rapidmail MCP by usefulapi MCP Server

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answering

rapidmail MCP by usefulapi is answering right now. Last checked 9 min ago. It exposes 16 tools. Last commit 12 Oct 2026.

Read rapidmail lists, recipients, mailings and stats; add, update or unsubscribe one recipient.

Uptime history 4 hours of history

4 hours agonow

100.0%

Uptime 24h

14 of 14 checks

Tools

read from the server

136 ms

Response time

average over 24h

Stars

last commit 12 Oct 2026

Nothing serious here today

Today is the operative word: we check rapidmail 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 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

~/Library/Application Support/Claude/claude_desktop_config.json

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

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 16

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

rapidmail

rapidmail_create_recipient

WRITE: add ONE recipient (subscriber) to a recipient list. By default double opt-in is used: the recipient is created with status 'new' and rapidmail sends ONE confirmation e-mail to that address; they only receive newsletters after confirming. Set double_opt_in=false only if you hold the person's documented consent: the recipient is then stored as 'active' and no e-mail is sent (refused if the address was unsubscribed before). If a deleted recipient with the same address exists it is re-activated; an existing address returns a conflict error. Never use for bulk imports. POST /recipients.

rapidmail_get_mailing

One mailing by id: status, subject, sender, destinations (recipient lists), send time, size and attachments. GET /mailings/{id}.

rapidmail_get_mailing_recipient_activity

Delivery and engagement details of one recipient of one mailing. GET /mailings/{id}/stats/activity/{mailingrecipient_id}.

rapidmail_get_mailing_stats

Statistics of one sent mailing (opens, clicks, bounces, unsubscriptions and similar totals). GET /mailings/{id}/stats.

rapidmail_get_recipient

One recipient by id: e-mail, name, status, custom fields and timestamps. GET /recipients/{id}.

rapidmail_get_recipientlist

One recipient list by id. GET /recipientlists/{id}.

rapidmail_get_recipientlist_activity_stats

Subscription activity of one recipient list between two dates (for example new subscriptions and unsubscriptions). The range may be at most one year, must not start before the list was created and must not lie in the future. GET /recipientlists/{id}/stats/activity.

rapidmail_list_blacklist

The account's blacklist: e-mail addresses, domains and patterns that never receive mailings, with their type, source and dates. GET /blacklist.

rapidmail_list_mailing_activity

The recipients a mailing went to and what each did (delivered, opened, clicked, bounced). Detailed event information is only available if the respective plugin is enabled in the rapidmail account. GET /mailings/{id}/stats/activity.

rapidmail_list_mailing_folders

The folders used to organise mailings, with id and name. GET /mailings/folders.

rapidmail_list_mailings

List newsletters (mailings) with status, subject, sender, send time, recipient count and recipient lists. Filter by status, recipient list, created / updated / sent date. Read only: mailings are never created, sent or scheduled by this server. GET /mailings.

rapidmail_list_recipientlists

List the recipient lists (newsletter audiences) of the rapidmail account with id, name, description, whether unsubscribed recipients are blacklisted, and which is the default. Use the ids for recipients and mailing filters. GET /recipientlists.

rapidmail_list_recipients

List the recipients (subscribers) of ONE recipient list, optionally filtered by e-mail address, external id or status. recipientlist_id is required. The long text fields (extrabig1-10) are only returned with include_extrabig. GET /recipients.

rapidmail_list_transactional_emails

Transactional (SMTP) e-mails sent through the rapidmail account: sender, recipient, subject, status (queued, delivered, bounced...), delivery diagnostics and open/click counts. Metadata only, no message bodies. Filter by date, status, project or address. GET /trx/emails.

rapidmail_unsubscribe_recipient

WRITE: remove ONE recipient from their list. rapidmail only soft-deletes the record (status 'deleted', as if the person had unsubscribed) and the statistics count it as an unsubscription. No goodbye e-mail is sent. Single recipient only. DELETE /recipients/{id}.

rapidmail_update_recipient

WRITE: partially update ONE recipient (only the fields you pass change): e-mail, name, custom fields. The status and the recipient list cannot be changed here, and no e-mail is sent. An e-mail address that already exists in the list returns a conflict error. PATCH /recipients/{id}.

Endpoints

URL	Transport	State	Latency	Checked
https://rapidmail.usefulapi.io/mcp	streamable-http	answering	91 ms	9 min ago

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rapidmail MCP by usefulapi — questions

Answers built from our own checks of this server.

What can rapidmail MCP by usefulapi do?

It exposes 16 tools, read directly from the server on our last check. Among them: rapidmail_create_recipient, rapidmail_get_mailing, rapidmail_get_mailing_recipient_activity, rapidmail_get_mailing_stats, rapidmail_get_recipient, rapidmail_get_recipientlist and 10 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 rapidmail MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 14 of 14 checks got a reply (100.0%), average response time 136 ms. The bar chart above shows every period we have measured.

How do I connect rapidmail MCP by usefulapi?

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

Does rapidmail MCP by usefulapi need an API key?

No. rapidmail MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 16 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is rapidmail MCP by usefulapi?

It answers our handshake in 136 ms on average, which is faster than 75% 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 rapidmail MCP by usefulapi open source?

Yes — it is published under the MIT licence, written in JavaScript, 0 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.