Gmail

markswendsen-code/mcp-gmail

Connects Claude to Gmail via OAuth to send, read, search, and list emails programmatically. Exposes four tools: gmail_send for composing messages with CC/BCC support, gmail_search using native Gmail query syntax, gmail_read for fetching full message content by ID, and gmail_list for pulling recent inbox items with optional label filtering. Requires Google Cloud OAuth credentials and a refresh token. Built by Strider Labs for agent workflows like email triage, searching conversation history to answer questions, and drafting replies based on context from past threads. Returns structured JSON responses for all operations.

tools: 20
auth: Secret needed
transport: STDIO
env vars: 3
last updated: Mar 9, 2026

View on GitHub

Tools

20 tools

Public tool metadata for what this MCP can expose to an agent.

GMAIL_ADD_LABEL_TO_EMAILAdds and/or removes specified gmail labels for a message; ensure `message id` and all `label ids` are valid (use 'listlabels' for custom label ids).4 params

Adds and/or removes specified gmail labels for a message; ensure `message id` and all `label ids` are valid (use 'listlabels' for custom label ids).

Parameters* required

add_label_idsarray

Label IDs to add. For custom labels, obtain IDs via 'listLabels'. System labels (e.g., 'INBOX', 'SPAM') can also be used.

message_idstring

Immutable ID of the message to modify (e.g., from 'fetchEmails' or 'fetchMessagesByThreadId').

remove_label_idsarray

Label IDs to remove. For custom labels, obtain IDs via 'listLabels'. System labels can also be used.

user_idstring

User's email address or 'me' for the authenticated user.default: me

GMAIL_CREATE_EMAIL_DRAFTCreates a gmail email draft, supporting to/cc/bcc, subject, plain/html body (ensure `is html=true` for html), attachments, and threading.10 params

Creates a gmail email draft, supporting to/cc/bcc, subject, plain/html body (ensure `is html=true` for html), attachments, and threading.

Parameters* required

attachmentobject

File to attach to the email.

bccarray

'Bcc' (blind carbon copy) recipient email addresses.

bodystring

Email body content (plain text or HTML); `is_html` must be True if HTML.

ccarray

'Cc' (carbon copy) recipient email addresses.

extra_recipientsarray

Additional 'To' recipient email addresses.

is_htmlboolean

Set to True if `body` is HTML, otherwise the action may fail.default: false

recipient_emailstring

Primary recipient's email address.

subjectstring

Email subject line.

thread_idstring

ID of an existing Gmail thread to reply to; omit for new thread.

user_idstring

User's email address or 'me' for the authenticated user.default: me

GMAIL_CREATE_LABELCreates a new label with a unique name in the specified user's gmail account.6 params

Creates a new label with a unique name in the specified user's gmail account.

Parameters* required

background_colorstring

The background color of the label, in hex (e.g., "#FFFFFF").

label_list_visibilitystring

Controls how the label is displayed in the label list in the Gmail sidebar.default: labelShow

label_namestring

The name for the new label. Must be unique within the account, non-blank, maximum length 225 characters, cannot contain ',' or '/', not only whitespace, and must not be a reserved system label (e.g...

message_list_visibilitystring

Controls how messages with this label are displayed in the message list.default: show

text_colorstring

The text color of the label, in hex (e.g., "#000000").

user_idstring

The email address of the user in whose account the label will be created.default: me

GMAIL_DELETE_DRAFTPermanently deletes a specific gmail draft using its id; ensure the draft exists and the user has necessary permissions for the given `user id`.2 params

Permanently deletes a specific gmail draft using its id; ensure the draft exists and the user has necessary permissions for the given `user id`.

Parameters* required

draft_idstring

Immutable ID of the draft to delete, typically obtained when the draft was created.

user_idstring

User's email address or 'me' for the authenticated user; 'me' is recommended.default: me

GMAIL_DELETE_MESSAGEPermanently deletes a specific email message by its id from a gmail mailbox; for `user id`, use 'me' for the authenticated user or an email address to which the authenticated user has delegated access.2 params

Permanently deletes a specific email message by its id from a gmail mailbox; for `user id`, use 'me' for the authenticated user or an email address to which the authenticated user has delegated access.

