Add Russian business and marketplace API MCP servers: hh.ru, VK, Diadoc, SBIS, Chestny ZNAK, marketplaces

docs/developer-productivity--utilities.md

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 Servers enhancing developer workflows, integrating with IDEs, accessing documentation, API exploration, code generation helpers, or general dev utilities.
 
+- [ilyautov/hh-mcp-ru](https://github.com/ilyautov/hh-mcp-ru): hh.ru — the dominant job board in Russia and the CIS — for AI agents: vacancies, applications and invitations, resumes, reference books, salary statistics. 133 methods generated from the official OpenAPI spec and shipped as a YAML catalog the server actually executes, reached through three generic tools (`hh_search_methods` searches the catalog in plain Russian or English, `hh_describe_method` returns one method's card, `hh_call_method` runs it) plus a catalog map and credential cabinets — 14 tool slots instead of 133 schemas in every prompt. Every method carries an access class: reads run immediately, writes and irreversible calls require confirmation. Install: `uvx hh-mcp-ru`; stdio; env `HH_TOKEN` and `HH_APP_NAME`, or add credentials from chat and they are stored locally at `~/.ru-mcp/cabinets.json` (chmod 600). Clients: Claude Desktop, Claude Code, Cursor, VS Code, Codex. Official MCP Registry id `io.github.ilyautov/hh-mcp-ru` (v0.2.0). MIT.
 - [BetterTyped/hype-stack](https://github.com/BetterTyped/hype-stack): Fullstack SaaS monorepo MCP (~11 tools) for creating/composing apps (web, Electron, Expo, extension). Install: `npx @hype-stack/cli mcp install`. The template and free packs are described as open source; paid packs use separate licensing.
 
 - [VoDaiLocz/kilo-kit-mcp](https://github.com/VoDaiLocz/kilo-kit-mcp): All-in-one 18-tool MCP runtime and 177-skill library providing protocol-level C4 workflow gates, sandboxed execution, and cognitive reasoning engines (Tree of Thoughts DAG, Red-Team Grilling, 5-Whys Root Cause Tracer, Context Compactor, Self-Evolution) for coding agents across Antigravity, Cursor, Windsurf, Claude Code, and Codex. Install: `npx -y @vodailoc/kilo-kit-mcp setup`. Apache-2.0.

docs/finance--crypto.md

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 Servers dealing with financial data, stock markets, cryptocurrency exchanges/data, trading bots, banking APIs, accounting software, or blockchain interactions.
 
