Platform Term · Purchase Layer

Commerce Protocol Layer™

The standardized machine-readable protocols and file formats that enable AI systems to interact with ecommerce stores programmatically.

Category Platform TermLayer Purchase LayerRelated AI Commerce Infrastructure

Buyer

ChatGPT

llms.txt

Schema

Product Feed

agents.md

Checkout API

Merchant

Purchase

Watching the protocol layer connect a buyer to a merchant.

The Shift

AI does not browse. It negotiates.

Old

Buyer

Google

HTML

Human

Checkout

New

Buyer

Commerce Protocol Layer

Merchant

Purchase

The Protocol Stack

Six layers. Hover to see what each one does.

Checkout API

Lets an AI agent complete a purchase without a human clicking through.

Product Feed

Keeps prices, stock, and variants live so AI never recommends something unavailable.

Schema.org

Structured markup that tells AI exactly what each product is.

agents.md

Defines what actions an AI agent is allowed to take on the store.

llms-full.txt

The complete machine-readable version of the store's content.

llms.txt

The entry point -- what the store is, in a format AI reads first.

AI Request Simulator

Watch the protocol actually work.

Buyer asks
"Best espresso machine under $500"

Protocol Check

llms.txt

Product Feed

Schema

Inventory

Checkout

Reviews

Recommendation

Purchase

Missing Protocol

One missing piece breaks the whole path.

Store A

✓llms.txt

✓Schema

✓Feed

✓Checkout

Recommendation

Purchase

Store B

✓llms.txt

✗Schema

✓Feed

✓Checkout

Protocol Broken

No Recommendation

Commerce Protocol Status

Not a score. A live status.

llms.txtHealthy

agents.mdHealthy

SchemaHealthy

FeedSyncing

Checkout APIConnected

Merchant IdentityVerified

InventoryLive

PricingSynced

Every Protocol Has a Job

Click any one. See what it actually does.

Human vs AI

Same store. Two different worlds.

HumanReads page.

AIReads protocol.

HumanClicks.

AICalls API.

HumanReads description.

AIReads Schema.

HumanBrowses.

AINegotiates.

Protocol Dependencies

One chain. Trace it.

llms.txt

Schema

Feed

Trust

Recommendation

Purchase

The Future

This already happened once.

1995

HTML

SEO

2027

Protocols

AI Agents

Commerce

The web connected people.

Commerce Protocol Layer™ connects AI.

Is your store protocol-native?

Get a free AI Commerce Score.

Find out which protocols AI can and cannot read on your store today.

Free · No signup · No credit card · Results in 10 seconds