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Mark selected notifications or all notifications present at the request snapshot as read/unread. Repeated read marks preserve the first read time. Choose ids OR all:true.

Workflow

Access and behavior

Write or Administrator OAuth consent and a member/administrator team role are required. Tools are listed and callable only when the current grant and role permit them. Choose ids or all:true, never both. read defaults to true; false marks unread. All applies to the request snapshot, leaving later arrivals unread. Repeated read marks preserve the original receipt time. Team API keys cannot mutate personal notifications.

Arguments

Example call

The client initializes the MCP connection before sending this JSON-RPC call. Example records are fictional.

Example result

Mill returns this object in structuredContent and normally a JSON text content block (large responses may shorten the text block). A tool failure sets isError; never treat an error as a completed mutation.
HTTP operation · Connect an MCP client · Request conventions