The original headline is: "Four MCP transports: stdio, http, sse, websocket — picking the right one"

Short summary

MCP supports four transports: stdio for simple co-located tools, HTTP for stateless scalability, SSE and WebSockets for persistent connections. Stdio creates lifecycle coupling and debugging overhead; HTTP decouples services but adds latency for stateful interactions. Choose based on deployment model, observability needs, and whether your tool requires persistent connection state.

• •Stdio transport couples tool lifecycle to parent agent; HTTP decouples via network but sacrifices statefulness
• •HTTP enables standard infrastructure (load balancing, monitoring, health checks) with explicit security via headers/auth
• •WebSocket and SSE handle bidirectional, persistent communication for stateful tools; stdio is for simple cases

Generated with AI, which can make mistakes.