In-depth architectural comparison of the Yandex Lavka MCP and Qa Probe MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Yandex Lavka MCP
Delivery · Local stdio
Quality: 53/100 (Good) | Auth: other
Qa Probe
Delivery · Local stdio
Quality: 59/100 (Good) | Auth: No auth required
Verdict Summary: Choose Yandex Lavka MCP if you need specialized Delivery tools running via a local process. Choose Qa Probe if your workspace requires Delivery integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Yandex Lavka MCP when:
You need dedicated capabilities in the Delivery domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: YANDEX_LAVKA_MCP_TRANSPORT, YANDEX_LAVKA_MCP_CONFIG_JSON.
Primary tools included: Session and location management with saved addresses, Product search and detailed product info retrieval, Cart viewing, adding, updating, and clearing.
Yandex Lavka MCP is categorized under Delivery and uses a local stdio subprocess. In contrast, Qa Probe belongs to Delivery using local stdio subprocess. Select Yandex Lavka MCP when you need capabilities focused on delivery and Qa Probe when you require tools for delivery.
Order groceries from Yandex Lavka (Russia): search the catalog, build a cart, and place an order with a two-step confirmation before any charge. Unofficial (reverse-engineered private web API); local stdio or remote HTTP with OAuth. uvx yandex-lavka-mcp.
Probes your live API and classifies why each endpoint failed (root cause + evidence + calibrated confidence) over MCP, so your AI assistant debugs from evidence instead of guessing. Deterministic rules, no black box. Works with FastAPI, Express, Next.js, tRPC, and GraphQL. npm i -g qa-probe