How do I use NeverBounce with Claude?

You connect the NeverBounce MCP through Vinkius. Once connected, you can simply type commands into Claude to verify emails or manage jobs.

Can I verify emails from a URL?

Yes. You can tell your agent to create a bulk job using a remote CSV URL.

How do I know if my bulk job is finished?

You can ask your agent to check the status of a specific job ID, and it will report the current progress and completion percentage.

Do I need to manage my own API keys?

You will need to provide your NeverBounce API key during the initial setup to authorize the MCP.

Can I check how many credits I have left?

Yes. You can ask your agent to check your account info to see your remaining credit balance.

Where do I find my NeverBounce API Key?

Log in to your NeverBounce dashboard and navigate to the API section to create or copy your 'Secret Key'.

What do the different result statuses mean?

'Valid' means the email is safe to send. 'Invalid' will bounce. 'Disposable' are temporary addresses, and 'Catchall' means the domain accepts all mail, making deliverability uncertain.

How do I start a bulk verification job?

First, use create_job_from_url or create_job_from_input. Then, call parse_job followed by start_job to begin the verification process.

An astronaut overseeing a futuristic data hub

Download PDF Markdown Version

Connect NeverBounce to ChatGPT, Claude and Gemini

Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Keep your email lists clean and deliverable through your AI agent.

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

Your AI does the work. We keep it safe and sound.

No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.

Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

V8 Isolate01

Each Connector runs inside its own sealed environment.

Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.

Kill Switch02

One switch stops every agent. Instantly.

One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.

FinOps per User03

Spending limits that pause instead of surprise.

Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.

Three controls, built into the layer your AI connects through.

Curated set · 10 capabilities

We ship only the actions that matter.

Capability set01 / 03

01-04

4 capabilities in this set.

Part of 10 available through NeverBounce.

01
Delete job
This capability removes a specific bulk verification job from your history.
02
Get account info
Use this to check your current NeverBounce credit balance and account details.
03
Parse job
This capability processes a bulk job to prepare it for analysis.
04
Start job
This capability initiates a new bulk verification process.

Capability set02 / 03

05-07

3 capabilities in this set.

Part of 10 available through NeverBounce.

05
Check email
This capability verifies a single email address to see if it is valid or disposable.
06
Create job from input
This capability starts a bulk job using raw input data you provide.
07
Create job from URL
This capability creates a bulk verification job using a remote CSV URL.

Capability set03 / 03

08-10

3 capabilities in this set.

Part of 10 available through NeverBounce.

08
Get job results
This capability retrieves the final verification data once a bulk job is complete.
09
Get job status
Use this to check the real-time progress and status of an active bulk job.
10
List jobs
This capability shows you a list of your recent bulk verification jobs.

Real work

What teams actually run

Lead Cleaning

Verify a new batch of leads from a web signup before adding them to a CRM.

Campaign Prep

Run a bulk job on an existing list to remove invalid or disposable addresses.

Real-time Validation

Check a single user-provided email during a conversation to ensure it is valid.

Workflow Automation

Use an agent to monitor the status of a large list cleaning job while you work on other tasks.

Automate a task

Put NeverBounce to work on one thing.

Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.

One connector, every AI

NeverBounce works with the most popular AI clients.

These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.

Building your own app? The connector is yours to use.

You don't need a client to put NeverBounce to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.

Observed, not estimated

935ms average. Fast in production.

NeverBounce is checked daily against the live service.

Daily averagePeak 1107ms

Oct 3Today

Fastest day: 792ms
Slowest day: 1107ms
14-day trend: Slowing+26%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 10 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of NeverBounce, so you can see the experience inside your AI.

It does not authenticate your account with NeverBounce. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

NeverBounce Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_9QrxuAmaibWyjDpF5zg6xD3D9l7azTKpMes9IkCQ/mcp

Claude Desktop

Follow the steps below to connect in seconds.

1In Claude Desktop, open Settings → Connectors.
2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
3Click Add and start a new chat — NeverBounce capabilities are ready to use.

Configuration · claude_desktop_config.jsonCopy

{
  "mcpServers": {
    "neverbounce-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_9QrxuAmaibWyjDpF5zg6xD3D9l7azTKpMes9IkCQ/mcp"
    }
  }
}

Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline

Step-by-step instructions for each client are in the guide. How to connect

Guided setup for Claude? Set up NeverBounce in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work NeverBounce owners hand off.

This MCP is built for professionals who need to maintain high email deliverability without manual data entry.

01
Marketing Teams
They ask the agent to verify leads before launching email campaigns.
02
Sales Operations
They use the agent to clean prospect lists directly in their chat workflow.
03
Developers
They trigger real-time email checks through natural language commands.

FAQ

Questions NeverBounce owners ask.

01
How do I use NeverBounce with Claude?
You connect the NeverBounce MCP through Vinkius. Once connected, you can simply type commands into Claude to verify emails or manage jobs.
02
Can I verify emails from a URL?
Yes. You can tell your agent to create a bulk job using a remote CSV URL.
03
How do I know if my bulk job is finished?
You can ask your agent to check the status of a specific job ID, and it will report the current progress and completion percentage.
04
Do I need to manage my own API keys?
You will need to provide your NeverBounce API key during the initial setup to authorize the MCP.
05
Can I check how many credits I have left?
Yes. You can ask your agent to check your account info to see your remaining credit balance.
06
Where do I find my NeverBounce API Key?
Log in to your NeverBounce dashboard and navigate to the API section to create or copy your 'Secret Key'.
07
What do the different result statuses mean?
'Valid' means the email is safe to send. 'Invalid' will bounce. 'Disposable' are temporary addresses, and 'Catchall' means the domain accepts all mail, making deliverability uncertain.
08
How do I start a bulk verification job?
First, use create_job_from_url or create_job_from_input. Then, call parse_job followed by start_job to begin the verification process.

Explore

More in Marketing Automation

Connect NeverBounce to Claude, Cursor, ChatGPT & more

Your AI does the work. We keep it safe and sound.

Each Connector runs inside its own sealed environment.

One switch stops every agent. Instantly.

Spending limits that pause instead of surprise.

We ship only the actions that matter.

01-04

Delete job

Get account info

Parse job

Start job

05-07

Check email

Create job from input

Create job from URL

08-10

Get job results

Get job status

List jobs

What teams actually run

Lead Cleaning

Campaign Prep

Real-time Validation

Workflow Automation

Building your own app? The connector is yours to use.

NeverBounce Connector

Claude Desktop

Marketing Teams

Sales Operations

Developers

How do I use NeverBounce with Claude?

Can I verify emails from a URL?

How do I know if my bulk job is finished?

Do I need to manage my own API keys?

Can I check how many credits I have left?

Where do I find my NeverBounce API Key?

What do the different result statuses mean?

How do I start a bulk verification job?

EmailListVerify AI Connector

Clearout AI Connector

Hevo Data (ETL & Data Pipeline) AI Connector

No2Bounce AI Connector

Suggestions

Data Pipeline Prover AI Connector

Listclean AI Connector

Data.gov Catalog AI Connector

Kickbox AI Connector