@metrxbot/mcp-server 0 stars mcpmcp-servermodel-context-protocolmetrxai-agentllm-costcost-trackingagent-observabilityopenai-costanthropic-costmodel-optimizationbudget-managementcost-anomalyroi-trackingprovider-arbitragetoken-optimizationai-spendfinopsagent-economicscost-leak-detection