Bring Subscriber Management
to LangChain
Learn how to connect Smaily to LangChain and start using 11 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Smaily MCP Server?
Connect your Smaily account to any AI agent and simplify your email marketing and automation workflows through natural conversation.
What you can do
- Subscriber Management — List all contacts in your database, retrieve detailed profile metadata, and create new subscribers programmatically
- Campaign Control — Query past and scheduled email campaigns to monitor your marketing outreach
- Automation & Autoresponders — List configured automated workflows and trigger specific autoresponder emails directly from your agent
- Template catalog — Query available email templates to choose the right look for your messages
- Operational tracking — Stay on top of your marketing performance and subscriber engagement
How it works
1. Subscribe to this server
2. Enter your Smaily Subdomain, API User, and API Password from your account settings
3. Start managing your email marketing from Claude, Cursor, or any MCP-compatible client
Built-in capabilities (11)
Add a new subscriber
Remove a subscriber
Get details for an automation workflow
Get details for a specific campaign
Get details for a specific subscriber
Get details for an email template
List automated responders
List email campaigns
List message templates
List Smaily subscribers
Trigger an automation email
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Smaily through native MCP adapters. Connect 11 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.
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The largest ecosystem of integrations, chains, and agents. combine Smaily MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Smaily queries for multi-turn workflows
Smaily in LangChain
Smaily and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Smaily 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.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Smaily in LangChain
The Smaily 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 11 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.
* 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
How Vinkius secures
Smaily for LangChain
Every tool call from LangChain to the Smaily MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I list all my email templates using my AI agent?
Yes! Use the list_email_templates tool to retrieve a comprehensive list of all message templates available in your Smaily account.
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.
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.
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.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters