Poplar MCP Server for Mastra AI 11 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Poplar through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
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Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"poplar": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Poplar Agent",
instructions:
"You help users interact with Poplar " +
"using 11 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Poplar?"
);
console.log(result.text);
}
main();
* 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 Poplar MCP Server
Connect your Poplar account to any AI agent and take full control of your programmatic direct mail and physical outreach through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Poplar tool infrastructure. Connect 11 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Trigger Mailers — Automatically send physical postcards or letters by providing a campaign ID and recipient details.
- Address Standardization — Clean and verify US mailing addresses using Poplar's specialized standardization service.
- Audience Management — List all mailing audiences and add new members via email or physical address.
- Suppression Control — Add recipients to the global 'Do Not Mail' list to manage opt-outs and compliance.
- Campaign Visibility — List all active direct mail campaigns and inspect available creatives.
- Delivery Tracking — Monitor the production and delivery status of specific mail pieces in real-time.
- Attribution Reporting — Submit customer orders back to Poplar to track the ROI of your physical mail campaigns.
The Poplar MCP Server exposes 11 tools through the Vinkius. Connect it to Mastra AI 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 Poplar to Mastra AI via MCP
Follow these steps to integrate the Poplar MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 11 tools from Poplar via MCP
Why Use Mastra AI with the Poplar MCP Server
Mastra AI provides unique advantages when paired with Poplar through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Poplar without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Poplar tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Poplar + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Poplar MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Poplar, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Poplar as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Poplar on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Poplar tools alongside other MCP servers
Poplar MCP Tools for Mastra AI (11)
These 11 tools become available when you connect Poplar to Mastra AI via MCP:
add_to_audience
Add a recipient to a specific audience list
add_to_suppression_list
Add a recipient to the global "Do Not Mail" list
get_api_profile
Get information about the authenticated account
get_mailer_status
Check the production and delivery status of a specific mailer
list_audiences
List all mailing audiences in your account
list_billing_history
List account billing and invoice data
list_mail_creatives
List all uploaded mailer designs/creatives
list_marketing_campaigns
List all direct mail campaigns
report_transaction
Report a customer order back to Poplar for attribution tracking
standardize_us_address
Pass fields like address_line1, city, state, postal_code. Clean and standardize a US mailing address
trigger_physical_mailer
Requires "campaign_id" and "recipient_json" (address details). Optional "merge_tags_json" for dynamic content. Trigger a physical mailer (postcard, letter) for a campaign
Example Prompts for Poplar in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Poplar immediately.
"Send a postcard to Jane Doe using campaign ID 'camp_123'."
"Standardize this address: 123 main st, nyc, ny 10001."
"List all active audiences and find 'Holiday VIPs'."
Troubleshooting Poplar MCP Server with Mastra AI
Common issues when connecting Poplar to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpPoplar + Mastra AI FAQ
Common questions about integrating Poplar MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect Poplar with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Poplar to Mastra AI
Get your token, paste the configuration, and start using 11 tools in under 2 minutes. No API key management needed.