Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add Vladimir-Human/ru-marketplace-mcp --skill yandex-connectorgit clone --depth 1 https://github.com/Vladimir-Human/ru-marketplace-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/vladimir-human/ru-marketplace-mcp/yandex-connector)<a href="https://agentmods.dev/skills/vladimir-human/ru-marketplace-mcp/yandex-connector"><img src="https://agentmods.dev/badge/skills/vladimir-human/ru-marketplace-mcp/yandex-connector/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/vladimir-human/ru-marketplace-mcp/yandex-connector"><img src="https://agentmods.dev/badge/skills/vladimir-human/ru-marketplace-mcp/yandex-connector.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00088 | $0.01393 |
| Opus 5 | $0.00044 | $0.00696 |
| Sonnet 5 | $0.00018 | $0.00279 |
| Haiku 4.5 | $0.00009 | $0.00139 |
Grade A, and why
yandex-connector scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- yandex-connector — 91% identical, 35 lines differ
How it starts
The opening of the file, as written. The whole thing — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Yandex Market Connector
Read Yandex Market via yandex_* tools. No credentials, no browser: the data comes
from the server-rendered page state.
Yandex Market aggregates many sellers per product, which makes it the best single source for "what does this actually cost right now" — and it lists categories (appliances, electronics, groceries) that Wildberries and Ozon cover unevenly.
When to use
- Price check across competing sellers for one product
- Rating analysis, especially the star distribution — a 4.8 average with a 1-star cluster tells a very different story than a clean 4.8
- Reading buyer reviews with pros/cons separated
- Finding products outside WB/Ozon's strong categories
Tools
yandex_search(query, page=1, limit=12)— text search. Returns products with both prices, ratings, sellers and stock.yandex_card(product_id, include_reviews=True)— full detail: prices, offer count, star breakdown, and the reviews.
Not an MCP tool: yandex_selfcheck() is a drift canary. It is CLI-only —
run marketplace-mcp doctor after install and whenever results look wrong.
The price field that matters most
Every price appears twice, and the difference is not cosmetic:
price_rub— what anyone pays (on search rows: the price the SERP snippet's cart button charges, verified against product cards). Quote this one.price_with_plus— requires a paid Yandex Plus subscription, typically 25-30% lower.
Yandex's own UI leads with the subscriber price, so it is easy to quote a number
the operator cannot actually get. Discounted rows also carry the
struck-through reference — price_old_rub on search rows,
price_before_discount_rub plus discount_percent on cards. It is context for
the discount, never a price to quote.
Workflow patterns
Price check:
yandex_search(query="стиральная машина узкая", limit=10)- Report
price_rub; noteprice_with_plusonly as a footnote. total_availabletells you how much else exists beyond the page.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- today Changed · +12 lines a74737c679a5
- 2d ago Changed · +6 lines d96feb0cd7ea
- 12d ago First seen · 99 lines · 88 tokens per session scan A da142c8ca868
yandex-connector is a skill published in the GitHub repository Vladimir-Human/ru-marketplace-mcp (93 stars, last pushed yesterday), licensed MIT. It adds 88 tokens to every session and 1,393 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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