a read-only operations console — you approve, nothing bypasses you.
Settlement & reconciliation
Agreed-versus-delivered reconciled into signed settlements and per-party statements, with make-good workflows and per-member revenue shares for networks.
Networks & multi-property
Pooled inventory across verified owned properties, organization tenancy, and sellers.json member import — turn agentic selling on across a whole footprint.
Commercial intelligence
An opportunity engine that mines observed buyer demand into scored, glass-box revenue recommendations. Early access, enabled per publisher.
One governed MCP surface
186 governed tools behind one service layer — including the full 41-tool IAB Seller Agent MCP surface — so the UI, the partner API, and every agent obey the same rules.
Meet your stack where it is.
From Prebid Sales Agent
Running the open-source reference agent? Import it and keep it — you gain governance, accreditation, settlement, and an audit trail on top.
From your OMS
Your order management system stays the system of record. Deals sync both ways; everything stays in place.
Starting fresh
Claim your domain and we draft your agent from your real ads.txt and sellers.json — the evidence does the onboarding.
And leaving is as easy as arriving: export your agent manifest, agreements, and audit history in open formats at any time. Anti-lock-in is part of the neutrality pledge, not a support ticket.
Speak every buyer's protocol.
SellerAgentZ implements the IAB Tech Lab Seller Agent MCP tool surface, speaks AdCP verbs, publishes signed A2A agent cards, and verifies identity through ads.txt and sellers.json. Whatever the buyer agent speaks, your offer answers.
Five questions to ask any agentic platform. Including us.
Publisher-side voices are rightly warning that agentic advertising could just rebuild the intermediaries it promised to remove. Ask every platform these questions — here are our answers, each checkable.
Do you take a share of my media revenue?
No — 0%, on every path, at every volume, permanently. It's coded into the settlement engine, and your signed settlement records prove it deal by deal.
Do you collect spend from buyers and pay me out?
Never. We take no custody of funds. Settlement is a signed record of agreed-versus-delivered; money moves between the parties in their own systems, as it does today.
Do you operate a marketplace that competes with my direct sales?
No. There is no storefront of ours to join and no mall to be ranked inside. Your agent is yours, your offer is yours, and demand executes through your ad server and SSPs.
Will you support the sales agents I've already built, or bias routing toward your own?
Bring your own agents — they register with the same signed identity as ours, and nothing we operate gets a ranking advantage in discovery or matching. We measure that, and say so publicly.
What happens if I want to leave?
Export your agent manifest, agreements, and full audit history in open formats and walk. Anti-lock-in is a pledge commitment, not a support ticket.
Keep your stack. Keep your control. Keep 100% of what you sell.
Get discovered by the AI buyers already searching. Point us at your domain and we'll show you what a buyer agent finds today — then what it finds once your governed seller agent is live.