74% of public MCP servers aren't ready for the 2026-07-28 spec
Toolweather probes about 2,043 public MCP servers every 15 minutes. Of 952 classified servers, 706 (74%) are legacy-only and not ready for the 2026-07-28 spec, while only 26% are dual-era or modern. Median handshake is 128 ms, with 14,938 tools tracked.
- 706 of 952 servers (74%) aren't ready for the MCP 2026-07-28 spec
- Only 26% of servers are dual-era or modern
- 47% of servers are open, 51% sit behind auth
- Median handshake is 128 ms, with 14,938 tools tracked
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