Official MCP RegistryListed
Mailgi
Email for AI agents: register a real inbox with no human, then send, receive and read mail.
First seen 1 Nov 2026. Evidence as of 1 Nov 2026.
67
Tools
From an anonymous probe
1
Source listings
Each with its own history
1
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| agent_delete | Permanently deletes this agent, its mailbox and all its API keys. | Destructive |
| agent_get | Returns this agent's profile: its addresses, label and domain. | Read-only |
| agent_usage | Returns this agent's daily send and API counters; the latest day is partial. | Read-only |
| apikey_create | Creates another API key for this agent. The key is shown once. | Changes data |
| apikey_list | Lists this agent's API keys. Key values are never shown again. | Read-only |
| apikey_revoke | Revokes an API key immediately. | Destructive |
| billing_get | Returns the wallet this agent spends from: balance, prices and how to top up. | Read-only |
| billing_topup | Creates a card payment link for this agent's wallet. Give it to a human to pay. | Changes data |
| billing_transactions | Lists the wallet ledger, newest first. | Read-only |
| domain_attach | Attaches a custom domain and returns the DNS records to publish. | Changes data |
| domain_detach | Detaches a custom domain from the organization. | Destructive |
| domain_get | Returns a domain's verification status and the DNS records it needs. | Read-only |
| domain_inbox_create | Creates an inbox with a chosen address on a domain. Its API key is shown once. | Changes data |
| domain_inbox_delete | Removes an inbox and its mail from a domain. | Destructive |
| domain_inbox_list | Lists the inboxes (agents) on a domain. | Read-only |
| domain_list | Lists an organization's custom domains. | Read-only |
| domain_usage | Returns daily send, receive and API counters for one domain. | Read-only |
| domain_verify | Re-checks the domain's DNS records and verifies it if they are correct. | Changes data |
| health | Checks that the Mailgi API, its database and the mail server are up. | Read-only |
| invite_accept | Accepts an organization invitation with the token from the invite email. | Changes data |
| mail_delete | Moves a message to the Trash folder. | Changes data |
| mail_get | Returns one message with its full text and HTML body. | Read-only |
| mail_list | Lists message headers in the mailbox, newest first by default; filter by folder with mailboxId. | Read-only |
| mail_move | Moves a message to another folder. | Changes data |
| mail_send | Sends an email from this agent's address. Mail to outside addresses is charged to the wallet. | Changes data |
| mail_set_flags | Marks a message as seen or unseen, flagged or unflagged. | Changes data |
| mailbox_create | Creates a folder, optionally nested under another. | Changes data |
| mailbox_delete | Deletes a custom folder. | Destructive |
| mailbox_list | Lists all folders, including Inbox, Sent and Trash. | Read-only |
| mailbox_rename | Renames a folder. | Changes data |
| org_billing_get | Returns the organization's shared wallet: balance, prices and how to top up. | Read-only |
| org_billing_topup | Creates a card payment link for the organization wallet. | Changes data |
| org_billing_transactions | Lists the organization wallet ledger, newest first. | Read-only |
| org_create | Creates an organization; the signed-in user becomes its owner. | Changes data |
| org_get | Returns one organization. | Read-only |
| org_invite_create | Emails an invitation to join the organization. | Changes data |
| org_invite_list | Lists pending invitations. | Read-only |
| org_invite_revoke | Revokes a pending invitation. | Destructive |
| org_list | Lists the organizations the signed-in user belongs to. | Read-only |
| org_login_request_code | Emails a 6-digit dashboard login code to a human's address. Creates the account on first login. | Changes data |
| org_login_verify | Exchanges an emailed login code for a dashboard session token. | Changes data |
| org_logout | Revokes the current dashboard session token. | Changes data |
| org_me | Returns the signed-in user and the organizations they belong to. | Read-only |
| org_member_list | Lists an organization's members and their roles. | Read-only |
| org_member_remove | Removes a member from the organization, or leaves it when userId is your own. | Destructive |
| org_member_set_role | Changes a member's role. | Destructive |
| org_rename | Renames an organization. | Changes data |
| org_usage | Returns daily send, receive and API counters across the organization. | Read-only |
| org_webhook_create | Registers an HTTPS URL to be notified when mail arrives at one of the organization's inboxes. | Changes data |
| org_webhook_delete | Deletes a webhook endpoint. | Destructive |
| org_webhook_deliveries | Lists recent delivery attempts for a webhook endpoint. | Read-only |
| org_webhook_enable | Re-enables a webhook endpoint that was switched off after repeated failures. | Changes data |
| org_webhook_list | Lists webhook endpoints across the organization's inboxes. | Read-only |
| org_webhook_resend | Queues a delivery attempt to be sent again. | Changes data |
| register_agent | Creates a new agent with its own email address and returns its API key, shown once. | Changes data |
| regtoken_create | Creates a token that lets an agent register its own address on this domain. Shown once. | Changes data |
| regtoken_list | Lists a domain's registration tokens. | Read-only |
| regtoken_revoke | Revokes a registration token. | Destructive |
| topup_lookup | Shows which wallet a top-up for a Mailgi address would credit, and the allowed amounts. | Read-only |
| topup_start | Creates a card payment link for the wallet behind any Mailgi address. Give it to a human to pay. | Changes data |
| topup_status | Returns whether a top-up payment has been paid and credited. | Read-only |
| webhook_create | Registers an HTTPS URL to be notified when mail arrives. The signing secret is shown once. | Changes data |
| webhook_delete | Deletes a webhook endpoint. | Destructive |
| webhook_deliveries | Lists recent delivery attempts for a webhook endpoint. | Read-only |
| webhook_enable | Re-enables a webhook endpoint that was switched off after repeated failures. | Changes data |
| webhook_list | Lists this agent's webhook endpoints. | Read-only |
| webhook_resend | Queues a delivery attempt to be sent again. | Changes data |
Change history
- Listed (registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | xyz.mailgi/mailgi | 1 Nov 2026 | 1 Nov 2026 | 1 |