3,400+ MCP servers ready to use
Vinkius

Bring Esputnik
to LangChain

Learn how to connect eSputnik to LangChain and start using 12 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

Attach To GroupCreate ContactDetach From GroupGet Account InfoGet ContactGet Message StatusList ContactsList GroupsList UnsubscribedSearch ContactsSend Smart SendTrigger Event
Use with Your AI Agent
Ask AI about this MCP Server
ChatGPT Claude Perplexity

What is the eSputnik MCP Server?

The eSputnik MCP server allows your AI agent to orchestrate marketing campaigns across Email, SMS, Web Push, and Mobile Push. Send messages, retrieve contact lists, and manage omnichannel workflows seamlessly.

Built-in capabilities (12)

attach_to_group

Add contacts to a specific group

create_contact

Create a new contact in eSputnik

detach_from_group

Remove contacts from a group

get_account_info

Retrieve account and organization metadata

get_contact

Retrieve details for a specific contact

get_message_status

Check the delivery status of a sent message

list_contacts

List all contacts in eSputnik

list_groups

List all contact groups/segments

list_unsubscribed

List unsubscribed email addresses

search_contacts

Search for contacts by email or phone

send_smart_send

Trigger an omnichannel message send

trigger_event

Generate a system event to trigger workflows

Why LangChain?

LangChain's ecosystem of 500+ components combines seamlessly with eSputnik through native MCP adapters. Connect 12 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.

  • —

    The largest ecosystem of integrations, chains, and agents. combine eSputnik MCP tools with 500+ LangChain components

  • —

    Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

  • —

    LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

  • —

    Memory and conversation persistence let agents maintain context across eSputnik queries for multi-turn workflows

See it in action

eSputnik in LangChain

AI Agent→Vinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

eSputnik and 3,400+ other MCP servers. One platform. One governance layer.

Teams that connect eSputnik to LangChain 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.

3,400+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself3,400+ 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
Use with Your AI Agent View step-by-step setup guide for LangChain →
Enterprise Security

Why teams choose Vinkius for eSputnik in LangChain

The eSputnik 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 12 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in LangChain 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.

Use with Your AI Agent View full eSputnik details →
eSputnik
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 eSputnik for LangChain

Every tool call from LangChain to the eSputnik 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 send transactional SMS messages via the AI agent?

Yes! You can specify the recipient's phone number and the message content, and the AI will trigger the eSputnik SMS endpoint.

02

How do I query my contact segments?

Ask the agent to 'List all contact groups'. It will retrieve your active segments directly from the eSputnik API.

03

Does it support adding new contacts dynamically?

Absolutely. You can request the AI to add an email or phone number to your active directory instantly.

04

How does LangChain connect to MCP servers?

Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.

05

Which LangChain agent types work with MCP?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.

06

Can I trace MCP tool calls in LangSmith?

Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.

07

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters