MCP registry tripled in 14 days, but 27% of new servers are dead

A walk of the official MCP registry on 17 October found 156,994 name:version pairs across 45,397 servers, up from 53,068 pairs across 16,993 names two weeks earlier. Of 300 sampled new public HTTP endpoints, only 22.3% support the 2026-07-28 spec, 27% answer no handshake at all, and 4% echo any claimed era, including fictional ones.

• 156,994 name:version pairs across 45,397 servers vs 53,068 across 16,993 two weeks earlier
• 22.3% of new endpoints serve the 2026-07-28 era, versus 24.8% in the 8 October cohort
• 81 of 300 new endpoints (27%) answered none of four protocol eras
• 12 endpoints (4%) echoed fictional eras such as 1999-01-01