BounceBan MCP by usefulapi MCP Server

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answering

BounceBan MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 6 tools. Last commit 1 Nov 2026.

Check BounceBan credits, verify emails and read asynchronous bulk verification results.

Uptime history 63 hours of history

63 hours agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

193 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

What changed 6

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 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

and 4 more, back to 30 October 2026

Nothing serious here today

Today is the operative word: we check BounceBan 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 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

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

https://bounceban.usefulapi.io/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 6

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

bounceban

bounceban_account

Read verification credit balance and account rate limits without starting verification. Limits and credit balance are shared across the account's API keys.

bounceban_bulk_results

Read up to 100 existing email results and a cursor for the next page. Results are retained for 90 days. No verification is started and no following page is fetched automatically. Omit state to get all processed results while a task is running; filtering by state can omit in-progress results. A pending response means wait and check the existing task later.

bounceban_bulk_status

Read progress and aggregate results of an existing bulk task. Does not start verification. Wait between polls and honor account rate limits. importing/verifying status is still pending; finished means the task has ended.

bounceban_create_bulk_verification

Submit 1–1,000 emails for regular-mode asynchronous verification. Starts a task and can consume verification credits; requires confirm:true. Check the dashboard before resubmitting after a lost/invalid response. greylisting_bypass:auto balances speed and accuracy; speed may yield more risky results; robust waits longer. No callbacks or automatic polling are configured.

bounceban_single_status

Read an existing single verification ID without spending verification credits. Returns success, verifying or queue. Honor try_again_at when provided; poll no more than 10 times for an ID within 5 minutes, then stop. Results remain available for 90 days. This tool never starts another verification.

bounceban_verify_email

Verify one email in regular mode. Costs verification credits on each request, including repeats, and requires confirm:true. Uses the standard API's 15-second result window; returns a final result or a queue/verifying task ID. Read that existing ID with bounceban_single_status later. Never resubmit simply because it is still pending. Basic-only mode can return unknown with score -1 for catch-all/SEG-protected addresses.

Endpoints

URL	Transport	State	Latency	Checked
https://bounceban.usefulapi.io/mcp	streamable-http	answering	234 ms	11 min ago

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BounceBan MCP by usefulapi — questions

Answers built from our own checks of this server.

What can BounceBan MCP by usefulapi do?

It exposes 6 tools, read directly from the server on our last check. Among them: bounceban_account, bounceban_bulk_results, bounceban_bulk_status, bounceban_create_bulk_verification, bounceban_single_status, bounceban_verify_email. 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 BounceBan 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 193 ms. The bar chart above shows every period we have measured.

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

No. BounceBan MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is BounceBan MCP by usefulapi?

It answers our handshake in 193 ms on average, which is faster than 72% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is BounceBan 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 bounceban.usefulapi.io, which runs on its operator's own terms.