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rapidmail MCP by usefulapi

by m190version 1.22.3i★ –iRuns in the cloud
Registry nameio.usefulapi/rapidmail

Install

Overview

Description from the maker (original English)

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

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 3 of 3 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • Can do 16 things (tools) rapidmail_list_recipientlists, rapidmail_get_recipientlist, rapidmail_get_recipientlist_activity_stats, rapidmail_list_recipients …
  • The registry lists no key to fill in.

You need

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://rapidmail.usefulapi.io/mcp

Run this in your terminal

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

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://rapidmail.usefulapi.io/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

  • 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_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_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_get_recipient

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

  • 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

  • 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

  • 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_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_get_mailing

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

  • rapidmail_get_mailing_stats

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

  • 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_get_mailing_recipient_activity

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

  • rapidmail_list_mailing_folders

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

  • 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_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.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 16 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 16 tool descriptions and found no hidden instructions to the AI

Compared with others in Otheri

  • More stars than 0% of the other 32417 servers in this category
  • Published to the registry more recently than 97% of the other 32417 servers in this category
  • Basic checks equal to or better than 100% of the other 32417 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is rapidmail MCP by usefulapi safe?

It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.22.3) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, FOGA node

Alternatives

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A Finch OG Agent cell as an MCP server: read the world, dry-run and take ERC-8414 tenders by policy.

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

rapidmail MCP by usefulapi

Use rapidmail from Claude, Cursor, or any MCP client — recipient lists, recipients, mailings, statistics, the blacklist and transactional mail logs, plus single-recipient writes. Hosted, no local install: connect with your own rapidmail credentials.

Live endpoint: https://rapidmail.usefulapi.io/mcp · Homepage: https://usefulapi.io/rapidmail

Connect

  • Claude (claude.ai, Desktop): open Customize → Connectors, click + Add → Add custom connector, and paste https://rapidmail.usefulapi.io/mcp.
  • Claude Code: claude mcp add --transport http rapidmail https://rapidmail.usefulapi.io/mcp, then run /mcp to log in.
  • VS Code: Add to VS Code.
  • Cursor and other clients: add the URL as a remote MCP server:
{

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

Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your rapidmail credentials.

Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/rapidmail/

Tools

ToolTypeWhat it does
rapidmail_list_recipientlistsreadList recipient lists
rapidmail_get_recipientlistreadGet recipient list
rapidmail_get_recipientlist_activity_statsreadGet recipient list activity stats
rapidmail_list_recipientsreadList recipients
rapidmail_get_recipientreadGet recipient
rapidmail_create_recipientwriteAdd recipient
rapidmail_update_recipientwriteUpdate recipient
rapidmail_unsubscribe_recipientwriteUnsubscribe recipient
rapidmail_list_mailingsreadList mailings
rapidmail_get_mailingreadGet mailing
rapidmail_get_mailing_statsreadGet mailing statistics
rapidmail_list_mailing_activityreadList mailing recipient activity
rapidmail_get_mailing_recipient_activityreadGet one recipient's activity in a mailing
rapidmail_list_mailing_foldersreadList mailing folders
rapidmail_list_blacklistreadList blacklist entries
rapidmail_list_transactional_emailsreadList transactional e-mails
rapidmail_usage_statusmetaUsage status (free-tier meter)
rapidmail_request_featuremetaRequest a missing feature
rapidmail_upgrademetaUpgrade to Pro or Pro+
rapidmail_cancel_subscriptionmetaCancel the Pro subscription

read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Pro (per user)$9/mo or $90/yr (2 months free)Unlimited*

\*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to support@usefulapi.io.

Pro covers this server only. Subscribe with rapidmail_upgrade (it returns a Stripe Checkout link). Cancel any time with rapidmail_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running rapidmail_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

License

MIT © usefulapi. Not affiliated with or endorsed by rapidmail.

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