@ksefnik/mcp 0 stars ksefksefnikksef-mcpksef-aiksef-claudeksef-sdkksef-2e-invoiceeinvoicee-fakturafakturapolandpolishkrajowy-system-e-fakturinvoicetypescriptnodejssdkmcpmcp-servermodel-context-protocolanthropicclaudeclaude-desktopcursorai-agentai-agentsllm-toolsllmaiagentfintech