Poplar MCP Server for Google ADK 11 tools — connect in under 2 minutes
Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Poplar as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
StreamableHTTPConnectionParams,
)
# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
connection_params=StreamableHTTPConnectionParams(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
)
)
agent = Agent(
model="gemini-2.5-pro",
name="poplar_agent",
instruction=(
"You help users interact with Poplar "
"using 11 available tools."
),
tools=[mcp_tools],
)
* 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.
Google ADK natively supports Poplar as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 11 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
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 Google ADK 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 Google ADK via MCP
Follow these steps to integrate the Poplar MCP Server with Google ADK.
Install Google ADK
Run pip install google-adk
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Create the agent
Save the code above and integrate into your ADK workflow
Explore tools
The agent will discover 11 tools from Poplar via MCP
Why Use Google ADK with the Poplar MCP Server
Google ADK provides unique advantages when paired with Poplar through the Model Context Protocol.
Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution
Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Poplar
Production-ready features like session management, evaluation, and deployment come built-in. not bolted on
Seamless integration with Google Cloud services means you can combine Poplar tools with BigQuery, Vertex AI, and Cloud Functions
Poplar + Google ADK Use Cases
Practical scenarios where Google ADK combined with the Poplar MCP Server delivers measurable value.
Enterprise data agents: ADK agents query Poplar and cross-reference results with internal databases for comprehensive analysis
Multi-modal workflows: combine Poplar tool responses with Gemini's vision and language capabilities in a single agent
Automated compliance checks: schedule ADK agents to query Poplar regularly and flag policy violations or configuration drift
Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Poplar
Poplar MCP Tools for Google ADK (11)
These 11 tools become available when you connect Poplar to Google ADK 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 Google ADK
Ready-to-use prompts you can give your Google ADK 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 Google ADK
Common issues when connecting Poplar to Google ADK through the Vinkius, and how to resolve them.
McpToolset not found
pip install --upgrade google-adkPoplar + Google ADK FAQ
Common questions about integrating Poplar MCP Server with Google ADK.
How does Google ADK connect to MCP servers?
Can ADK agents use multiple MCP servers?
Which Gemini models work best with MCP tools?
Connect Poplar with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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Anthropic's agentic CLI for terminal-first development.
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Google's framework for building production AI agents.
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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 Google ADK
Get your token, paste the configuration, and start using 11 tools in under 2 minutes. No API key management needed.