Matrix / Latest protocol
Which MCP clients support Latest protocol?
Verified Yes (4): Claude Code, Claude.ai (web), GitHub Copilot CLI, Goose.
| Client | Status | Notes | Source |
|---|---|---|---|
| Claude Code | Yes | 2026-07-28 by default (HTTP; stdio since v2.1.292) | |
| Claude.ai (web) | Yes | 2026-07-28 observed | |
| GitHub Copilot CLI | Yes | 2026-07-28 since 1.0.81 | |
| Goose | Yes | 2026-07-28 negotiated (1.50.0) | |
| Claude Desktop | Partial | Connectors 2026-07-28; local servers 2025-11-25 | |
| ChatGPT | Partial | Desktop stdio negotiated 2025-06-18; HTTP unconfirmed | |
| OpenAI Codex | Unknown | Not found in official docs or a verified test | — |
| Cursor | Unknown | Not found in official docs or a verified test | — |
| VS Code (GitHub Copilot) | Unknown | Not found in official docs or a verified test | — |
| Windsurf / Devin Desktop | Unknown | Not found in official docs or a verified test | — |
| Zed | Unknown | Not found in official docs or a verified test | — |
| Cline | Unknown | Not found in official docs or a verified test | — |
| Roo Code | Unknown | Not found in official docs or a verified test | — |
| Continue | Unknown | Not found in official docs or a verified test | — |
| Gemini CLI | Unknown | Not found in official docs or a verified test | — |
| JetBrains AI Assistant | Unknown | Not found in official docs or a verified test | — |
| Kiro | Unknown | Not found in official docs or a verified test | — |