Track Latency, Errors, Cost And Token Usage Across Outbound Llm/api Traffic

Lunar.dev is a self-hosted API gateway plus MCP aggregator that sits between apps/agents and third-party APIs, adding traffic visibility, rate limiting, policy enforcement, retries and circuit breakers. MCPX consolidates multiple MCP servers behind one endpoint for security and observability.

MCP | TypeScript · mcp-gateway · mcp-aggregation