Vinkius

NeverBounce MCP. Clean and validate your entire contact list in minutes.

NeverBounce connects to your AI client to clean up and verify large lists of emails. Check single addresses for immediate status (valid, disposable, etc.) or run massive bulk jobs from uploaded CSV files or remote URLs. It gives you confidence that the email addresses in your database actually exist and are ready for campaigns.

NeverBounce MCP is compatible with Claude Claude
NeverBounce MCP is compatible with ChatGPT ChatGPT
NeverBounce MCP is compatible with Cursor Cursor
NeverBounce MCP is compatible with Gemini Gemini
NeverBounce MCP is compatible with Windsurf Windsurf
NeverBounce MCP is compatible with VS Code VS Code
NeverBounce MCP is compatible with JetBrains JetBrains
NeverBounce MCP is compatible with Vercel Vercel
See Vinkius in Action

Give Claude and any AI agent real-world access

Verify single emails

The agent checks an individual email address and returns its deliverability status.

Run bulk verification jobs from raw data

You send a list of emails directly to the MCP, which then starts processing them in batches.

Process lists from URLs

The agent reads email addresses from a remote CSV file and initiates a bulk cleaning job.

Monitor job progress

You track the status of any running verification batch, seeing how many emails are processed so far.

Retrieve completed results

Once a bulk job is done, you fetch all the verified results for review or download.

Waiting for input…

AI Agent
NeverBounce

What AI agents can do with NeverBounce: 10 Tools for Data Quality

These tools let you manage every aspect of email data quality, from checking a single address to running huge batch verification projects.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using NeverBounce MCP

Check Email

Verifies the deliverability status of one specific email address.

Create Job From Input

Starts a bulk job using raw text or arrays of emails you provide directly in the...

Create Job From Url

Creates and starts a large verification job by reading email addresses from a remote...

Delete Job

Removes an existing bulk job record to keep your history clean.

Get Account Info

Checks your remaining credit balance and provides general account details for...

Get Job Results

Fetches the final, verified results file for a bulk job once it has finished processing.

Get Job Status

Checks the current progress (e.g., 50% complete) and status of any active batch job.

List Jobs

Lists all historical bulk verification jobs associated with your account ID.

Parse Job

Starts the process of parsing or preparing a specific, existing job for further...

Start Job

Initiates a bulk verification batch job using parameters you define.

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

NeverBounce MCP is compatible with Claude

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The NeverBounce integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on each call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with NeverBounce, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,200+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Connections are secured and governed automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog weekly
NeverBounce MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by NeverBounce. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

VINKIUS CLOUD

Cloud Hosted

Managed infra

V8 Isolated

Sandboxed per request

Zero-Trust Proxy

No stored credentials

DLP Enforced

Policy on each call

GDPR Compliant

EU data residency

Token Compression

~60% cost reduction

Your data is protected. See how we built it.

The struggle of manual list validation

Today, if you acquire a new lead list—say, from an industry report—you have to export it into a separate spreadsheet. You then copy blocks of emails and paste them into external validation sites, running the same tedious cycle over and over. You're constantly switching tabs, waiting for pages to refresh, and hoping none of your precious addresses get missed in the cross-posting process.

With this MCP, you just tell your agent, 'Clean up these 5,000 emails.' It handles the entire job internally. You initiate a bulk verification using `create_job_from_url` or raw data and monitor it all within your chat window. The result is immediate confidence in your list's deliverability.

NeverBounce: Get clean, ready-to-use email lists

You skip the whole process of exporting, pasting into external tools, and managing multiple logins. Your agent takes the source data (whether it's a URL or raw input) and processes it entirely within your AI client.

What you get is actionable intelligence: a clean list ready for immediate use in campaigns, all without leaving your workflow.

What NeverBounce MCP does for your AI

Need to know if those prospect emails are even real? This MCP lets your agent check any email address instantly, giving you its current status—valid, invalid, disposable, or something else. If you've got a huge list of contacts that need cleaning, you don't have to paste them one by one.

Instead, the agent can create and manage bulk jobs from raw data inputs or even remote CSV links. You monitor these large batches as they run and fetch all the results once they finish. This whole process runs right inside your chat interface, making sure your marketing campaigns only hit addresses that actually work.

Connecting this MCP through Vinkius means you get access to robust email validation without leaving your preferred AI client.

Built · Hosted · Managed by Vinkius NeverBounce MCP - Verify Email Addresses in Bulk
Server ID 019d75dc-cc03-72f1-bdf7-5b1fe23bb719
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Frequently asked questions about NeverBounce MCP

How do I check if just one email address is valid using NeverBounce MCP? +

You use the check_email tool. Simply ask your agent to verify the specific email, and it will return its current status (valid, disposable, etc.) right away.

Can I clean a list of emails from a website URL? +

Yes, use create_job_from_url. You just need to provide the remote CSV link, and the MCP handles reading the data and starting the bulk verification job.

What do I do if my large batch job fails or gets stuck? +

Check the status with get_job_status. This will tell you where the job stopped. If it was a temporary issue, you can try to restart it using start_job.

Is there a way to see all my past email verification runs? +

Absolutely. Use the list_jobs tool. It provides an overview of every job you've run, including dates and status, helping with auditing.

How do I get the actual results after a bulk job is done? +

Once the job status shows 'Completed', use get_job_results. This fetches all the verified emails into one consolidated set for you to download or analyze.