01Full MCP Protocol Support (version 2025-06-18)
020 GitHub stars
03100% Header-Only library, no core compilation needed
04Comprehensive Server Capabilities: Tools, Resources, Prompts, Sampling, Elicitation, Logging
05Multiple Transport Layers: Stdio, HTTP/SSE, and WebSocket
06Enterprise Features: Middleware, Rate Limiting, Circuit Breaker, Prometheus Metrics, Bearer Token Authentication with RBAC