Manage Gmail end to end with tools for sending, reading, replying to and organizing emails. Work with threads, labels, drafts, attachments and inbox workflows while keeping communication and email automation in one place.
Claude is Anthropic's AI assistant, available as a desktop app and in Cowork. It supports custom connectors, so it can call MCP servers directly from a chat.
This guide connects Gmail to Claude Desktop through MewCP, so Claude Desktop can use Gmail's 43 tools, like get_profile, create_draft and delete_draft, without your Gmail credentials ever reaching the app.
Gmail signs in through managed OAuth. MewCP stores the token encrypted, refreshes it before it expires and injects it only at call time. Your agent never holds it, so it can never leak it.
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Other clients
Gmail works the same way in every client below. Pick yours for its own guide.
Free to start.
Scope access to the exact Gmail tools and accounts you allow, work and personal side by side. Anything outside that scope is refused at call time, even when the model asks for it.
Each call is logged: what ran, on which account, and whether it worked. Failures come back structured, so the agent knows whether to retry instead of guessing.
Every app sits behind one secure MCP URL, and there is no server for you to deploy or keep running. Add an integration in the dashboard and it is live on the next call, with no config to change and no new credentials to wire up. Tools load only when a task needs them, so your agent stays fast and focused however many apps you connect.
In Claude, open Settings → Connectors, then choose Add custom connector.
Name it "mewcp" and paste the URL.
A browser window opens the first time the client connects. Sign in and approve access. No API key needed.
Start a new chat and ask: "List the tools you can use from MewCP." You should see your connected apps.
Gets the current user's Gmail profile, returning mailbox email address, message/thread totals, and current history ID.
Creates a draft with the DRAFT label. Give it content either with the plain to/subject/body fields (builds the RFC 2822/base64url encoding internally — use this for a normal draft) or with `message` (a raw Gmail Message resource with a hand-built `raw` blob — only needed for attachments, custom headers, or multipart bodies). If `message` is set, the plain fields below are ignored.
DESTRUCTIVE — REQUIRES EXPLICIT USER CONFIRMATION BEFORE CALLING. Immediately and permanently deletes the specified draft (does not simply trash it). This action is irreversible — the draft and its message content cannot be recovered. NEVER call this tool autonomously or as part of an automated flow. You MUST stop, tell the user exactly what will be deleted and that it is permanent, and wait for their explicit written confirmation before proceeding.
Gets the specified draft.
Lists the drafts in the user's mailbox.
Sends the specified, existing draft to the recipients in the To, Cc, and Bcc headers.
NOTE: this tool first fetches the draft's current state, then replaces it — the response includes both the `before` and `after` state so you have a full record of what changed. Replaces a draft's content entirely; since this is a full overwrite, any fields not included in `message` are lost.
Creates a label.
DESTRUCTIVE — REQUIRES EXPLICIT USER CONFIRMATION BEFORE CALLING. Immediately and permanently deletes the specified label and removes it from any messages and threads it's applied to. This action is irreversible — the label and its associations with messages and threads cannot be recovered. NEVER call this tool autonomously or as part of an automated flow. You MUST stop, tell the user exactly what will be deleted and that it is permanent, and wait for their explicit written confirmation before proceeding.
Gets the specified label.
Lists all labels in the user's mailbox.
NOTE: this overwrites the current field values — the original state is not stored after the call. The response includes both the before and after state so you have a full record of what changed. Partially updates the specified label (only the fields provided are changed).
DESTRUCTIVE — REQUIRES EXPLICIT USER CONFIRMATION BEFORE CALLING. Permanently deletes many messages by message ID in one call; provides no guarantee that a message was not already deleted or ever existed. This action is irreversible — deleted messages cannot be recovered. NEVER call this tool autonomously or as part of an automated flow. You MUST stop, tell the user exactly how many messages (and their IDs, if the list is short) will be deleted and that it is permanent, and wait for their explicit written confirmation before proceeding.
DESTRUCTIVE — REQUIRES EXPLICIT USER CONFIRMATION BEFORE CALLING. Adds or removes labels on the specified messages in a single bulk call. This action affects many messages at once and can change their visibility (e.g. removing INBOX or adding TRASH/SPAM) or accessibility. NEVER call this tool autonomously or as part of an automated flow. You MUST stop, tell the user exactly which messages and labels will be affected, and wait for their explicit written confirmation before proceeding.
