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Vinkius
OpenAI Agents SDKSDK
OpenAI Agents SDK
Listmonk MCP Server

Bring Newsletter Management
to OpenAI Agents SDK

Learn how to connect Listmonk to OpenAI Agents SDK and start using 28 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

MCP Inspector GDPR Free for Subscribers
Create CampaignCreate ListCreate Public SubscriptionCreate SubscriberCreate TemplateDelete BouncesDelete CampaignDelete ListDelete MediaDelete SubscriberDelete TemplateGet CampaignGet Import StatusGet SubscriberList BouncesList CampaignsList ListsList MediaList Public ListsList SubscribersList TemplatesPatch SubscriberSend Transactional MessageStop ImportUpdate Campaign StatusUpdate ListUpdate SubscriberUpdate Template

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
Listmonk

What is the Listmonk MCP Server?

Connect your Listmonk instance to any AI agent and take full control of your email marketing workflows through natural conversation.

What you can do

  • Subscriber Management — List, create, update, or delete subscribers using SQL-like queries for precise filtering via list_subscribers and create_subscriber.
  • List Organization — Manage your mailing lists and public subscriptions to keep your audience segmented using list_lists and create_list.
  • Campaign Control — Create, monitor, and update the status of your email campaigns from draft to sent with create_campaign and update_campaign_status.
  • Transactional Emails — Send high-priority transactional messages instantly via the send_transactional tool.
  • Media & Templates — Manage your asset library and email templates without leaving your chat interface using list_templates and list_media.

How it works

  1. Subscribe to this server
  2. Enter your Listmonk URL and API Token
  3. Start managing your newsletters from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Marketers — quickly segment audiences and check campaign performance without opening the dashboard.
  • Developers — integrate transactional emails and manage subscribers directly from the terminal or IDE.
  • Content Creators — organize newsletter lists and templates with ease through simple commands.

Built-in capabilities (28)

create_campaign

Create a new campaign

create_list

Create a new list

create_public_subscription

Create a public subscription

create_subscriber

Create a new subscriber

create_template

Create a template

delete_bounces

Delete multiple bounce records

delete_campaign

Delete a campaign

delete_list

Delete a list

delete_media

Delete a media file

delete_subscriber

Delete a specific subscriber

delete_template

Delete a template

get_campaign

Retrieve a specific campaign

get_import_status

Retrieve import status

get_subscriber

Retrieve a specific subscriber

list_bounces

Retrieve bounce records

list_campaigns

Retrieve all campaigns

list_lists

Retrieve all lists

list_media

Get uploaded media files

list_public_lists

Retrieve public lists

list_subscribers

Supports pagination, list filtering, and SQL expression search. Query and retrieve subscribers

list_templates

Retrieve all templates

patch_subscriber

Partially update a subscriber

send_transactional_message

Send transactional messages to one or more subscribers using a template

stop_import

Stop an ongoing import

update_campaign_status

Change campaign status

update_list

Update a list

update_subscriber

Update a specific subscriber

update_template

Update a template

Why OpenAI Agents SDK?

The OpenAI Agents SDK auto-discovers all 28 tools from Listmonk through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Listmonk, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

  • 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

O
See it in action

Listmonk in OpenAI Agents SDK

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

Listmonk and 4,000+ other MCP servers. One platform. One governance layer.

Teams that connect Listmonk to OpenAI Agents SDK through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

4,000+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself4,000+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Enterprise Security

Why teams choose Vinkius for Listmonk in OpenAI Agents SDK

The Listmonk 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. All 28 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in OpenAI Agents SDK only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

Listmonk
Fully ManagedVinkius Servers
60%Token savings
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

The Vinkius Advantage

How Vinkius secures Listmonk for OpenAI Agents SDK

Every tool call from OpenAI Agents SDK to the Listmonk MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

Can I search for subscribers using specific SQL-like attributes?

Yes! Use the list_subscribers tool with the query parameter. You can use SQL expressions to filter by attributes, names, or email patterns directly through the agent.

02

How do I send a one-off transactional email to a user?

Use the send_transactional action. You just need to provide the subscriber's email or ID and the template ID you wish to use for the message.

03

Can I stop an ongoing subscriber import if I notice an error?

Absolutely. Use the stop_import tool to immediately halt any active subscriber import process in your Listmonk instance.

04

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.

05

Can I use multiple MCP servers in one agent?

Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.

06

Does the SDK support streaming responses?

Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.

07

MCPServerStreamableHttp not found

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

08

Agent not calling tools

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

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