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LLMs.txt Generator for AI Search — your store describes itself to AI assistants
The add-on builds llms.txt following the llmstxt.org specification, the full catalog llms-full.txt, agents.md instructions and Markdown page versions — with prices, stock and store terms. The files update themselves and are checked before they replace the live ones.
Four kinds of files llms.txt, llms-full.txt, agents.md and .md pages
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Prices and stock on every product line, in the storefront language
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Updates without you on schedule and after catalog changes
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CS-Cart 4.17.1+ and Multi-Vendor; files per storefront and language
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The problem
Shoppers ask about products not only a search engine but also ChatGPT, Perplexity or Claude. To answer about your store, an assistant needs facts: what you sell, at what price, whether it is in stock, how delivery and payment work. Without llms.txt it pieces this together from pages, and a file that holds only links, cut-off descriptions and HTML leftovers gives it little.
Facts in one file
Prices, stock, brand, SKU and store terms — on the product line and at the top of the file, with no page markup to parse. |
The file stays current
Builds run on schedule and five minutes after catalog changes — with or without server cron. |
A broken file is not published
Specification checks and link responses: a build with errors does not replace the live file. |
You see who comes
The log shows AI crawler requests, visits from assistants and the orders that followed. |
AI files: every file and storefront language, text source, size and check result.
What you get after installing
- • llms.txt following the llmstxt.org specification. Store summary, delivery, payment, contacts, categories with product counts and lowest prices, best sellers with price, stock, brand and SKU, customer information pages.
- • llms-full.txt — the whole catalog by category: features and description of every product.
- • agents.md — instructions for AI agents: how to search and what they must not do on a customer's behalf.
- • Markdown page versions. Any product, category or content page at its own address with ".md".
- • Separate files for every storefront language: names, descriptions and links in the language of the file.
The demo store llms.txt as an AI assistant receives it: store terms, categories and best sellers with prices.
How it works
STEP 1
Build
The add-on builds the files from the catalog and store settings: on schedule, after catalog changes or by the button. |
STEP 2
Check
The file is checked against the specification, a sample of its links is requested, and the storefront is checked to serve exactly this text. |
STEP 3
Publish
A build without errors replaces the live file; the previous version stays in the history for rollback. |
STEP 4
Track
The log counts AI crawler requests, visits from assistants and the orders after them. |
Manual edits are kept
A text edited by hand or written by AI is not replaced by automatic builds: a fresh build waits as a draft.
The build page: check results, differences from the published version, contents and version history.
AI drafts
- • Claude, OpenAI-compatible services, YandexGPT or GigaChat — with your own service key.
- • The AI writes only from store data — the same data the file is built from.
- • Every link in the draft is matched against the catalog: lines with unknown addresses are removed, and the report shows how many.
- • You publish: the draft waits in the file list until you review it.
- • A request size estimate before the run, so you know the cost at the chosen service.
AI drafts: a run for each language and the request log; without a key the tab shows what to fill in the settings.
Product selection and page fields
- • Selection rules: best sellers, most viewed, new arrivals or a manual list.
- • Exclusions: products and categories that never go into any file.
- • An AI description right on the product and category pages — a short factual text instead of the short or meta description.
- • Out-of-stock products and products without a price can be left out by a setting.
Selection: the manual product list and excluded categories.
The product page: the AI description and exclusion from the files.
AI crawlers and the visit log
- • A link to llms.txt in robots.txt and, if you choose, a block for AI training crawlers — GPTBot, ClaudeBot, CCBot and similar.
- • Answer crawlers are never blocked: without them the store drops out of AI answers. The check warns if robots.txt closes the whole store to them.
- • A 30-day log: which crawlers requested files and pages, how many visits came from ChatGPT, Perplexity, Claude, Gemini, Copilot and Yandex Alice, and how many orders followed.
AI visits: crawlers by kind, visits from assistants and the orders after them.
What the add-on does not do
It does not guarantee recommendations in assistant answers: AI developers have not publicly confirmed using llms.txt to choose stores. The add-on does what can be verified: the store description is complete and current, links respond, answer crawlers are not blocked, and the log shows who requested the store.
It does not create product feeds for ad platforms or change page markup.
Running costs
The files are built without AI and at no cost: the add-on takes the data from the catalog and store settings. An AI draft is a paid request to the service you choose, at its rates; the add-on shows a request size estimate first.
Updates: the daily build time, rebuilds after catalog changes and the server cron line.
Frequently asked questions
What is llms.txt?
A text file in the site root following the llmstxt.org specification: a short site description and links to the main pages in Markdown. AI assistants and agents read it when they need to understand a site quickly.
Will my store appear in ChatGPT answers?
