The remote MCP tool-call dispatcher now accepts optional onFirstSend and onAddressed callbacks, fired when a tool call is sent over the transport and when a recipient acknowledges it.
Remote MCP tool calls gain send/addressed callbacks
Remote MCP tool dispatch gained callbacks for when a call is first sent and when a recipient acknowledges it.
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Remote ToolsArea: what it touches
Internal ChangesKind: in v2.1.259,
Internal ChangesSection of the release