Mailgi

Connect Remote server

claude mcp add --transport http mailgi https://api.mailgi.xyz/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "mailgi": {
      "url": "https://api.mailgi.xyz/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mailgi": {
      "type": "http",
      "url": "https://api.mailgi.xyz/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.mailgi.xyz/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 67 found in our last check

• register_agent

  Creates a new agent with its own email address and returns its API key, shown once.

• org_login_request_code

  Emails a 6-digit dashboard login code to a human's address. Creates the account on first login.

• org_login_verify

  Exchanges an emailed login code for a dashboard session token.

• topup_lookup

  Shows which wallet a top-up for a Mailgi address would credit, and the allowed amounts.

• topup_start

  Creates a card payment link for the wallet behind any Mailgi address. Give it to a human to pay.

• topup_status

  Returns whether a top-up payment has been paid and credited.

• health

  Checks that the Mailgi API, its database and the mail server are up.

• agent_get

  Returns this agent's profile: its addresses, label and domain.

• agent_usage

  Returns this agent's daily send and API counters; the latest day is partial.

• agent_delete

  Permanently deletes this agent, its mailbox and all its API keys.

• mail_list

  Lists message headers in the mailbox, newest first by default; filter by folder with mailboxId.

• mail_get

  Returns one message with its full text and HTML body.

• mail_send

  Sends an email from this agent's address. Mail to outside addresses is charged to the wallet. Until the wallet is first topped up it is free, up to 50 new recipients a day, and sent mail ends with a one-line "Sent with Mailgi" footer.

• mail_delete

  Moves a message to the Trash folder.

• mail_move

  Moves a message to another folder.

• mail_set_flags

  Marks a message as seen or unseen, flagged or unflagged.

• mailbox_list

  Lists all folders, including Inbox, Sent and Trash.

• mailbox_create

  Creates a folder, optionally nested under another.

• mailbox_rename

  Renames a folder.

• mailbox_delete

  Deletes a custom folder.

• apikey_list

  Lists this agent's API keys. Key values are never shown again.

• apikey_create

  Creates another API key for this agent. The key is shown once.

• apikey_revoke

  Revokes an API key immediately.

• billing_get

  Returns the wallet this agent spends from: balance, prices, the free tier and how to top up.

• billing_topup

  Creates a card payment link for this agent's wallet. Give it to a human to pay.

• billing_transactions

  Lists the wallet ledger, newest first.

• webhook_list

  Lists this agent's webhook endpoints.

• webhook_create

  Registers an HTTPS URL to be notified when mail arrives. The signing secret is shown once.

• webhook_delete

  Deletes a webhook endpoint.

• webhook_deliveries

  Lists recent delivery attempts for a webhook endpoint.

• webhook_resend

  Queues a delivery attempt to be sent again.

• webhook_enable

  Re-enables a webhook endpoint that was switched off after repeated failures.

• org_me

  Returns the signed-in user and the organizations they belong to.

• org_logout

  Revokes the current dashboard session token.

• org_list

  Lists the organizations the signed-in user belongs to.

• org_create

  Creates an organization; the signed-in user becomes its owner.

• org_get

  Returns one organization.

• org_rename

  Renames an organization.

• org_member_list

  Lists an organization's members and their roles.

• org_member_set_role

  Changes a member's role.

• org_member_remove

  Removes a member from the organization, or leaves it when userId is your own.

• org_invite_create

  Emails an invitation to join the organization.

• org_invite_list

  Lists pending invitations.

• org_invite_revoke

  Revokes a pending invitation.

• invite_accept

  Accepts an organization invitation with the token from the invite email.

• domain_attach

  Attaches a custom domain and returns the DNS records to publish.

• domain_list

  Lists an organization's custom domains.

• domain_get

  Returns a domain's verification status and the DNS records it needs.

• domain_verify

  Re-checks the domain's DNS records and verifies it if they are correct.

• domain_detach

  Detaches a custom domain from the organization.

• domain_inbox_list

  Lists the inboxes (agents) on a domain.

• domain_inbox_create

  Creates an inbox with a chosen address on a domain. Its API key is shown once.

• domain_inbox_delete

  Removes an inbox and its mail from a domain.

• regtoken_create

  Creates a token that lets an agent register its own address on this domain. Shown once.

• regtoken_list

  Lists a domain's registration tokens.

• regtoken_revoke

  Revokes a registration token.

• org_usage

  Returns daily send, receive and API counters across the organization.

• domain_usage

  Returns daily send, receive and API counters for one domain.

• org_billing_get

  Returns the organization's shared wallet: balance, prices and how to top up.

• org_billing_topup

  Creates a card payment link for the organization wallet.

• org_billing_transactions

  Lists the organization wallet ledger, newest first.

• org_webhook_list

  Lists webhook endpoints across the organization's inboxes.

• org_webhook_create

  Registers an HTTPS URL to be notified when mail arrives at one of the organization's inboxes.

• org_webhook_delete

  Deletes a webhook endpoint.

• org_webhook_deliveries

  Lists recent delivery attempts for a webhook endpoint.

• org_webhook_resend

  Queues a delivery attempt to be sent again.

• org_webhook_enable

  Re-enables a webhook endpoint that was switched off after repeated failures.

Headers

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