MCP tool
add_label
Add a label to an email (ProtonMail folders, Gmail X-GM-LABELS, or IMAP keywords)
The add_label tool is provided by Mailoo - Email MCP Server. Install that server in your AI client and the assistant can call it directly.
Servers exposing add_label
From the publisher:Add a label to an email (ProtonMail folders, Gmail X-GM-LABELS, or IMAP keywords)
Install Mailoo - Email MCP Server →
Related tools
The same action under a namespaced name on other servers.
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.