+- [ilyautov/diadoc-mcp-ru](https://github.com/ilyautov/diadoc-mcp-ru): Diadoc (Kontur), one of the two main legally-binding EDI operators in Russia, for AI agents: documents, counteragents, signing, powers of attorney. 114 methods from the official documentation, shipped as a YAML catalog and reached through three generic tools (`diadoc_search_methods`, `diadoc_describe_method`, `diadoc_call_method`) plus a catalog map and credential cabinets — 14 tool slots instead of 114 schemas per prompt. Signing and other irreversible calls require confirmation; reads run immediately. Install: `uvx diadoc-mcp-ru`; stdio; env `DIADOC_CLIENT_ID`, `DIADOC_TOKEN`, or add them from chat into `~/.ru-mcp/cabinets.json` (chmod 600). Clients: Claude Desktop, Claude Code, Cursor, VS Code, Codex. Official MCP Registry id `io.github.ilyautov/diadoc-mcp-ru` (v0.2.0). MIT.
+- [ilyautov/sbis-mcp-ru](https://github.com/ilyautov/sbis-mcp-ru): SBIS (Saby), the other main legally-binding EDI operator in Russia, for AI agents: documents, EDI stages, signatures, certificates. 45 methods as a YAML catalog behind three generic tools (`sbis_search_methods`, `sbis_describe_method`, `sbis_call_method`) plus a catalog map and credential cabinets. Reads run immediately; writes and irreversible calls require confirmation. Install: `uvx sbis-mcp-ru`; stdio; env `SBIS_SESSION_ID`, or add it from chat into `~/.ru-mcp/cabinets.json` (chmod 600). Clients: Claude Desktop, Claude Code, Cursor, VS Code, Codex. Official MCP Registry id `io.github.ilyautov/sbis-mcp-ru` (v0.2.0). MIT.
+- [ilyautov/chestny-znak-mcp-ru](https://github.com/ilyautov/chestny-znak-mcp-ru): Chestny ZNAK (GIS MT), the state product-marking system every Russian seller of marked goods has to work with, for AI agents: marking codes, emission in SUZ, reports. 33 methods as a YAML catalog behind three generic tools (`crpt_search_methods`, `crpt_describe_method`, `crpt_call_method`) plus a catalog map and credential cabinets. Code emission and other irreversible calls require confirmation. Install: `uvx chestny-znak-mcp-ru`; stdio; env `CRPT_TOKEN` (issued in exchange for data signed with a qualified certificate on the user's own machine; the private key never reaches the server), or add it from chat into `~/.ru-mcp/cabinets.json` (chmod 600). Clients: Claude Desktop, Claude Code, Cursor, VS Code, Codex. Official MCP Registry id `io.github.ilyautov/chestny-znak-mcp-ru` (v0.2.0). MIT.
 - [CardDeals](https://github.com/cello305/carddeals-mcp): Search and compare current U.S. digital gift card discounts and deal stacking opportunities from validated providers across 700+ brands. Anonymous, free, and read-only. Remote Streamable HTTP endpoint: `https://catalog.carddeals.co/mcp`. Official MCP Registry id `io.github.cello305/carddeals-mcp` (v1.0.1). MIT.
 - [send21](https://send21.io/mcp): Hosted Streamable HTTP MCP for preparing non-custodial BTC, USDC, USDT, and EURC payment drafts, pay links, transaction templates, rates, and fees. send21 never holds keys or funds; the sender signs in their own wallet. Endpoint: `https://send21.io/mcp`; `tools/list` works unauthenticated and tool calls use `Authorization: Bearer s21_<key>`. Docs: https://send21.io/llms.txt.
 - [x402-list](https://github.com/mcccsm/x402-list-mcp): Read-only MCP wrapper over the x402-list directory, which finds and verifies x402-payable APIs before an agent pays. Search and rank services by uptime, price, and x402 compliance, read on-chain-verified facilitator settlement volume, and watch a drift feed of price, payTo, and schema changes. Free no-auth REST API, no key needed. Install: `npx -y x402-list-mcp`. Hosted Streamable HTTP endpoint at `https://mcp.x402-list.com/mcp` (x402-list-mcp v0.5.1). Homepage: https://x402-list.com. MIT.

docs/marketing-sales--crm.md

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 Servers integrating with CRM platforms, marketing analytics, customer data platforms, or advertising platforms.
 
+- [ilyautov/marketplaces-mcp-ru](https://github.com/ilyautov/marketplaces-mcp-ru): Seller APIs of the four Russian marketplaces — Wildberries, Ozon (Seller and Performance), Yandex Market and Avito — for AI agents: sales and orders, stocks and prices, finance, reviews and ads. 1022 methods ship as YAML catalogs the server executes, reached through three generic tools (`search_methods` searches the catalog in plain Russian or English, `describe_method` returns one method's card, `call_method` runs it) plus catalog maps and credential cabinets, so a client sees tool slots instead of 1022 schemas. Every method carries an access class: reads run immediately, writes and irreversible calls require confirmation, and several shops can be connected and switched from chat. Install: `uvx marketplaces-mcp-ru` or `npx -y marketplaces-mcp-ru`; Docker image and a one-click Claude Desktop `.mcpb` bundle; stdio and Streamable HTTP. Single-marketplace builds of the same server: [ozon-mcp-ru](https://github.com/ilyautov/ozon-mcp-ru) (441 methods), [wildberries-mcp-ru](https://github.com/ilyautov/wildberries-mcp-ru) (307), [yandex-market-mcp-ru](https://github.com/ilyautov/yandex-market-mcp-ru) (165), [avito-mcp-ru](https://github.com/ilyautov/avito-mcp-ru) (64). Per-marketplace method maps and API-key setup: https://marketplaces-mcp-ru.aifrontier.tech/ . Official MCP Registry id `io.github.ilyautov/marketplaces-mcp-ru`. MIT.
 - [Posylai](https://posylai.ru/mcp/): Build brand-styled HTML email campaigns from a website URL. 29 tools: read a brand site to extract its visual language, assemble a reusable master template, compose a campaign from a brief, render it for desktop and mobile, run pre-send checks (unsubscribe link, sender identity, alt text, message weight, tappable buttons), fix findings, and export production HTML. It does not send campaigns and does not store subscribers — sending happens through your own ESP. Streamable HTTP at `https://mcp.posylai.ru/mcp`; per-user bearer token, free tier; official MCP Registry id `ru.posylai/email`; docs: https://github.com/crmlove/posylai-mcp
 - [Comunicate.top](https://comunicate.top/en/mcp): Publish press releases and advertorials on a network of 3,800+ online publications in Romania, Italy and other European markets. 20 tools: search the catalogue by niche, domain authority, price and turnaround; write and revise drafts; check an article against SEO and campaign-type rules; order publication and read back the live URL; campaigns, balance and reports. Prices are printed in the catalogue and identical for everyone, and paid placements are labelled as advertising. Streamable HTTP at `https://app.comunicate.top/mcp`; OAuth 2.1 with PKCE and Dynamic Client Registration, or an API key; official MCP Registry id `top.comunicate/publishing`; docs: https://github.com/adrianncraciun-cmd/public-mcp
 - [SalesTouch](https://github.com/antoineDsh/SalesTouch): Connect AI agents to LinkedIn prospecting workflows for profile, company, and post research; lead qualification; conversations; follow-ups; content engagement; and publishing. Remote endpoint: `https://www.salestouch.io/api/mcp`; Transport: Streamable HTTP; Auth: OAuth.

