MCP GSuite Server

The mcp‑gsuite server is a specialized Model Context Protocol endpoint that gives AI assistants instant, secure access to Google Workspace services such as Gmail and Calendar. By exposing a set of declarative tools, it eliminates the need for developers to write custom OAuth flows or API wrappers, allowing Claude or other agents to perform complex email and scheduling tasks directly from natural‑language prompts. This integration is particularly valuable for productivity workflows where an assistant must read, compose, or manage communication on behalf of a user while respecting privacy and multi‑account contexts.

At its core, the server handles OAuth 2 authentication with Google, storing refresh tokens locally so that subsequent calls are seamless. It supports multiple accounts per user, enabling an assistant to switch context between personal and work mailboxes or different calendars. The Gmail capabilities include querying messages with flexible filters (unread, sender, date ranges, attachments), retrieving full email bodies by ID, creating and deleting drafts, replying to threads (either immediately or as a draft), and bulk downloading attachments. Calendar features let the assistant list events within arbitrary windows, create events with rich metadata (location, description, attendees, timezone, notifications), and delete existing entries. All these actions are exposed through intuitive tool names that can be invoked by the model using simple prompt patterns.

Real‑world scenarios benefit from this server in several ways. A project manager can ask the assistant to “pull my latest unread emails from the Scrum Master” or “draft a reply to Bob’s thank‑you note and store it as a draft.” A scheduling assistant can request “what do I have on my agenda tomorrow?” or “suggest two‑hour slots for a meeting with Tim next week,” and the model will translate those into calendar queries or event creations. Because the server manages authentication transparently, developers can focus on higher‑level dialogue logic rather than boilerplate API handling.

Integration into AI workflows is straightforward: once the server is registered with a client such as Claude Desktop via Smithery, the assistant’s prompt engine automatically discovers the available tools. The model can then invoke them using natural language, receive structured responses (e.g., a list of event titles or email snippets), and weave those results into ongoing conversations. This tight coupling between context (the user’s current task) and data (their Gmail/Calendar content) makes the assistant feel more responsive and intelligent.

Unique advantages of mcp‑gsuite include its multi‑account support, the ability to annotate accounts with custom “extra_info” that informs the assistant about calendar types (family, work), and a comprehensive set of Gmail operations beyond simple read‑only access. By bundling these capabilities into a single MCP server, developers gain a powerful, secure bridge to Google Workspace that scales from personal productivity tools to enterprise‑grade workflow automation.