extensions property

Map<String, Map<String, dynamic>>? extensions
final

Extensions framework (MCP 2026-07-28). Keys are reverse-DNS extension identifiers (e.g. io.modelcontextprotocol/tasks); values are per-extension settings (empty object = supported, no settings). Additive — absent/empty for peers that do not use extensions.

Implementation

final Map<String, Map<String, dynamic>>? extensions;