Smartlead MCP server

What the model can do

Smartlead cold email: campaigns with status and schedule, each campaign's sent, open, click and reply figures, the leads in a campaign (search by name or email, filter by status) with sequence step, last email and latest reply, and the sending mailboxes with warmup health. Can add a note or a task to a lead, create a campaign, start, pause, stop or archive one, add leads to it, reply to a lead in their thread, update, categorise, pause, resume, complete, unsubscribe or remove a lead, when you ask.

Reads

• smartlead_list_campaignsSmartlead campaigns, newest first: id, name, status (ACTIVE, PAUSED, STOPPED, ARCHIVED, DRAFTED), created and updated, daily lead limit…
• smartlead_campaign_analyticsOne Smartlead campaign's totals: emails sent, opened, clicked, replied, and open, click, reply, bounce and unsubscribe rates.
• smartlead_search_leadsThe leads in one Smartlead campaign, oldest enrolment first: lead map id (what notes, tasks and mark-complete take), lead id…
• smartlead_list_email_accountsThe mailboxes Smartlead sends from: name and address, type (Gmail, Outlook, SMTP), how many campaigns use each, daily limit and sent today…
• smartlead_lead_categoriesSmartlead's lead categories (global and your own): id, name and sentiment.
• smartlead_lead_messagesThe email thread with one lead in a Smartlead campaign (by campaign id and lead_id from smartlead_search_leads): each message's email_stats_id…

Acts, when you ask

These change something in Smartlead. The model is told to use them only when you ask for exactly that, and each one is granted by name: per team on a shared connection, by the owner on a personal one.

• smartlead_add_noteAdds a note to a lead in a Smartlead campaign (by lead_map_id from smartlead_search_leads).
• smartlead_create_taskCreates a follow-up task on a lead in a Smartlead campaign (by lead_map_id from smartlead_search_leads), with an optional description…
• smartlead_create_campaignCreates an empty Smartlead campaign in DRAFTED status with the given name.
• smartlead_update_campaign_statusChanges a Smartlead campaign's status.
• smartlead_add_leadsAdds up to 100 leads (email, optional name, company, website, custom fields) to a Smartlead campaign.
• smartlead_reply_to_leadSends an email reply to a lead in their Smartlead campaign thread, from the campaign mailbox, now or at scheduled_time.
• smartlead_update_leadChanges a lead's details in a Smartlead campaign (by lead_id from smartlead_search_leads): name, company, website, custom fields.
• smartlead_set_lead_categorySets a lead's category in a Smartlead campaign (Interested, Not Interested, Meeting Booked…; ids from smartlead_lead_categories)…
• smartlead_pause_leadPauses one lead in a Smartlead campaign (by lead_id) so no more sequence emails go to them until resumed.
• smartlead_resume_leadResumes a paused lead in a Smartlead campaign (by lead_id), now or after delay_days.
• smartlead_mark_lead_completeMarks a lead complete in a Smartlead campaign (by lead_map_id from smartlead_search_leads) so no further steps are sent, without unsubscribing them.
• smartlead_unsubscribe_leadPermanently unsubscribes a lead (by lead_id) from Smartlead email: they are marked unsubscribed and left out of future campaigns.
• smartlead_remove_leadRemoves a lead (by lead_id) from one Smartlead campaign, permanently; the lead stays in the account and re-adding restarts their sequence.

Connect it

First connect Smartlead on Dashboard → Connections, then add Memtro to your client once. The Smartlead tools appear alongside the tools of everything else you have connected; nothing is configured per connector.

claude plugin marketplace add memtro-org/claude-memtro
claude plugin install memtro@memtro --config api_key=sk-memtro-...

{
  "mcpServers": {
    "memtro": {
      "url": "https://platform.memtro.com/api/mcp",
      "headers": {
        "Authorization": "Bearer sk-memtro-..."
      }
    }
  }
}

{
  "mcp": {
    "memtro": {
      "type": "remote",
      "url": "https://platform.memtro.com/api/mcp",
      "headers": {
        "Authorization": "Bearer sk-memtro-..."
      }
    }
  }
}

Who may use it

The key identifies the person, and the server offers that person the tools they may use everywhere else in Memtro. A shared Smartlead connection is used by the teams an administrator granted it to, tool by tool, on the Permissions page; a personal connection is used by its owner alone, and its tools that act stay off until the owner allows them. See Teams and permissions and Connectors.

Ask it like this

• › Which leads replied to the Q4 Northwind campaign?
• › What is the reply rate on our active campaigns?
• › Which mailboxes have poor warmup reputation?
• › Which leads in the BigCo campaign bounced?
• › Reply to Priya Sharma that Thursday at 2pm works for a call

Questions

Is this an official Smartlead MCP server?

No. It is Memtro's MCP server with Memtro's Smartlead connector behind it: the connector reads Smartlead through its API with the credentials you connect on Dashboard → Connections, and Smartlead publishes nothing here. The same endpoint carries every other system you connect and Memtro's memory tools.

What does it cost?

Nothing on top of Memtro. One price per organisation by its number of users, from $50 a month for up to 10 users after a 7-day free trial, with every connector, the MCP server, jobs and memory included. You bring your own model keys.

Can it change anything in Smartlead?

Only when you ask, and only what it has been granted: add a note to a campaign lead; create a task on a campaign lead; create a draft campaign; start, pause, stop or archive a campaign; add leads to a campaign; reply to a lead in their email thread; update a lead's details in a campaign; set or clear a lead's category; pause a lead in a campaign; resume a paused lead; mark a lead complete in a campaign; unsubscribe a lead; remove a lead from a campaign. Every other tool reads, searches or lists. An administrator grants each acting tool by name per team, and a personal connection acts only after its owner allows it.

Which clients work?

Any MCP client that speaks Streamable HTTP: Claude Code, Cursor, Claude Desktop, OpenCode, Codex, Zed, Windsurf, Cline and the Anthropic and OpenAI SDKs. There is no local process to run; the server is remote and authenticated with your key.

Other MCP servers · Marketing automation

• ActiveCampaign MCP server
• Brevo MCP server
• Customer.io MCP server
• Marketo Engage MCP server
• Account Engagement (Pardot) MCP server
• Mailchimp MCP server