Parameters* required

message_idstring

Identifier of the email message to delete.

user_idstring

User's email address. The special value 'me' refers to the authenticated user.default: me

GMAIL_FETCH_EMAILSFetches a list of email messages from a gmail account, supporting filtering, pagination, and optional full content retrieval.9 params

Fetches a list of email messages from a gmail account, supporting filtering, pagination, and optional full content retrieval.

Parameters* required

ids_onlyboolean

If true, only returns message IDs from the list API without fetching individual message details. Fastest option for getting just message IDs and thread IDs.default: false

include_payloadboolean

Set to true to include full message payload (headers, body, attachments); false for metadata only.default: true

include_spam_trashboolean

Set to true to include messages from 'SPAM' and 'TRASH'.default: false

label_idsarray

Filter by label IDs; only messages with all specified labels are returned. Common IDs: 'INBOX', 'SPAM', 'TRASH', 'UNREAD', 'STARRED', 'IMPORTANT', 'CATEGORY_PRIMARY' (alias 'CATEGORY_PERSONAL'), 'C...

max_resultsinteger

Maximum number of messages to retrieve per page.default: 1

page_tokenstring

Token for retrieving a specific page, obtained from a previous response's `nextPageToken`. Omit for the first page.

querystring

Gmail advanced search query (e.g., 'from:user subject:meeting'). Supports operators like 'from:', 'to:', 'subject:', 'label:', 'has:attachment', 'is:unread', 'after:YYYY/MM/DD', 'before:YYYY/MM/DD'...

user_idstring

User's email address or 'me' for the authenticated user.default: me

verboseboolean

If false, uses optimized concurrent metadata fetching for faster performance (~75% improvement). If true, uses standard detailed message fetching. When false, only essential fields (subject, sender...default: true

GMAIL_FETCH_MESSAGE_BY_MESSAGE_IDFetches a specific email message by its id, provided the `message id` exists and is accessible to the authenticated `user id`.3 params

Fetches a specific email message by its id, provided the `message id` exists and is accessible to the authenticated `user id`.

Parameters* required

formatstring

Format for message content: 'minimal' (ID/labels), 'full' (complete data), 'raw' (base64url string), 'metadata' (ID/labels/headers).default: full

message_idstring

Unique ID of the email message to retrieve, obtainable from actions like 'List Messages'.

user_idstring

User's email address or 'me' for the authenticated user.default: me

GMAIL_FETCH_MESSAGE_BY_THREAD_IDRetrieves messages from a gmail thread using its `thread id`, where the thread must be accessible by the specified `user id`.3 params

Retrieves messages from a gmail thread using its `thread id`, where the thread must be accessible by the specified `user id`.

Parameters* required

page_tokenstring

Opaque page token for fetching a specific page of messages if results are paginated.default:

thread_idstring

Unique ID of the thread, obtainable from actions like 'listThreads' or 'fetchEmails'.

user_idstring

The email address of the user.default: me

GMAIL_GET_ATTACHMENTRetrieves a specific attachment by id from a message in a user's gmail mailbox, requiring valid message and attachment ids.4 params

Retrieves a specific attachment by id from a message in a user's gmail mailbox, requiring valid message and attachment ids.

Parameters* required

attachment_idstring

ID of the attachment to retrieve.

file_namestring

Desired filename for the downloaded attachment.

message_idstring

Immutable ID of the message containing the attachment.

user_idstring

User's email address ('me' for authenticated user).default: me

GMAIL_GET_CONTACTSFetches contacts (connections) for the authenticated google account, allowing selection of specific data fields and pagination.4 params

Fetches contacts (connections) for the authenticated google account, allowing selection of specific data fields and pagination.

