EmailOctopus MCP by usefulapi MCP Server

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answering

EmailOctopus MCP by usefulapi is answering right now. Last checked 2 min ago. It exposes 13 tools. Last commit 2 Nov 2026.

Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.

Uptime history 91 days of history · worst day 17%

91 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

159 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 47

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 September 2026. No other catalogue keeps this.

2 Nov a tool changed version

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

28 Oct a tool changed version2 times that day

27 Oct a tool changed version

25 Oct a tool changed version4 times that day

24 Oct a tool changed version3 times that day

23 Oct a tool changed version

22 Oct a tool changed version

and 37 more, back to 30 September 2026

Nothing serious here today

Today is the operative word: we check EmailOctopus 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 2 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://emailoctopus.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 13

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

emailoctopus

emailoctopus_create_contact

CREATES a new contact in a list — this MODIFIES live data (adds a subscriber). `email_address` is required; optionally set `fields` (keyed by field tag), `tags`, and `status`. EmailOctopus: POST /lists/{list_id}/contacts. Returns the created contact.

emailoctopus_create_list

CREATES a new list — this MODIFIES live data. Provide a `name`. EmailOctopus: POST /lists. Returns the created list.

emailoctopus_delete_contact

PERMANENTLY REMOVES a contact from a list — this MODIFIES live data and cannot be undone. `contact_id` is the MD5 hash of the lowercased email address, or the id from list_contacts. EmailOctopus: DELETE /lists/{list_id}/contacts/{contact_id}.

emailoctopus_get_campaign

Get a single campaign by its id. Returns the campaign's full state — name, status, subject, from, content, and created_at. EmailOctopus: GET /campaigns/{campaign_id}.

emailoctopus_get_campaign_links_report

Get a campaign's per-link click report — for each link in the campaign, the URL and its click counts. EmailOctopus: GET /campaigns/{campaign_id}/reports/links.

emailoctopus_get_campaign_report

Get a campaign's aggregate performance report — sent, opened, clicked, bounced, unsubscribed, complained, and related counts. EmailOctopus: GET /campaigns/{campaign_id}/reports/summary.

emailoctopus_get_contact

Get a single contact in a list. Returns email_address, fields, tags, status, and created_at. `contact_id` is the MD5 hash of the lowercased email address, or the `id` returned by emailoctopus_list_contacts. EmailOctopus: GET /lists/{list_id}/contacts/{contact_id}.

emailoctopus_get_list

Get a single list by its id. Returns the list's full state — name, contact counts by status, and created_at. EmailOctopus: GET /lists/{list_id}.

emailoctopus_list_campaigns

List all campaigns in the account. Returns {data:[...],paging:{...}} — each campaign's id, name, status, subject, and created_at. Paginate with `limit` (max 100) and `starting_after`. EmailOctopus: GET /campaigns.

emailoctopus_list_contacts

List the contacts in a list. Returns {data:[...],paging:{...}} — each contact's id, email_address, fields, tags, status, and created_at. Paginate with `limit` (max 100) and `starting_after`. EmailOctopus: GET /lists/{list_id}/contacts.

emailoctopus_list_lists

List all lists in the account. Returns {data:[...],paging:{...}} — each list's id, name, contact counts by status, and created_at. Paginate with `limit` (max 100) and `starting_after` (cursor from the previous page). EmailOctopus: GET /lists.

emailoctopus_update_contact

UPDATES an existing contact in a list — this MODIFIES live data. Send only the fields you want to change (email_address, fields, tags, status). `contact_id` is the MD5 hash of the lowercased email address, or the id from list_contacts. EmailOctopus: PUT /lists/{list_id}/contacts/{contact_id}. Returns the updated contact.

emailoctopus_update_list

UPDATES an existing list by id — this MODIFIES live data. Sets the list's `name`. EmailOctopus: PUT /lists/{list_id}. Returns the updated list.

Endpoints

URL	Transport	State	Latency	Checked
https://emailoctopus.usefulapi.io/mcp	streamable-http	answering	68 ms	2 min ago

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EmailOctopus MCP by usefulapi — questions

Answers built from our own checks of this server.

What can EmailOctopus MCP by usefulapi do?

It exposes 13 tools, read directly from the server on our last check. Among them: emailoctopus_create_contact, emailoctopus_create_list, emailoctopus_delete_contact, emailoctopus_get_campaign, emailoctopus_get_campaign_links_report, emailoctopus_get_campaign_report and 7 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 EmailOctopus MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 159 ms. The bar chart above shows every period we have measured.

How do I connect EmailOctopus 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 EmailOctopus MCP by usefulapi need an API key?

No. EmailOctopus MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 13 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is EmailOctopus MCP by usefulapi?

It answers our handshake in 159 ms on average, which is faster than 81% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is EmailOctopus 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 emailoctopus.usefulapi.io, which runs on its operator's own terms.