Demo property · nothing is real

Commerce that agents can use

The 42A Store is a fully simulated shop — merch, hotels, flights and rental cars. Humans browse this site; AI agents shop it over MCP, the Agentic Commerce Protocol, or plain REST. Same inventory, same orders, one implementation.

Shop as a human Watch orders arrive

Four verticals

Merch

20 fictional 42A products — hoodies, keyboards, mugs.

Hotels

12 hotels across Tel Aviv, New York, London, Tokyo.

Flights

42A Air: 8 airports, 14 routes, very punctual pixels.

Cars

Economy to the Acid Roadster, at cities and airports.

42A Acid Hoodie

$79

Visibility Tee

$32

Acid 65% Keyboard

$189

Low-Latency Mug

$19

42A Acid Hoodie

$79

Visibility Tee

$32

Answer Engine Tee

$32

Crawler Cap

$28

Four agent surfaces

MCP

Streamable-HTTP MCP server with 14 commerce tools. Connect from Claude, ChatGPT, Cursor.

/mcp

ACP

Agentic Commerce Protocol: product feed + checkout sessions + simulated payment tokens.

/api/acp/feed

REST + OpenAPI

Plain JSON API described by OpenAPI 3.1 for any agent framework.

/.well-known/openapi.json

llms.txt

A guidebook for language models: what this store is and how to transact with it.

/llms.txt