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Sarbacane MCP by usefulapi

MCP server · hosted · v1.1.0 · io.usefulapi/sarbacane
Online · tested 1h agoNEW · 2h agoNew version 1h agoSeen in the registry just now

Read Sarbacane campaigns, stats, lists and blacklists; manage contacts and draft email campaigns.

What it does

Sarbacane MCP by usefulapi is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

From the publisher's description, Electra Index matched it to one capability: email automation. That makes it a candidate for tasks such as run email marketing campaigns or draft emails.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version1.1.0
PriceNot in the registry
First seen25 Oct 2026
Last checkedjust now

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 1h ago (live check)

Hosted endpoint

  • https://sarbacane.usefulapi.io/mcp streamable-http

In Claude Code: claude mcp add --transport http sarbacane-mcp-by-usefulapi https://sarbacane.usefulapi.io/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "sarbacane-mcp-by-usefulapi": {
      "url": "https://sarbacane.usefulapi.io/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 1h ago

ONLINE Sarbacane MCP by usefulapi answered an MCP connection on 25 Oct 2026 and introduced itself as sarbacane-mcp 1.1.0 (MCP protocol 2025-06-18).

19 tools offered to AI assistants

  • sarbacane_get_credits · The account's remaining credits per type (email campaigns, SMS, eye tracking, Sendkit emails) with expiry date and subscription type. GET /v1/credits.
  • sarbacane_list_users · Users and pending invitations of the Sarbacane account (name, email, role, team). GET /v1/users.
  • sarbacane_list_lists · All contact lists of the account, with their ids. Use the ids for contacts, fields and campaigns. GET /v1/lists.
  • sarbacane_list_list_fields · The custom fields (columns) of a contact list: id, caption and type (STRING, BOOL, INT, DATE). Field ids are the keys used when writing contacts. GET /v1/lists/{listId}/fields.
  • sarbacane_list_contacts · Contacts of one list (personal data: email, phone, custom fields). Filter by email, phone, a text search across fields, or the modification date. GET /v1/lists/{listId}/contacts.
  • sarbacane_create_contact · WRITE: add a contact to a contact list. Give an email, a phone number or both, and optional custom field values. Adds a new record; use sarbacane_upsert_contact to update an existing contact. POST /v1/lists/{listId}/contacts.
  • sarbacane_upsert_contact · WRITE: add a contact to a list, or update it when the same email/phone pair already exists (custom field values are overwritten). POST /v1/lists/{listId}/contacts/upsert.
  • sarbacane_list_blacklists · All blacklists (suppression lists) of the account, with their ids. GET /v1/blacklists.
  • sarbacane_list_blacklist_entries · Entries of a blacklist by kind: bounces (invalid addresses), unsubscribers or complaints (personal data: email, phone). Filter by email, phone or modification date. GET /v1/blacklists/{blacklistId}/{bounces|unsubscribers|complaints}.
  • sarbacane_add_unsubscriber · WRITE: record an email and/or phone as unsubscribed in a blacklist, so campaigns using that blacklist skip it. Cannot be undone with these tools. POST /v1/blacklists/{blacklistId}/unsubscribers.
  • sarbacane_list_campaigns · Campaigns of the account (id, name, kind, created/edited, recipient count). Filter by state or a text in the name or subject. GET /v1/campaigns.
  • sarbacane_get_campaign · One campaign: state, kind, blacklists, send ids, sent date. The send id is needed to see content. GET /v1/campaigns/{campaignId}.
Show 7 more
  • sarbacane_get_campaign_report · Statistics of a campaign per send: delivered count, opens, openers, clicks, clickers, unsubscribers, devices and operating systems. GET /v1/reports/{campaignId}.
  • sarbacane_list_campaign_recipients · Recipients attached to a campaign (personal data: email, phone). GET /v1/campaigns/{campaignId}/recipients.
  • sarbacane_list_webhooks · Webhook subscriptions of the account: url, display name and subscribed event kinds. GET /v1/webhooks.
  • sarbacane_create_email_campaign · WRITE: create a new email campaign as a DRAFT. It is never sent by these tools: add content (sarbacane_set_campaign_content or sarbacane_import_campaign_template) and a contact list (sarbacane_set_campaign_list), then send it from Sarbacane
  • sarbacane_set_campaign_content · WRITE: set the HTML (and optional plain-text) content of an email campaign's send, replacing what was there. Without send_id the campaign's only send is used (an A/B test campaign has several: pass one). POST /v1/campaigns/{campaignId}/send
  • sarbacane_import_campaign_template · WRITE: load a saved template's content into an email campaign, replacing its content. POST /v1/campaigns/{campaignId}/content.
  • sarbacane_set_campaign_list · WRITE: import a contact list's contacts as the recipients of a campaign. It does not send the campaign. POST /v1/campaigns/{campaignId}/list.

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Tasks it helps with

Share of each task's required capabilities it covers
Run email marketing campaigns
Email Automation
50%
Draft emails
Email Automation
50%
Manage my inbox
Email Automation
50%
Book sales meetings
Email Automation
50%
Follow up on quotes
Email Automation
50%
Run satisfaction surveys
Email Automation
50%
Send and chase invoices
Email Automation
50%
Send personalized outreach
Email Automation
33%

Similar tools

Listed for the same task: run email marketing campaigns
  • Read Trumpia lists, subscribers, keywords and reports; add contacts and send SMS or email campaigns
  • Send email and read templates, marketing contacts, lists, stats, bounces and unsubscribes
  • MCP server for Nylas — read email, calendars, events and contacts, and send email or create events
  • Read audiences, members, campaigns and reports; add, update, tag and archive subscribers
  • Manage Encharge people, tags, segments and fields, and track events for email automation
  • mailmcpREMOTELOCAL
    Your mailboxes in ChatGPT and Claude: Gmail, iCloud, Fastmail, any IMAP. Passwords stay yours

Ready-made AI agents

An MCP server is a connector you add to your own assistant. These are finished products that do the same job for you:

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Version1.1.0DECLAREDSRC-001 Official MCP Registryjust now
Hosted endpointhttps://sarbacane.usefulapi.io/mcpDECLAREDSRC-001 Official MCP Registryjust now
Local install (package)noDECLAREDSRC-001 Official MCP Registryjust now
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registryjust now
Websitehttps://usefulapi.io/sarbacane/DECLAREDSRC-001 Official MCP Registryjust now
Repositoryhttps://github.com/m190/usefulapi-mcpDECLAREDSRC-001 Official MCP Registryjust now
Registry statusactiveDECLAREDSRC-001 Official MCP Registryjust now
MCP serveryesDECLAREDSRC-001 Official MCP Registryjust now

Change history

  • VERSION25 Oct 2026
    1.0.0 → 1.1.0
  • NEW25 Oct 2026
    first seen in the index

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Questions about Sarbacane MCP by usefulapi

How do I connect Sarbacane MCP by usefulapi?

Use the hosted endpoint https://sarbacane.usefulapi.io/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does Sarbacane MCP by usefulapi offer?

When Electra Index connected on 25 Oct 2026, it listed 19 tools: sarbacane_get_credits, sarbacane_list_users, sarbacane_list_lists, sarbacane_list_list_fields, sarbacane_list_contacts, sarbacane_create_contact, sarbacane_upsert_contact, sarbacane_list_blacklists and more. The full list is in "Live check" above.

Is Sarbacane MCP by usefulapi online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 1h ago.

What can I use Sarbacane MCP by usefulapi for?

Based on its description, it is most relevant to: run email marketing campaigns, draft emails, manage my inbox, book sales meetings.