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Gmail

Official registry Productivity

Allow AI systems to read, send, archive, and manage emails via Gmail.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package gmail-mcp
Claude Code 
claude mcp add gmail -e 'GOOGLE_ACCESS_TOKEN=<your google_access_token>' -- npx -y gmail-mcp@2.4.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "gmail": {
            "command": "npx",
            "args": [
                "-y",
                "gmail-mcp@2.4.0"
            ],
            "env": {
                "GOOGLE_ACCESS_TOKEN": "<your google_access_token>"
            }
        }
    }
}

Environment variables

  • GOOGLE_ACCESS_TOKEN required secret Google OAuth access token with Gmail scopes.
NPM package gmail-mcp
Claude Code 
claude mcp add gmail -e 'MCP_TRANSPORT=<MCP_TRANSPORT>' -e 'GOOGLE_CLIENT_ID=<GOOGLE_CLIENT_ID>' -e 'GOOGLE_CLIENT_SECRET=<your google_client_secret>' -- npx -y gmail-mcp@2.4.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "gmail": {
            "command": "npx",
            "args": [
                "-y",
                "gmail-mcp@2.4.0"
            ],
            "env": {
                "MCP_TRANSPORT": "<MCP_TRANSPORT>",
                "GOOGLE_CLIENT_ID": "<GOOGLE_CLIENT_ID>",
                "GOOGLE_CLIENT_SECRET": "<your google_client_secret>"
            }
        }
    }
}

Environment variables

  • MCP_TRANSPORT required Transport type.
  • GOOGLE_CLIENT_ID required Google OAuth client ID.
  • GOOGLE_CLIENT_SECRET required secret Google OAuth client secret.

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. gmail-mcp
  2. Use Cases
  3. Setup
  4. Architecture
  5. Tools
  6. Gmail API Scopes
  7. Contributing
  8. Releases

gmail-mcp

MCP server for Gmail - read, send, archive, and manage emails.

Use Cases

Flight check-in: "Check me in for my flight tomorrow" → finds your confirmation email, extracts the booking reference, and completes check-in with browser use.

Expense submission: "Submit my Amazon purchases from last week as expenses" → finds receipts, extracts amounts/categories, and files them in your expense system.

Package tracking: "Where's my package from Acme?" → finds the shipping notification, extracts the tracking number, and fetches current delivery status.

Find that attachment: "What did we settle on for the budget? Michelle sent me something yesterday" → locates the email and opens the attached spreadsheet.

Vacation mode: "I'm on holiday Dec 20-Jan 2" → sets up Gmail auto-reply, blocks your calendar, and updates your Slack status in one go.

Meeting follow-up: After a call, your assistant reads the Gemini transcript, summarizes key decisions, and drafts a follow-up email with action items.

(These are just examples - any workflow that needs email search, reading, or sending can use this.)

Setup

1. Create Google OAuth credentials
  1. Go to Google Cloud Console
  2. Create a new project (or use existing)
  3. Enable the Gmail API
  4. Go to APIs & Services → OAuth consent screen, set up consent screen
  5. Go to APIs & Services → Credentials → Create Credentials → OAuth client ID
  6. Choose Web application
  7. Add http://localhost:3000/callback to Authorized redirect URIs
  8. Note your Client ID and Client Secret
2. Run the server
GOOGLE_CLIENT_ID='your-client-id' \
GOOGLE_CLIENT_SECRET='your-client-secret' \
MCP_TRANSPORT=http \
npm start

The server runs on http://localhost:3000 by default. Change with PORT=3001.

3. Add to your MCP client

With the server running, follow the instructions on install-mcp, which generates the right config for your MCP client (Claude Code, Claude Desktop, Cursor, Cline, VS Code, and more).

Architecture

This server acts as an OAuth proxy to Google:

graph LR
    A[MCP client] <--> B[gmail-mcp] <--> C[Google OAuth/API]
  1. Server advertises itself as an OAuth authorization server via /.well-known/oauth-authorization-server
  2. /register returns the Google OAuth client credentials
  3. /authorize redirects to Google, encoding the client's callback URL in state
  4. /callback receives the code from Google and forwards to the client's callback
  5. /token proxies token requests to Google, injecting client credentials
  6. /mcp handles MCP requests, using the bearer token to call Gmail API

The server holds no tokens or state - it just proxies OAuth to Google.

Tools

ToolDescription
gmail_get_profileGet user's email address and profile info
Messages
gmail_messages_listSearch/list messages (consider gmail_threads_list instead)
gmail_message_getGet a single message
gmail_message_sendSend an email
gmail_message_forwardForward an email to new recipients
gmail_message_modifyAdd/remove labels
gmail_message_archiveArchive (remove from inbox)
gmail_message_trashMove to trash
gmail_message_untrashRestore from trash
gmail_message_deletePermanently delete
gmail_messages_batch_modifyBulk label changes
gmail_messages_batch_deleteBulk permanent delete
Threads
gmail_threads_listSearch/list threads (recommended)
gmail_thread_getGet all messages in a thread (recommended)
gmail_thread_modifyAdd/remove labels
gmail_thread_trashMove to trash
gmail_thread_untrashRestore from trash
gmail_thread_deletePermanently delete
Drafts
gmail_drafts_listList drafts
gmail_draft_getGet a draft
gmail_draft_createCreate a draft
gmail_draft_updateUpdate a draft
gmail_draft_sendSend a draft
gmail_draft_deleteDelete a draft
Labels
gmail_labels_listList all labels
gmail_label_getGet a label
gmail_label_createCreate a label
gmail_label_updateUpdate a label
gmail_label_deleteDelete a label
Attachments
gmail_attachment_getDownload attachment
Filters
gmail_filters_listList email filters
gmail_filter_getGet a filter
gmail_filter_createCreate a filter
gmail_filter_deleteDelete a filter
Settings
gmail_vacation_getGet vacation auto-reply settings
gmail_vacation_setSet vacation auto-reply settings

Gmail API Scopes

  • gmail.readonly - Read messages and labels
  • gmail.send - Send messages
  • gmail.modify - Modify messages (archive, labels, trash)

Contributing

Pull requests are welcomed on GitHub! To get started:

  1. Install Git and Node.js
  2. Clone the repository
  3. Install dependencies with npm install
  4. Run npm run test to run tests
  5. Build with npm run build

Releases

Versions follow the semantic versioning spec.

To release:

  1. Use npm version <major | minor | patch> to bump the version
  2. Run git push --follow-tags to push with tags
  3. Wait for GitHub Actions to publish to the NPM registry.

Frequently asked questions

What is Gmail?

Allow AI systems to read, send, archive, and manage emails via Gmail.

How do I install Gmail?

It runs on your machine. In Claude Code: claude mcp add gmail -e 'GOOGLE_ACCESS_TOKEN=<your google_access_token>' -- npx -y gmail-mcp@2.4.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Gmail need an API key?

Yes. It expects GOOGLE_ACCESS_TOKEN, MCP_TRANSPORT, GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, which you set in its configuration.

Is Gmail open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Gmail?

It is published by domdomegg. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.