Emma MCP by usefulapi MCP Server

by usefulapi Your server? Claim it

answering

Emma MCP by usefulapi is answering right now. Last checked 14 min ago. It exposes 19 tools. Last commit 1 Nov 2026.

Read audiences, groups, mailings and campaign results without sending email or changing contacts.

Uptime history 4 days of history

4 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

197 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

What changed 8

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 29 October 2026. No other catalogue keeps this.

31 Oct a tool changed version4 times that day

30 Oct a tool changed version2 times that day

29 Oct a tool changed version2 times that day

and 5 more, back to 29 October 2026

Nothing serious here today

Today is the operative word: we check Emma MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add emma --transport http https://emma.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://emma.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.emma]
url = "https://emma.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "emma": {
      "url": "https://emma.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "emma": {
      "type": "http",
      "url": "https://emma.usefulapi.io/mcp"
    }
  }
}

Available tools 19

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

emma

emma_find_member_by_email

Find one member by email address, with all custom fields and status. A 404 means the address is not in the audience.

emma_get_group

Get one member group with its member counts (active, opted-out, error).

emma_get_import

Status and results of one bulk member import (by import id), or, without an id, the list of all imports of the account.

emma_get_mailing

Get one mailing in full: content (HTML and plain text), recipients (groups, searches, segments), links, schedule, status.

emma_get_mailing_response

Response summary of one mailing: recipients, sent, delivered, bounced, opened, clicked (unique and total), forwarded, opt-outs, sign-ups.

emma_get_member

Get one member by id, with all custom fields, status, SMS status and bounce count.

emma_get_member_groups

List the groups one member belongs to.

emma_get_member_mailings

The mailing history of one member: which mailings they were sent and what they did with them.

emma_get_response_summary

Month-by-month response statistics for the whole account: mailings, sent, delivered, bounced, opened, clicked, forwarded, opt-outs, sign-ups (test mailings excluded).

emma_get_search_members

The members that currently match a saved search. Paged: use next_start.

emma_list_fields

List the custom member fields of the account (shortcut names, display names, types).

emma_list_group_members

List the members of one group (email, status, custom fields). Paged: use next_start for more.

emma_list_groups

List the member groups (audience lists) of the Emma account with their active, opted-out and error member counts. Defaults to normal groups; group_types can add test and hidden groups.

emma_list_mailing_activity

Who did what with one mailing: members it was sent to (sends), still in the queue (in_progress), delivered or bounced (deliveries), opened (opens), clicked (clicks), forwarded, opted out (optouts) or signed up (signups). Each row has the member's email and timestamp. Paged: use next_start.

emma_list_mailing_links

The links of one mailing with their unique and total clicks.

emma_list_mailing_members

List the individual members a mailing was sent to (not groups or searches). Paged: use next_start.

emma_list_mailings

List mailings (campaigns): id, name, subject, sender, status (p pending, a paused, i injecting, s sending, x canceled, c complete, w waiting, u unapproved, f failed), type, recipient count, scheduled time. Defaults to standard and test mailings in all statuses, newest first. Paged: use next_start.

emma_list_members

List the members (contacts) of the whole audience: id, email, status (a active, o opted out, e error), custom fields, bounce count. Paged: use next_start for more. With count_only the reply is just the number of members.

emma_list_searches

List the saved searches (dynamic segments) of the account, with their criteria.

Endpoints

URL	Transport	State	Latency	Checked
https://emma.usefulapi.io/mcp	streamable-http	answering	180 ms	14 min ago

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Emma MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Emma MCP by usefulapi do?

It exposes 19 tools, read directly from the server on our last check. Among them: emma_find_member_by_email, emma_get_group, emma_get_import, emma_get_mailing, emma_get_mailing_response, emma_get_member and 13 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Emma MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 197 ms. The bar chart above shows every period we have measured.

How do I connect Emma MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Emma MCP by usefulapi need an API key?

No. Emma MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 19 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Emma MCP by usefulapi?

It answers our handshake in 197 ms on average, which is faster than 71% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Emma MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at emma.usefulapi.io, which runs on its operator's own terms.