Parameters* required

include_other_contactsboolean

Include 'Other Contacts' (interacted with but not explicitly saved) in addition to regular contacts; if true, fetches from both endpoints and merges results.default: true

page_tokenstring

Token to retrieve a specific page of results, obtained from 'nextPageToken' in a previous response.

person_fieldsstring

Comma-separated person fields to retrieve for each contact (e.g., 'names,emailAddresses').default: emailAddresses,names,birthdays,genders

resource_namestring

Identifier for the person resource whose connections are listed; use 'people/me' for the authenticated user.default: people/me

GMAIL_GET_PEOPLERetrieves either a specific person's details (using `resource name`) or lists 'other contacts' (if `other contacts` is true), with `person fields` specifying the data to return.6 params

Retrieves either a specific person's details (using `resource name`) or lists 'other contacts' (if `other contacts` is true), with `person fields` specifying the data to return.

Parameters* required

other_contactsboolean

If true, retrieves 'Other Contacts' (people interacted with but not explicitly saved), ignoring `resource_name` and enabling pagination/sync. If false, retrieves information for the single person s...default: false

page_sizeinteger

The number of 'Other Contacts' to return per page. Applicable only when `other_contacts` is true.default: 10

page_tokenstring

An opaque token from a previous response to retrieve the next page of 'Other Contacts' results. Applicable only when `other_contacts` is true and paginating.default:

person_fieldsstring

A comma-separated field mask to restrict which fields on the person (or persons) are returned. Consult the Google People API documentation for a comprehensive list of valid fields.default: emailAddresses,names,birthdays,genders

resource_namestring

Resource name identifying the person for whom to retrieve information (like the authenticated user or a specific contact). Used only when `other_contacts` is false.default: people/me

sync_tokenstring

A token from a previous 'Other Contacts' list call to retrieve only changes since the last sync; leave empty for an initial full sync. Applicable only when `other_contacts` is true.default:

GMAIL_GET_PROFILERetrieves key gmail profile information (email address, message/thread totals, history id) for a user.1 params

Retrieves key gmail profile information (email address, message/thread totals, history id) for a user.

Parameters* required

user_idstring

The email address of the Gmail user whose profile is to be retrieved, or the special value 'me' to indicate the currently authenticated user.default: me

GMAIL_LIST_DRAFTSRetrieves a paginated list of email drafts from a user's gmail account. use verbose=true to get full draft details including subject, body, sender, and timestamp.4 params

Retrieves a paginated list of email drafts from a user's gmail account. use verbose=true to get full draft details including subject, body, sender, and timestamp.

Parameters* required

max_resultsinteger

Maximum number of drafts to return per page.default: 1

page_tokenstring

Token from a previous response to retrieve a specific page of drafts.default:

user_idstring

User's mailbox ID; use 'me' for the authenticated user.default: me

verboseboolean

If true, fetches full draft details including subject, sender, recipient, body, and timestamp. If false, returns only draft IDs (faster).default: false

GMAIL_LIST_LABELSRetrieves a list of all system and user-created labels for the specified gmail account.1 params

Retrieves a list of all system and user-created labels for the specified gmail account.

Parameters* required

user_idstring

Identifies the Gmail account (owner's email or 'me' for authenticated user) for which labels will be listed.default: me

GMAIL_LIST_THREADSRetrieves a list of email threads from a gmail account, identified by `user id` (email address or 'me'), supporting filtering and pagination.5 params

Retrieves a list of email threads from a gmail account, identified by `user id` (email address or 'me'), supporting filtering and pagination.

Parameters* required

max_resultsinteger

Maximum number of threads to return.default: 10

page_tokenstring

Token from a previous response to retrieve a specific page of results; omit for the first page.default:

querystring

Filter for threads, using Gmail search query syntax (e.g., 'from:user@example.com is:unread').default:

user_idstring

The user's email address or 'me' to specify the authenticated Gmail account.default: me

verboseboolean

If false, returns threads with basic fields (id, snippet, historyId). If true, returns threads with complete message details including headers, body, attachments, and metadata for each message in t...default: false

GMAIL_MODIFY_THREAD_LABELSAdds or removes specified existing label ids from a gmail thread, affecting all its messages; ensure the thread id is valid.4 params

Adds or removes specified existing label ids from a gmail thread, affecting all its messages; ensure the thread id is valid.

