Multi Gmail MCP

A Model Context Protocol (MCP) server that lets Claude Desktop manage multiple Gmail accounts simultaneously. Listed on the official Anthropic MCP registry and published on npm. Its 15 documented tools cover email, auth, label, mark. It runs locally over stdio via the published package.

People connecting email tools to Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-13 · ★ 18 · #24 OF 75 MAINTAINED EMAIL · VERIFIED 2026-08-25

MIT · JavaScript servers · how we verify → /methodology

01 · Install Multi Gmail MCP

before you install - you'll need

Set GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET before connecting.

Claude Code

claude mcp add gx-55-multi-gmail-mcp -- npx -y multi-gmail-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "gx-55-multi-gmail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "multi-gmail-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package multi-gmail-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.gx-55 is GitHub-verified and matches the repo owner

03 · What Multi Gmail MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can list all authenticated Gmail accounts, remove an account and its stored credentials, search with Gmail syntax (is:unread, from:, after:, etc.), and fetch full email content by message ID.

Capability map

Tools grouped from the project's README - what Multi Gmail MCP lets an agent do.

Email

4 tools - e.g. Fetch full email content by message ID; Send an email (supports To, CC, BCC); Reply in thread, preserving References headers

get_email · send_email · reply_to_email · archive_email

read & search

3 tools - e.g. List all authenticated Gmail accounts; Search with Gmail syntax (is:unread, from:, after:, etc.); List all Gmail labels for an account

list_accounts · search_emails · list_labels

auth & access

2 tools - e.g. Start OAuth flow - returns a URL to open in browser; Finalize auth after completing Google sign-in

initiate_auth · complete_auth

Label

2 tools - e.g. Add one or more labels to a message; Remove one or more labels from a message

add_label · remove_label

Mark

2 tools - e.g. Remove the UNREAD label; Add the UNREAD label

mark_as_read · mark_as_unread

delete

1 tool - e.g. Remove an account and its stored credentials

remove_account

create & write

1 tool - e.g. Save an email as a draft

create_draft

04 · Who maintains Multi Gmail MCP

multi-gmail-mcp is maintained by gx-55. It's the only MCP server we track from this author; the repo dates to Apr 2026.

05 · Facts

category
email - ranked #24 of 75 actively-maintained email servers as of 2026-08-25.
registry
io.github.gx-55/multi-gmail-mcp (active, first published 2026-04-27 · 2 versions)
packages
npm:multi-gmail-mcp

06 · Multi Gmail MCP FAQ

Is Multi Gmail MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-13. We re-verify nightly.

What can Multi Gmail MCP do?

With this server connected, an agent can list all authenticated Gmail accounts, remove an account and its stored credentials, search with Gmail syntax (is:unread, from:, after:, etc.), and fetch full email content by message ID.

How do I install Multi Gmail MCP?

Run `npx -y multi-gmail-mcp`. The README documents 2 environment variables (GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET) to set first. Set GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET before connecting. You can also paste the ready-made client config above.

Does Multi Gmail MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Multi Gmail MCP