How to Use the No2Bounce MCP in Claude Code

Clean your email lists from the terminal with Claude Code and this MCP server to protect your sender reputation.

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Connect No2Bounce MCP to Claude Code

Create your Vinkius account to connect No2Bounce to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup No2Bounce with Claude Code

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Run bulk validation from your terminal session

The `validate_bulk` tool allows your command-line agent to pass lists of email addresses to the validation service. This lets you run quick checks on raw data files or database dumps without opening a browser. Your agent initiates the validation run, retrieves the tracking ID, and outputs it to your console. You can easily pipe this ID to other terminal tools or let your agent handle the next steps.

Fetch real-time status updates via CLI

Querying active jobs is fast with the `get_validation_status` tool, giving your CLI agent direct access to progress metrics. You can query the API to see if your batch is finished and ready for export. This makes it simple to integrate verification steps into your deployment scripts or cron jobs, keeping your lists clean on a regular schedule.

Automate workflows with the Claude Code MCP Server

This MCP server integrates with your terminal agent to build headless data-cleaning pipelines. You can trigger validation runs as part of your CI/CD checks or database migration scripts. By running validation directly in your terminal, you remove manual steps from your list maintenance and keep your sender reputation protected automatically.

Setup guide

Set up No2Bounce MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see no2bounce-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest No2Bounce transactions." It will automatically discover and invoke the available No2Bounce tools.

Terminal

claude mcp add --transport http no2bounce-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the No2Bounce MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "no2bounce-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about No2Bounce MCP in Claude Code

Run the MCP command to add the server to your CLI agent configuration. Once added, you can start running validation commands directly from your terminal session.

Yes, you can write scripts that have your agent call the bulk validation tool during automated tasks. This allows you to check list quality before triggering automated email campaigns.

Your agent sends the list to the bulk endpoint and gets a tracking ID. It can then check the validation status to poll the API and notify you when the cleaning is complete.

No, you can view the entire validation status and final results directly in your terminal. Your agent fetches the data and displays it as clean text or structured output.

All email data sent through this tool is encrypted during transit and processed in isolated environments. The server does not store your contact records or log any email addresses after the validation check completes.

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