Parameters* required

add_label_idsarray

List of label IDs to add to the thread; these labels must exist.

remove_label_idsarray

List of label IDs to remove from the thread; these labels must exist.

thread_idstring

Immutable ID of the thread to modify.

user_idstring

User's email address or 'me' for the authenticated user.default: me

GMAIL_MOVE_TO_TRASHMoves an existing, non-deleted email message to the trash for the specified user.2 params

Moves an existing, non-deleted email message to the trash for the specified user.

Parameters* required

message_idstring

Identifier of the email message to move to trash.

user_idstring

User's email address or 'me' for the authenticated user.default: me

GMAIL_PATCH_LABELPatches the specified label.6 params

Patches the specified label.

Parameters* required

colorobject

The color to assign to the label. Color is only available for labels that have their `type` set to `user`.

idstring

The ID of the label to update.

labelListVisibilitystring

The visibility of the label in the label list in the Gmail web interface.

messageListVisibilitystring

The visibility of messages with this label in the message list in the Gmail web interface.

namestring

The display name of the label.

userIdstring

The user's email address. The special value `me` can be used to indicate the authenticated user.

GMAIL_REMOVE_LABELPermanently deletes a specific, existing user-created gmail label by its id for a user; cannot delete system labels.2 params

Permanently deletes a specific, existing user-created gmail label by its id for a user; cannot delete system labels.

Parameters* required

label_idstring

ID of the user-created label to be permanently deleted; must exist and not be a system label.

user_idstring

User's email address or 'me' for the authenticated user.default: me

GMAIL_REPLY_TO_THREADSends a reply within a specific gmail thread using the original thread's subject, requiring a valid `thread id` and correctly formatted email addresses. supports attachments via the `attachment` parameter with valid `s3key`, `mimetype`, and `name`.9 params

Sends a reply within a specific gmail thread using the original thread's subject, requiring a valid `thread id` and correctly formatted email addresses. supports attachments via the `attachment` parameter with valid `s3key`, `mimetype`, and `name`.

Parameters* required

attachmentobject

File to attach to the reply. Just Provide file path here

bccarray

BCC recipients' email addresses (hidden from other recipients).

ccarray

CC recipients' email addresses.

extra_recipientsarray

Additional 'To' recipients' email addresses.

is_htmlboolean

Indicates if `message_body` is HTML; if True, body must be valid HTML, if False, body should not contain HTML tags.default: false

message_bodystring

Content of the reply message, either plain text or HTML.

recipient_emailstring

Primary recipient's email address.

thread_idstring

Identifier of the Gmail thread for the reply.

user_idstring

Identifier for the user sending the reply; 'me' refers to the authenticated user.default: me

Configuration

GOOGLE_CLIENT_ID*

Google OAuth 2.0 Client ID from Google Cloud Console

GOOGLE_CLIENT_SECRET*secret

Google OAuth 2.0 Client Secret

GOOGLE_REFRESH_TOKEN*secret

Google OAuth 2.0 Refresh Token for the user's Gmail account

Readme

@striderlabs/mcp-gmail

MCP server that gives AI agents the ability to send, read, and search email via Gmail.

For Agents

Agents use this connector to handle email autonomously on behalf of their human — reading important messages, searching for information, composing thoughtful replies, and sending communications.

Example agent workflows:

Triage emails: Agent reads new messages, summarizes important ones, and flags urgent items for user attention
Answer routine questions: Agent searches email history to find information, composes replies with context from past conversations
Send on behalf: Agent drafts and sends professional emails based on user intent ("Let the team know I'll be late"), then logs a copy to the conversation

Usage example:

User: "Has anyone replied to my email about the Q2 budget proposal?"

Agent:

gmail_search → "to:me subject:budget"
gmail_read → Read each message
Return summary: "Sarah replied yes on Monday. Mark asked for revisions. No word from Finance yet."

Then agent might automatically draft a follow-up to Finance and ask for approval before sending.

Installation

View the full README on GitHub

Details

Repository: github.com/markswendsen-code/mcp-gmail
Categories: Communication & Messaging, Search & Web Crawling
Package: @striderlabs/mcp-gmail
Transport: STDIO
Auth: Required
Registry: MCP registry, active

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Gmail

Tools

Configuration

Readme

@striderlabs/mcp-gmail

For Agents

Installation

Details

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