A recent health check of 86 public MCP servers revealed that none are using the legacy HTTP+SSE transport protocol. The analysis, conducted on August 4, 2026, found that all servers have adopted the Streamable HTTP transport, which uses a single endpoint for requests and responses. This finding contrasts with many current tutorials that still teach the older, two-endpoint method. Additionally, the study highlighted that 86% of these public servers require authentication, meaning they are not truly open for unauthenticated access, and a significant portion of servers are still using protocolVersion 2025-06-18, with none adopting the newer stateless 2026-07-28 revision. AI
IMPACT Confirms shift to modern, single-endpoint transports in public MCP servers, impacting client and server development.
RANK_REASON Analysis of public servers regarding transport protocol usage. [lever_c_demoted from research: ic=1 ai=0.4]
AI-generated summary · Google Gemini · from 1 sources. How we write summaries →
