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 OpenAI Agents SDK 10 tools — connect in under 2 minutes

Name: Buttondown
Availability: InStock
Author: Vinkius

openai.github.io/openai-agents-python/mcp

Built by Vinkius GDPR 10 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Buttondown through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="Buttondown Assistant",
            instructions=(
                "You help users interact with Buttondown. "
                "You have access to 10 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Buttondown"
        )
        print(result.final_output)

asyncio.run(main())

Fully ManagedVinkius Servers

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High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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.

The OpenAI Agents SDK auto-discovers all 10 tools from Buttondown through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Buttondown, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

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 OpenAI Agents SDK 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 OpenAI Agents SDK via MCP

Follow these steps to integrate the Buttondown MCP Server with OpenAI Agents SDK.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 10 tools from Buttondown

Why Use OpenAI Agents SDK with the Buttondown MCP Server

OpenAI Agents SDK provides unique advantages when paired with Buttondown through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

Buttondown + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Buttondown MCP Server delivers measurable value.

Automated workflows: build agents that query Buttondown, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries Buttondown, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through Buttondown tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Buttondown to resolve tickets, look up records, and update statuses without human intervention

Buttondown MCP Tools for OpenAI Agents SDK (10)

These 10 tools become available when you connect Buttondown to OpenAI Agents SDK 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 OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK 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 OpenAI Agents SDK

Common issues when connecting Buttondown to OpenAI Agents SDK through the Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Buttondown + OpenAI Agents SDK FAQ

Common questions about integrating Buttondown MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.