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PopNx MCPMCP servers for people who use AI · explained in plain words

MillionVerifier MCP by usefulapi

by m190version 1.10.1i★ 1 (Stars for the whole repo)iRuns in the cloud
Registry nameio.usefulapi/millionverifier

How to install

What it does

Check MillionVerifier credits, verify emails and monitor confirmed bulk verification jobs.

  • Connects Runs in the cloud
  • Account or key No key needed
  • Category Chat & email

Install

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

Passed 4/4 checks · What you ask goes through the maker’s server (millionverifier.usefulapi.io) · ✓ Commands checked Nov 13, 2026

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude · about 2 min

No key, nothing to install · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1 · on Team/Enterprise an Owner adds it

  1. Open Claude’s Connectors page

    CustomizeConnectors

    CustomizeConnectors1Add2https://…3Add4
  2. Click “Add” → “Custom” → “Web” and fill in these 2 fields

    Copy each value into the field with the same name in Claude, then click Continue

    Name · NameMillionVerifier MCP by usefulapi
    Remote MCP server URL · Addresshttps://millionverifier.usefulapi.io/mcp

    Click Continue past the sign-in settings Claude detected · under Authentication choose what the maker says (Sign in now, Sign in when needed or No sign in), then click Add

  3. Turn it on in a chat

    +ConnectorsMillionVerifier MCP by usefulapi

  4. Try it

    Use MillionVerifier MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Claude says it is using MillionVerifier MCP by usefulapi or shows a MillionVerifier MCP by usefulapi tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with ChatGPT, depending on your plan

Full MCP: ChatGPT Business, Enterprise or Edu on the web · Pro: connects with read/fetch permissions, so tools that change data may not work · Plus: not confirmed in OpenAI’s docs; if you see an add-custom-MCP option on the Plugins page you can try these steps · web only

  1. Open ChatGPT’s add-MCP page on the web

    Plugins+Add custom MCP server

    ChatGPTPlugins1+2https://…3Create4
  2. Fill in the name and address

    Enter a name, paste the address under Connection, tick the risk warning and click Create as a plugin

    Name · NameMillionVerifier MCP by usefulapi
    Connection · Addresshttps://millionverifier.usefulapi.io/mcp
  3. Pick MillionVerifier MCP by usefulapi in a chat

    Start a new chat and pick MillionVerifier MCP by usefulapi from your plugins before typing

  4. Try it

    Use MillionVerifier MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If ChatGPT says it is using MillionVerifier MCP by usefulapi or shows a MillionVerifier MCP by usefulapi tool in the answer, you are connected

Menu names checked against OpenAI’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Claude Code · about 2 min

No key, nothing to install

  1. Open Terminal

    Mac: press Command+Space and type Terminal · Windows: open PowerShell

  2. Paste this command and press Enter

    claude mcp add --transport http --scope user millionverifier https://millionverifier.usefulapi.io/mcp
  3. Type /mcp in Claude Code

    You should see MillionVerifier MCP by usefulapi listed as connected

  4. Try it

    Use MillionVerifier MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Claude Code says it is using MillionVerifier MCP by usefulapi or shows a MillionVerifier MCP by usefulapi tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor · about 2 min

No key, nothing to install

  1. Click this button to open Cursor

    Open in Cursor

    Cursor asks you to confirm; click Install

  2. Open the AI chat in Cursor in Agent mode

  3. Try it

    Use MillionVerifier MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using MillionVerifier MCP by usefulapi or shows a MillionVerifier MCP by usefulapi tool in the answer, you are connected

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code · about 2 min

No key, nothing to install

  1. Click this button to open VS Code

    Open in VS Code

    VS Code asks you to confirm; click Install

  2. Open the AI chat in VS Code in Agent mode

  3. Try it

    Use MillionVerifier MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using MillionVerifier MCP by usefulapi or shows a MillionVerifier MCP by usefulapi tool in the answer, you are connected

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

Address for apps that connect over the web

Addresshttps://millionverifier.usefulapi.io/mcp

JSON settings are under “For developers” below

Stuck? Ask people who use MillionVerifier MCP by usefulapi💬 Discussion →
For developers: Terminal commands and JSON settings

Over the web

Claude Code

claude mcp add --transport http --scope user millionverifier https://millionverifier.usefulapi.io/mcp

