Can I check the open rate for a specific email using the agent?

Yes! Use the `get_email_analytics` tool with the Email ID. Your agent will fetch the detailed statistics, including deliveries, opens, and clicks, directly from Buttondown.

How do I add a new subscriber with a specific tag?

Simply ask the agent to `create_subscriber` and provide the email address and a JSON array of tags, for example: `["customer", "api-lead"]`. The subscriber will be added to Buttondown instantly.

Does the integration allow creating a new draft email?

Yes. Use the `create_email` action and set the status to `draft`. You can provide the subject and the body in markdown format, and it will appear in your Buttondown account ready for review.

Buttondown MCP Server for Cline 10 tools — connect in under 2 minutes

Name: Buttondown
Availability: InStock
Author: Vinkius

cline.bot/docs/mcp

Built by Vinkius GDPR 10 Tools IDE

Cline is an autonomous AI coding agent inside VS Code that plans, executes, and iterates on tasks. Wire Buttondown through Vinkius and Cline gains direct access to every tool. from data retrieval to workflow automation. without leaving the terminal.

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Classic Setup·json

{
  "mcpServers": {
    "buttondown": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Buttondown MCP Server

Connect your Buttondown account to any AI agent and orchestrate your newsletter, subscriber management, and email campaigns through natural conversation.

Cline operates autonomously inside VS Code. it reads your codebase, plans a strategy, and executes multi-step tasks including Buttondown tool calls without waiting for prompts between steps. Connect 10 tools through Vinkius and Cline can fetch data, generate code, and commit changes in a single autonomous run.

What you can do

Subscriber Oversight — List all your subscribers and retrieve detailed profiles, including metadata and tags.
Email Management — List all sent emails and drafts, and create new campaigns or drafts directly from your workspace.
Analytics Tracking — Retrieve detailed analytics for specific emails, including open and click rates.
Segment Coordination — Access and list your tags to ensure your audience is properly categorized.
Newsletter Access — List all newsletters managed in your account and access your core profile settings.
Subscriber Growth — Add new subscribers directly from your workspace with custom tags and metadata.

The Buttondown MCP Server exposes 10 tools through the Vinkius. Connect it to Cline in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Buttondown to Cline via MCP

Follow these steps to integrate the Buttondown MCP Server with Cline.

Open Cline MCP Settings

Click the MCP Servers icon in the Cline sidebar panel

Add remote server

Click "Add MCP Server" and paste the configuration above

Enable the server

Toggle the server switch to ON

Start using Buttondown

Ask Cline: "Using Buttondown, help me...". 10 tools available

Why Use Cline with the Buttondown MCP Server

Cline provides unique advantages when paired with Buttondown through the Model Context Protocol.

Cline operates autonomously. it reads your codebase, plans a strategy, and executes multi-step tasks including MCP tool calls without step-by-step prompts

Runs inside VS Code, so you get MCP tool access alongside your existing extensions, terminal, and version control in a single window

Cline can create, edit, and delete files based on MCP tool responses, enabling end-to-end automation from data retrieval to code generation

Transparent execution: every tool call and file change is shown in Cline's activity log for full visibility and approval before committing

Buttondown + Cline Use Cases

Practical scenarios where Cline combined with the Buttondown MCP Server delivers measurable value.

Autonomous feature building: tell Cline to fetch data from Buttondown and scaffold a complete module with types, handlers, and tests

Codebase refactoring: use Buttondown tools to validate live data while Cline restructures your code to match updated schemas

Automated testing: Cline fetches real responses from Buttondown and generates snapshot tests or mocks based on actual payloads

Incident response: query Buttondown for real-time status and let Cline generate hotfix patches based on the findings

Buttondown MCP Tools for Cline (10)

These 10 tools become available when you connect Buttondown to Cline via MCP:

create_email

Create a new email or draft

create_subscriber

Add a new subscriber to the newsletter

get_account_info

Retrieve core account/profile settings

get_email

Get details of a specific email

get_email_analytics

Get analytics for a specific email

get_subscriber

Get details of a specific subscriber

list_emails

List all sent emails and drafts

list_newsletters

List all newsletters in the account

list_subscribers

List all newsletter subscribers

list_tags

List all subscriber tags

Example Prompts for Buttondown in Cline

Ready-to-use prompts you can give your Cline agent to start working with Buttondown immediately.

"List all my newsletter subscribers."

"Show analytics for my last sent email."

"Create a new draft with subject 'Hello World' and body 'This is a test'."

Troubleshooting Buttondown MCP Server with Cline

Common issues when connecting Buttondown to Cline through the Vinkius, and how to resolve them.

Server shows error in sidebar

Click the server name to see logs. Verify the URL and token are correct.

Buttondown + Cline FAQ

Common questions about integrating Buttondown MCP Server with Cline.

How does Cline connect to MCP servers?

Cline reads MCP server configurations from its settings panel in VS Code. Add the server URL and Cline discovers all available tools on initialization.