How to Use the Click2Mail MCP in Google ADK

Q: How do I connect the Click2Mail MCP Server to my Google ADK agent?

You'll use the McpToolset from the Google ADK library, pointing it to your Vinkius server URL. Pass that toolset to your LlmAgent, and your Gemini model will be able to use the Click2Mail functions.

Q: Can I limit which Click2Mail tools my Google ADK agent can use?

Yes. When you configure the McpToolset, you can pass a toolnames list to expose only specific functions. This lets you create agents with restricted permissions, like a 'read-only' agent.

Connect your Google ADK agents to Click2Mail. Trigger physical mailings based on events in BigQuery or Google Cloud.

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Connect Click2Mail MCP to Google ADK

Create your Vinkius account to connect Click2Mail to Google ADK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Click2Mail with Google ADK

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Trigger Mail from Your Google Cloud Data

This is where your cloud data meets the real world. Your Gemini agent can monitor a BigQuery table for new high-value customers. When one appears, the agent can use `list_mail_documents` to find the right welcome packet, then send it out with `submit_mail_job`. It closes the loop between your data and your customer relationships. You're not just storing information in Google Cloud anymore; you're acting on it. This setup turns your database into an automated direct mail engine.

Monitor Mailing Costs and History in Gemini

Gemini's large context window is perfect for analysis. Your agent can pull your entire mailing history with `list_mail_jobs` and `get_mail_account_history`. Then, you can ask it to analyze spending trends or find all jobs sent to a specific state. You don't need to export data or build a separate dashboard. The agent can hold all the context from the Click2Mail API and answer complex questions on the spot. It can also use `get_mail_credit_balance` to give you a real-time budget update.

Build Enterprise Mail Workflows with this MCP Server

For larger campaigns, you need planning and oversight. Your Google ADK agent can use `get_mail_job_cost` to calculate the price for a mailing to a list from BigQuery before you commit. It can present the cost for approval within your existing Google Cloud workflow. This MCP Server provides the tools to build responsible, enterprise-grade automations. You can even use the `tool_names` filter in the ADK to create agents with limited permissions—for example, an agent that can only check costs but not submit jobs.

Setup guide

Set up Click2Mail MCP in Google ADK

Prerequisites

Python 3.10+ installed
google-adk package (pip install google-adk)
Active Vinkius subscription with a valid endpoint token

1

Install Google ADK

Run pip install google-adk to install the Agent Development Kit. MCP support is included via the McpToolset class.
2

Connect via SSE transport

Use McpToolset.from_server() with SseServerParams pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create an LlmAgent

Pass the returned mcp_tools list directly to LlmAgent(tools=mcp_tools). The ADK maps each MCP tool to a native Gemini function call — no manual schema definitions required.
4

Run with any Gemini model

The agent works with any Gemini model (gemini-2.0-flash, gemini-2.5-pro, etc.). Copy the full example on the right to get started with Click2Mail tools in your ADK agent.

agent.py

from google.adk.agents import LlmAgent
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import SseServerParams

# Connect to the MCP via SSE
mcp_tools, exit_stack = await McpToolset.from_server(
    connection_params=SseServerParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    )
)

# Create your agent with auto-discovered tools
agent = LlmAgent(
    name="Click2Mail_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Click2Mail tools via MCP.",
    tools=mcp_tools,
)

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Click2Mail. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Click2Mail MCP in Google ADK

You'll use the `McpToolset` from the Google ADK library, pointing it to your Vinkius server URL. Pass that toolset to your `LlmAgent`, and your Gemini model will be able to use the Click2Mail functions.

Yes, that's a primary use case. Your agent can be prompted to query BigQuery, and if the results meet certain criteria, it can then use the `submit_mail_job` tool to send physical mail.

You can create powerful reports. An agent can fetch data using `list_mail_jobs` and `get_mail_account_history`, then use Gemini's reasoning to summarize spending, track delivery statuses, or analyze campaign effectiveness over time.

Yes. When you configure the `McpToolset`, you can pass a `tool_names` list to expose only specific functions. This lets you create agents with restricted permissions, like a 'read-only' agent.

The server processes only the data required for its tools, like your mailing lists, document references, and job history. Vinkius isolates every MCP server in a dedicated sandbox, and all data in transit is encrypted.

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