A divide-and-conquer wiki of system-design skills for Claude Code — reason about scalable systems, don't memorize architectures.

Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.

MCP server for Qut Pay (qut.kz): create Kaspi QR / Kaspi link invoices for Kazakhstan merchants, check status, list, cancel, refund (live needs confirm) and simulate payments in sandbox. 9 tools, 5 doc resources, 2 prompts. npm: npx -y @qutpay/mcp with QUTPAY_API_KEY. Source in examples/mcp. Independent service, not affiliated with Kaspi Bank.

Enables AI assistants to query an offline, binary-verified GENTAHAX Lua API knowledge base (functions, hooks, structs, packet types, variants, 6832 real item IDs), analyze Lua code for ban risk, and — via a deployable in-game file-IPC bridge — execute scripts and read live world, player, and inventory data from Growtopia.