docs/social-media--content-platforms.md

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 Servers interacting with social networks, content platforms, or feed aggregators.
 
+- [ilyautov/vk-mcp-ru](https://github.com/ilyautov/vk-mcp-ru): VK, the largest social network in Russia, for AI agents: communities, VK Market goods, ads, conversations, statistics. 373 methods from the official API description, shipped as a YAML catalog and reached through three generic tools (`vk_search_methods`, `vk_describe_method`, `vk_call_method`) plus a catalog map and credential cabinets — 14 tool slots regardless of catalog size. Reads run immediately; writes and irreversible calls require confirmation. Install: `uvx vk-mcp-ru`; stdio; env `VK_TOKEN`, or add it from chat into `~/.ru-mcp/cabinets.json` (chmod 600). Clients: Claude Desktop, Claude Code, Cursor, VS Code, Codex. Official MCP Registry id `io.github.ilyautov/vk-mcp-ru` (v0.2.0). MIT.
 - [jcaiagent7143-ui/linkdigest-mcp](https://github.com/jcaiagent7143-ui/linkdigest-mcp): Turns a Xiaohongshu, Douyin, TikTok, YouTube or X link into text an agent can read - transcript with timecodes, on-screen text, a description and OCR of every image, caption and metadata, as Markdown or JSON. One tool, `digest_url(url, format, job_id)`; long media exceeds a single request, so a call can return a job id to collect on a second call. Streamable HTTP at `https://linkdigest.dev/mcp` with a Bearer API key, nothing to install. Bilibili is blocked (HTTP 412 to the server's address) and Instagram is wired but unverified. Three digests free, no card. Docs: https://linkdigest.dev/docs
 - [InstaSeer](https://github.com/singaporeandurian/instaseer-mcp): Instagram/TikTok/Facebook audience analysis for AI agents — pull full public post timelines, engagement stats, and posting-calendar heatmaps for any public profile. 5 tools. Streamable HTTP (stateless) at `https://www.instaseer.com/mcp` with OAuth 2.1 or API keys; free tier of 50 credits/month, nothing to install. Docs: https://www.instaseer.com/instagram-analysis-in-claude-chatgpt
 - [Autoposting-ai/autoposting-mcp](https://github.com/Autoposting-ai/autoposting-mcp): Remote MCP server for Autoposting — schedule, generate and publish social posts to X, LinkedIn, Instagram, Threads and YouTube. 69 tools across posts, AI idea agents, brands, knowledge base, carousels, video clips and webhooks. Streamable HTTP at `https://app.autoposting.ai/mcp` with OAuth 2.1 Dynamic Client Registration (nothing to install). Docs: https://docs.autoposting.ai/mcp/overview