Claude Platform release notes — June 22, 2026
- MCP tunnels (research preview): the management API moved from
/v1/organizations/tunnelson the Admin API to/v1/tunnelson the Claude API. The new surface uses theanthropic-beta: mcp-tunnels-2026-06-22header and theworkspace:manage_tunnelsWIF scope. The previous surface remains available during a migration window. See the Tunnels API reference.