How to Use the Mailingwork MCP in Claude Code

Q: Can Claude Code and Mailingwork handle automated list cleaning?

Your terminal agent can easily fetch bounce reports using listsubscribers and cross-reference them against your database. It then fires updatesubscriber to remove invalid addresses from your active lists.

Q: How do I test Mailingwork tags in a headless environment?

Command the agent to execute listtags and print the IDs to your console. You can then use those specific IDs in subsequent commands to assign them to test users.

Manage Mailingwork lists and trigger automations directly from your terminal using Claude Code.

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Connect Mailingwork MCP to Claude Code

Create your Vinkius account to connect Mailingwork 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 Mailingwork with Claude Code

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Script subscriber management

The `list_subscribers` and `get_subscriber` tools turn your command line into a direct database interface via this MCP Server. You ask Claude Code to find all users missing a specific tag, and it queries the API, parses the JSON, and pipes the output into a local file. No graphical interface slows down the extraction. Batch operations execute without leaving the shell. Your CLI agent runs `update_subscriber` across hundreds of records by reading a local CSV and firing the updates sequentially. It handles the rate limits and prints a success log when the job finishes.

Claude Code automates campaign reporting

Calling `list_mailings` through the MCP Server pulls your latest broadcast metrics straight into standard output. You can schedule a cron job that wakes up the agent, fetches the open rates, and posts a summary to your Slack channel. The entire reporting pipeline runs headless. Deep dives into specific sends work just as well. The agent uses `get_mailing` to extract A/B test results and formats the raw data into a clean markdown table. You get exactly the numbers you need to evaluate performance without clicking through a dashboard.

Integrate transactional triggers in CI/CD

The `send_transactional_email` tool exposed by this MCP Server hooks perfectly into your deployment scripts. When a new build passes all tests, your pipeline can instruct the AI client to fire a release notification to your internal engineering list. It happens automatically as part of the workflow. Testing new marketing flows is equally simple. You pass a command to `trigger_automation` during your staging phase to verify that new user signups receive the correct drip sequence. The agent verifies the API response and exits with a zero status code if it succeeds.

Setup guide

Set up Mailingwork 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 mailingwork-mcp with a green status indicator.
3

Start using tools

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

Terminal

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

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

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Mailingwork. 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.

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Common questions about Mailingwork MCP in Claude Code

Run claude mcp add --transport http mailingwork-mcp -- in your terminal. Make sure to place all flags before the server name. Use claude mcp list to verify the connection.

Your terminal agent can easily fetch bounce reports using `list_subscribers` and cross-reference them against your database. It then fires `update_subscriber` to remove invalid addresses from your active lists.

Yes. You can feed a JSON array of new users into the agent, and it will iterate through the data to call `create_subscriber` for each entry. It maps the fields automatically based on your prompt.

Command the agent to execute `list_tags` and print the IDs to your console. You can then use those specific IDs in subsequent commands to assign them to test users.

Raw API responses containing email addresses and segmentation tags stay ephemeral. The Vinkius managed infrastructure handles the authentication layer, ensuring your headless environment only receives the exact data requested before terminating the session.

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