Cursor (~/.cursor/mcp.json)

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

VS Code (mcp.json)

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

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

At a glance

GitHub starsi
1 (Stars for the whole repo)
This repo holds several MCP listings; its stars count once in rankings
Downloads per weeki
Not on npm/PyPI
Verified domain
✓ usefulapi.io
Connection
Runs in the cloud
Transport
streamable-http
Latest versioni
1.10.1
Published to registryi
Nov 13, 2026
Code last changedi
Nov 13, 2026
Maker
m190
Registry status
Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Connect over the internet in

ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

All apps, with pros and cons →

Related guides

What it can do

Tool names and descriptions exactly as the server reported them on Nov 14, 2026. The maker wrote them, not us; we show them as plain text.

  • millionverifier_credits

    Read remaining MillionVerifier credits without starting verification.

  • millionverifier_verify_email

    Verify one email using MillionVerifier's real-time API. Can spend credits and requires confirm:true. The vendor timeout is 10 seconds; this charged GET is never retried. Unknown/catch-all results do not establish deliverability. If the response is lost, check the dashboard before

  • millionverifier_upload_file

    Create and upload a CSV of 1–1,000 emails for bulk verification. Can start a billable job and spend credits; requires confirm:true. Returns a file ID for millionverifier_file_info. Never retries or automatically polls. A timed-out submission may still create a job; check the dash

  • millionverifier_file_info

    Read an existing bulk file's verification status, progress and aggregate result counts using its file ID. Includes failed/canceled jobs without starting, stopping or re-verifying anything. Does not download individual email results. Wait between polls.

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 14, 2026

  • ✓ Pass

    Maker matches the repo

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

  • ✓ Pass

    Still maintained

    Code last changed yesterday

  • – Not applicable

    Has a licence

    Not applicable: a cloud server run by the owner of usefulapi.io; you don't run code from the repo

  • ✓ Pass

    Endpoint responds

    Responded in 10 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 4 tool descriptions and found no hidden instructions to the AI

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

No posts yet. Be the first to ask or share.

Posts here are written by users, not the PopNx team.

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User reviews

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Compared with others in Chat & emaili

  • More stars than 0% of the other 2033 servers in this category
  • Published to the registry more recently than 96% of the other 2033 servers in this category
  • Basic checks equal to or better than 100% of the other 2033 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 MillionVerifier MCP by usefulapi safe?

It passed 4 of 4 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 yesterday, and the latest version (1.10.1) 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 on the web (full MCP on Business and above; Pro read-only).

What can I use instead?

In the same category: HyperFrames by HeyGen, Inbox Zero, draw.io

Others in the same category

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

HyperFrames by HeyGen

Official HyperFrames by HeyGen: the best AI video editor in chat. Captions, motion graphics, MP4.

by heygen-comWidely used★ 83.9KUpdated today

Runs in the cloud

Inbox Zero

Search Gmail and Outlook, save drafts, manage email rules, and view email stats.

by elie222Widely used★ 13KUpdated 44 days ago

Runs in the cloud

draw.io

Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.

by jgraphWidely used★ 5.8KUpdated 4 days ago

Runs in the cloud✓ service owner · draw.io

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.

MillionVerifier MCP by usefulapi

https://millionverifier.usefulapi.io/mcp

Connect

  • Claude (claude.ai, Desktop): open Customize → Connectors, click + Add → Add custom connector, and paste https://millionverifier.usefulapi.io/mcp.
  • Claude Code: claude mcp add --transport http millionverifier https://millionverifier.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": { "millionverifier": { "url": "https://millionverifier.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 MillionVerifier credentials.

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

Connect your own MillionVerifier credentials through the hosted sign-in page.

Tools

ToolTypeWhat it does
millionverifier_creditsreadCheck MillionVerifier credits
millionverifier_verify_emailwriteVerify an email with MillionVerifier
millionverifier_upload_filewriteStart MillionVerifier bulk verification
millionverifier_file_inforeadRead MillionVerifier bulk file status
millionverifier_usage_statusmetaUsage status (free-tier meter)
millionverifier_request_featuremetaRequest a missing feature
millionverifier_upgrademetaUpgrade to Pro or Pro+
millionverifier_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 millionverifier_upgrade (it returns a Stripe Checkout link). Cancel any time with millionverifier_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running millionverifier_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

License

MIT