No file can guarantee that: AI developers do not disclose how they choose sources. The add-on gives an assistant accurate facts about the store and shows which crawlers already request it.
Do I need an AI key?
No. The files are built from the catalog without AI. A key is needed only for drafts written by AI.
CS-Cart 4.20 already has an llms.txt editor. Why the add-on?
The core editor keeps a text written by hand. The add-on builds the files from the catalog, updates and checks them, keeps a version history and adds llms-full.txt, agents.md and Markdown pages. While the add-on file is published, the editor text is not served.
Does it work with several storefronts and languages?
Yes. Settings and files belong to each storefront, with a file for every language. In Ultimate the files use the product prices, names and descriptions of the storefront company.
I use version 1.x. What happens on upgrade?
On the first admin page load the add-on creates its tables and keeps your settings, and the previous llms.txt is served until the first build.
See the add-on on the demo store. The files are built from the demo catalog in two languages, and the log holds 30 days of crawler requests and visits from AI assistants.
Payment type
One-time payment
Product
- Store Builder
- Store Builder Plus
- Store Builder Ultimate
- Multi-Vendor
- Multi-Vendor Plus
- Multi-Vendor Ultimate
Compatible versions
- 4.21.1
- 4.20.1
- 4.19.1.SP2
- 4.19.1.SP1
- 4.19.1
- 4.18.4
- 4.18.3
- 4.18.2.SP1
- 4.18.2
- 4.18.1.SP1
- 4.18.1
- 4.17.2.SP3
- 4.17.2.SP2
- 4.17.2.SP1
- 4.17.2
- 4.17.1
Localizations
- English
- Русский
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CS-Cart development · in-house team · since 2013 We build, upgrade and speed up CS-Cart stores and marketplacesAnalysts, developers, designers, QA and support under one roof — no subcontractors. We ship add-ons you can buy on this page today, and we take on the work that no ready-made add-on covers. |
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2013 Working with |
4.98 Rating from |
200+ Solutions on this |
500+ E-commerce projects |
Flagship products
Two add-ons that change how a store performs
Everything else we publish improves one screen. These two change the numbers: how customers find products, and how often they come back.
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Add-on · Search & merchandising Smart SearchElasticsearch-powered search for large catalogues. The customer types two letters, sees products with images and prices, and buys from the dropdown — even after a typo or with the wrong keyboard layout. Visitors who use the search bar are 24% of traffic and 44% of revenue, and convert about 2.5× better than people who only browse categories. If search returns nothing, up to 80% of them leave. | ||||||||
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Try it on a live catalogue: open the demo store and search with a deliberate typo. |
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Add-on · Mobile commerce PowerApp — mobile app for your storeA native iOS and Android app running on your CS-Cart data: the same products, prices, stock, promotions, reward points and orders. There is no second catalogue to maintain — everything stays in the admin panel you already use. A mobile site brings a customer in once; an app brings them back for free. Push notifications replace the retargeting budget you spend to buy the same customer a second time. | ||||||||
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Screens, block types and pricing tiers: see how the app is built. |
Services
When no add-on solves it, we do the work
Fixed scope, written specification, a named project manager and a warranty on what we ship.
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Custom CS-Cart development Functionality the platform does not have: add-ons, marketplace mechanics, integrations with 1C, CRM, ERP, payment and delivery providers. We start from a written specification, not from an estimate on a phone call. Details → |
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CS-Cart upgrade Move to the current version without losing data, custom code or add-ons. We audit every modification first, upgrade on a staging copy, adapt what breaks and switch over with little or no downtime. Details → |
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Speed and performance optimisation Conversion falls by about 4.4% for every extra second of load time. We profile the server, the database and the front-end, then fix what actually costs the seconds — and show you the before-and-after numbers. Details → |
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Design for CS-Cart Mobile-first storefront design built on CS-Cart's own template structure, so the layout survives the next platform upgrade instead of becoming a migration problem. Details → |
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SEO for CS-Cart A technical audit of indexing, duplicates, redirects, structured data and Core Web Vitals — delivered as a prioritised fix list your developers can act on, or that we implement ourselves. Details → |
How we work
What you get besides the code
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Before we start We discuss the goal, offer options and write the specification. You approve scope and price before development begins. |
While we build A named project manager reports progress on a fixed schedule. You always know what is in work and what is next. |
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Before release A separate QA pass on every release — the developer who wrote the code is not the person who signs it off. |
After handover Documentation for everything we ship, plus a warranty on the modifications and the project. |
Tell us what the store needs to doDescribe the task in a couple of sentences and we will come back with options, a scope and a price. The consultation is free, and we will say plainly if a ready-made add-on already solves it.
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Client cases, our full add-on catalogue and 184 customer reviews are in the tabs above.
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