AI Agents Are the New Middlemen of the Platform Economy

The platform economy built much of the digital economy around a simple promise: connect supply and demand better than individual operators could. Google organizes information, Amazon products, Booking rooms, Spotify music, Uber rides. The interface changes, but the principle stays the same: the platform becomes the place through which choice passes.

AI agents introduce a different possibility. If software can understand an objective, compare options and act on behalf of the user, the platform may no longer be the last interface before a transaction. A new intermediary appears between the person and the market.

The phenomenon became visible in 2026 as consumer agents expanded into tasks, purchases and services. But the real issue is not the product of the month. It is what happens to the distribution of power when users stop visiting every platform directly.

From platform as destination to platform as infrastructure

In the classic model, the user enters the platform’s environment. You search Amazon, open Booking, consult Google, scroll Spotify. The interface matters economically because it lets the platform order results, collect data, sell visibility and influence decisions.

An agent can invert that logic. The user may simply say: “find the best flight within these constraints” or “renew this service only if there is no better offer.” The agent queries multiple sources and returns a decision — or executes it directly.

In that model, the platform does not disappear. It risks becoming infrastructure behind the scenes: a catalogue, inventory, payment system or database. The relationship with the customer moves upward, to the agent.

Whoever controls the agent controls a new gateway

The promise is that agents will reduce search costs for users. But every reduction in transaction costs creates a new question: who controls the mechanism that chooses?

If the agent belongs to a major platform, the new intermediary may strengthen incumbents rather than weaken them. An assistant integrated into an operating system, browser or social network begins with an enormous advantage: distribution, knowledge of the user and direct access to services already in use.

Reuters observed in October 2026 that the rise of consumer agents could pressure businesses built around inertia and intermediation, from travel to subscriptions. But that is not necessarily disintermediation. It may be reintermediation: the old intermediary loses visibility and a new one appears above it.

The battle moves from clicks to access

If users visit fewer websites, page position becomes less valuable while machine-readable access to information becomes more valuable. Prices, availability, contractual conditions and service characteristics must be legible and comparable to software.

For e-commerce, that means structured catalogues and APIs. Services are harder. A restaurant, consultant, clinic or craft business does not always have an easily comparable SKU. An agent has to interpret quality, reputation, availability, location and conditions.

That creates a new competitive layer: it is no longer enough to be visible to humans; businesses must also be understandable to machines. Search engines turned the web page into an indexable document. Agents can turn products and services into objects that can be queried and acted upon.

Advertising and commissions may change shape, not disappear

Platforms built business models around commissions and the sale of attention. If an agent directly selects the most suitable option, traditional ad space loses some of its function. That does not mean the market for influence disappears.

We may instead see access fees, distribution agreements, machine-readable sponsored ranking, commercial priorities or automated affiliate systems. The neutrality problem already familiar from search engines and marketplaces moves inside systems that are less visible to users.

This connects directly to the attention economy. If an agent reduces the time required to choose, it can take attention away from platforms. But power may simply move from controlling attention to controlling the delegated decision.

Can agents genuinely increase user power?

Potentially, yes. A personal agent can compare offers, remember deadlines, negotiate conditions, cancel unused subscriptions and reduce information asymmetries that favour companies. It can make comparisons economically worthwhile when doing them manually would take too much time.

But for that to happen, the agent has to work for the user. If its business model depends on commissions, advertising or commercial agreements, the old conflict returns: the system helping us choose may have interests of its own in the choice.

That is why the platform economy in the age of agents is not just an automation story. It is about governance, incentives and access. The question is not whether platforms will survive. It is which layer of the system will earn the right to order the market.

From platform economy to agent economy

The transition may be gradual. Platforms will continue to provide inventory, payments, identity and reputation while agents become the layer through which users interact with those services. Anyone controlling both layers will have a formidable advantage; anyone controlling only supply will need to make itself accessible to the new intermediaries.

The history of the internet is full of intermediaries promising to remove previous intermediaries. Search engines organized the web, marketplaces organized sellers, apps organized services. AI agents may do the same to platforms. And, as usual, the result may not be less intermediation at all — only a new place where it becomes concentrated.

Sources and references

• Reuters Breakingviews, Meta’s Muse and the economics of AI agents
• NIST, AI Agent Standards Initiative