MCP 2026-07-28 adoption tracker
Of 3 cataloged MCP servers and clients, 2 have verified support for the current specification revision (2026-07-28), 0 are verified on earlier revisions, and 1 is unverified.
The current stable revision of the Model Context Protocol specification is MCP 2026-07-28. This tracker records, per server and client, whether support for it has been verified against primary evidence. Statuses change as vendors ship; every row carries its own verification date.
Verified on 2026-07-28
| Entity | Type | Status | Latest verified revision | Last verified |
|---|---|---|---|---|
| GitHub MCP Server | server (First-party) | Current Spec Verified | 2026-07-28 | |
| Vercel MCP | server (First-party) | Current Spec Verified | 2026-07-28 |
Spec support unverified
| Entity | Type | Status | Latest verified revision | Last verified |
|---|---|---|---|---|
| Claude Desktop | client | Spec Support Unverified | - |