DESTRUCTIVE — REQUIRES EXPLICIT USER CONFIRMATION BEFORE CALLING. Immediately and permanently deletes the specified message; this cannot be undone (prefer trashing instead). NEVER call this tool autonomously or as part of an automated flow. You MUST stop, tell the user exactly what will be deleted and that it is permanent, and wait for their explicit written confirmation before proceeding.
Gets the specified message attachment.
Gets the specified message.
Lists the messages in the user's mailbox.
Updates the specified message's labels. Only the label additions/removals you provide are applied — everything else about the message keeps its current value. NOTE: this overwrites the current label state — the original state is not stored after the call. The response includes both the before and after state of the message so you have a full record of what changed. Adds or removes labels on the specified message.
Sends the specified message to the recipients in the To, Cc, and Bcc headers. Requires a hand-built, base64url-encoded RFC 2822 `raw` blob — for a plain email or reply, use send_email or reply_to_message instead; reach for this tool only when you need something those can't express (attachments, custom headers, multipart bodies).
Sends a plain email from ordinary fields (to, subject, body) — builds the RFC 2822 message and base64url encoding internally, so you don't need to hand-construct or encode it yourself. For attachments, custom headers, or multipart bodies, use send_message with a hand-built `raw` instead.
Replies to an existing message with plain body text — looks up the original message to set the Subject, recipient, and threading headers (In-Reply-To, References) automatically, and builds the RFC 2822/base64url encoding internally, so you don't need to hand-construct or encode it yourself. For attachments, custom headers, or multipart bodies, use send_message with a hand-built `raw` instead.
Moves the specified message to the trash. This changes the message's labels (typically adding TRASH and removing INBOX) — everything else about the message keeps its current value. NOTE: this overwrites the current label state — the original state is not stored after the call. The response includes both the before and after state of the message so you have a full record of what changed.
Removes the specified message from the trash. This changes the message's labels (typically removing TRASH) — everything else about the message keeps its current value. NOTE: this overwrites the current label state — the original state is not stored after the call. The response includes both the before and after state of the message so you have a full record of what changed.
DESTRUCTIVE — REQUIRES EXPLICIT USER CONFIRMATION BEFORE CALLING. Immediately and permanently deletes the specified thread and all its messages; cannot be undone (prefer trashing instead). NEVER call this tool autonomously or as part of an automated flow. You MUST stop, tell the user exactly what will be deleted and that it is permanent, and wait for their explicit written confirmation before proceeding.
Gets the specified thread.
Lists the threads in the user's mailbox.
NOTE: this changes label state on the thread (all its messages) immediately — the original label state is not stored after the call, so the response includes both the `before` and `after` thread state for a full record of what changed. Adds or removes labels applied to the thread; this affects all messages in the thread.
NOTE: this moves the thread (all its messages) to trash immediately — the original, non-trashed state is not stored after the call, so the response includes both the `before` and `after` thread state for a full record of what changed. Moves the specified thread, and all its messages, to the trash.
NOTE: this removes the thread (all its messages) from trash immediately — the prior, trashed state is not stored after the call, so the response includes both the `before` and `after` thread state for a full record of what changed. Removes the specified thread, and all its messages, from the trash.
Lists the history of all changes to the mailbox in chronological order (increasing historyId), for syncing local client state with the server.
Gets the auto-forwarding setting for the account.
Gets the vacation responder settings.
Updates the vacation responder settings. This first fetches the current settings so the response can report what changed. Only the fields you provide are changed — others keep their current value. NOTE: this overwrites the current field values — the original state is not stored after the call. The response includes both the before and after state (top-level fields are the post-update state, `data.before` holds the pre-update state) so you have a full record of what changed.
Creates a mail filter (an account can have a maximum of 1,000 filters).
DESTRUCTIVE — REQUIRES EXPLICIT USER CONFIRMATION BEFORE CALLING. Immediately and permanently deletes the specified filter. This action is irreversible — the filter's criteria and actions cannot be recovered once deleted. NEVER call this tool autonomously or as part of an automated flow. You MUST stop, tell the user exactly what will be deleted and that it is permanent, and wait for their explicit written confirmation before proceeding.
Gets the specified filter.
Lists the message filters of the Gmail user.
Gets the specified forwarding address.
Lists the forwarding addresses for the specified account.
Gets the specified send-as alias.
Lists the send-as aliases for the account, including the primary address and any custom "from" aliases.
NOTE: this tool first fetches the alias's current state, then applies your changes — the response includes both the `before` and `after` state so you have a full record of what changed. Only the fields you provide are changed — others keep their current value. Partially updates the specified send-as alias.
