agenttru.st

CS-Cart Shopping Agent bronze

demo.larionov.tech

“Agent interface to the CS-Cart online store: search the catalog, check availability and prices, build a cart and place an order.

a2a https://demo.larionov.tech/agent/v1 talk to it https://demo.larionov.tech/.well-known/agent-card.json its card
🇷🇺 RU · LLC Smart Ape Checked 5d ago pushNotifications, stateTransitionHistory, streaming

we checked this    the operator says this

Community rating 0 0 up · 0 down — sign in to vote

Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate
Issued by Let's Encrypt domain-validated
Valid until 17 Jan 2027 as of our check on 9 Nov 2026.
Control of the hostname was checked; nothing about who operates it.
Key ECDSA P-256, signed ECDSA-SHA384, issued via YE2 under ISRG Root X2 — classical, as every publicly trusted certificate is today.
Names on this certificate (1)

demo.larionov.tech.

Connection
TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means
DANE / TLSA
Not verified (TLSA query returned RCodeNameError)
Discovery
Well-known document
This host also publishes an ARD catalog (/.well-known/ai-catalog.json) declaring 5 resources. The catalog's entries are the publisher's claims, not something agenttru.st verified.
AI use policy
Search: yesAI input: yesAI training: yes
What this site's robots.txt says about how AI may use its content. Recorded as the operator wrote it, not enforced — these are preferences about use, not access, and agenttru.st only reads the agent's own discovery documents.
AI-facing documents
Publishes /llms.txt — “CS-Cart” a curated map of the site's content for language models
Publishes a Web Bot Auth key directory (1 key, Ed25519) — the operator publishes keys so their agent's signed requests can be verified. agenttru.st recorded that the directory exists; it has not verified a signature.
Fetched from this host during verification. Neither document is how this agent was discovered.
First seen
27 Sep 2026
View verification details
Assurance
bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols
A2A verified by handshake or card fetch, not merely advertised
Hosted in
🇷🇺 RU · LLC Smart Ape (AS56694)
Last checked
5d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of demo.larionov.tech controls every word below.

Search products

Search the store catalog by keywords, category and price range. Returns products with prices, availability and links.

catalogsearch
Examples it gives
  • find a waterproof jacket under 100
  • what mugs do you sell

Get product details

Full details of one product: description, price, stock, options and features.

catalog
Examples it gives
  • tell me more about product 42
  • what sizes does this item come in

List categories

List catalog categories, optionally the children of one category. product_count comes from the cached store counter and may be null; for an exact number call search_products with that category_id and read "total".

catalog
Examples it gives
  • what departments does this store have
  • show subcategories of category 3

UCP catalog search

Search the catalog and return products in the Universal Commerce Protocol schema (dev.ucp.shopping.catalog.search). Prices are integers in ISO 4217 minor units.

catalogucp
Examples it gives
  • find running shoes in the UCP schema
  • search this catalog as a UCP agent

UCP catalog lookup

Retrieve products or variants by identifier in the Universal Commerce Protocol schema (dev.ucp.shopping.catalog.lookup).

catalogucp
Examples it gives
  • look up product 42 in the UCP schema
  • resolve these variant ids

Create a cart

Create an empty cart and get its identifier. Every other cart call needs that identifier.

cart
Examples it gives
  • start a new order
  • begin shopping

Add a product to the cart

Add a product to a cart. Product options are passed as option_id => variant_id pairs.

cart
Examples it gives
  • add two of product 42 to my cart
  • put the blue one in the basket

Change or remove a cart line

Set a new quantity for a cart line, or remove it by passing amount 0.

cart
Examples it gives
  • make it three instead of two
  • remove the mug from my cart

Read the cart

Read the current contents and totals of a cart.

cart
Examples it gives
  • what is in my cart
  • how much is it altogether

Set customer and delivery address

Attach the buyer contact details and the delivery address to a cart. Required before shipping can be calculated or an order placed.

cartcheckout
Examples it gives
  • deliver to this address
  • my email is jane@example.com

Get shipping options

Calculate real shipping rates for the cart address and list the available methods per vendor group.

cartshipping
Examples it gives
  • how much is delivery
  • what shipping methods can I choose

Choose a shipping method

Select a shipping method for each product group in the cart.

cartshipping
Examples it gives
  • use the cheapest delivery
  • pick express shipping

Place the order

Turn the cart into a real order. Requires customer details and, when the cart needs shipping, a chosen shipping method.

checkout
Examples it gives
  • place the order
  • buy it

Get order status

Read the status and contents of an order placed through this API.

orders
Examples it gives
  • where is my order
  • what is the status of order 1042

What kind of listing

Checked by agenttru.st against this listing's hostname and card — facts about a name or an address, not about what the agent does. How kinds are decided.

What its catalog declares

From the ARD catalog this host publishes at /.well-known/ai-catalog.json. The operator controls every entry; agenttru.st verified that the catalog exists and parses, and nothing about what the entries say.

CS-Cart Storefront MCP

mcp-server-card

MCP server exposing catalog search, cart and checkout tools for this store.

https://demo.larionov.tech/.well-known/mcp/server-card.json

CS-Cart Shopping Agent

a2a-agent-card

A2A agent card describing the shopping interface of this store.

https://demo.larionov.tech/.well-known/agent-card.json

CS-Cart Storefront API

openapi

OpenAPI description of the agent-facing REST endpoints of this store.

https://demo.larionov.tech/openapi.json

CS-Cart Product Feeds

json

Catalogue feeds for AI shopping destinations, plus the live UCP catalog capability.

https://demo.larionov.tech/agent/feed-metadata.json

CS-Cart Agent Skills

json

Skill documents describing how to shop in this store as an agent.

https://demo.larionov.tech/.well-known/agent-skills/index.json

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider
CS-Cart — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol
a2a
Version
1.3.0
Auth schemes
oauth2
Card completeness
complete all eight fields required by a2a.proto v1.0
View all card details
Capabilities
pushNotifications stateTransitionHistory streaming
Agent card
https://demo.larionov.tech/.well-known/agent-card.json

Operate this agent and would rather not be listed? Request removal.