How do I get a Cordial API Key?

Log in to your Cordial account, go to **Settings > API Keys**, and create a new key. Ensure you have the necessary permissions to manage contacts and messages.

Can the agent trigger batch campaigns?

This integration currently focuses on listing and monitoring campaigns. To trigger sends, you should use the Cordial dashboard or specific automation workflows.

What profile attributes can the agent update?

The agent can update any custom attributes defined in your Cordial schema, as well as channel subscription preferences, as long as the API Key has write access.

Cordial MCP Server for Google ADK 10 tools — connect in under 2 minutes

Name: Cordial
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 10 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Cordial as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

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="cordial_agent",
    instruction=(
        "You help users interact with Cordial "
        "using 10 available tools."
    ),
    tools=[mcp_tools],
)

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

About Cordial MCP Server

Integrate Cordial, the cross-channel marketing platform, directly into your AI workflow. Manage your audience segments, trigger automated messages, and monitor campaign performance using natural language.

Google ADK natively supports Cordial as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 10 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

Audience Management — List and search for subscribers, and update profile attributes seamlessly.
Campaign Monitoring — Track the performance of batch and transactional email/SMS campaigns.
Automation Control — Monitor and manage active message automation workflows.
Data Insights — Access supplementary data collections and account metadata via chat.

The Cordial MCP Server exposes 10 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 Cordial to Google ADK via MCP

Follow these steps to integrate the Cordial 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 10 tools from Cordial via MCP

Why Use Google ADK with the Cordial MCP Server

Google ADK provides unique advantages when paired with Cordial 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 Cordial

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 Cordial tools with BigQuery, Vertex AI, and Cloud Functions

Cordial + Google ADK Use Cases

Practical scenarios where Google ADK combined with the Cordial MCP Server delivers measurable value.

Enterprise data agents: ADK agents query Cordial and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Cordial tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Cordial regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Cordial

Cordial MCP Tools for Google ADK (10)

These 10 tools become available when you connect Cordial to Google ADK via MCP:

get_account_details

Resolves system-level account identifiers, plan configuration, and core platform settings. Get metadata about your Cordial account

get_subscriber_profile

Resolves granular profile data including custom attributes, device tokens, and list memberships. Get full profile and attributes for a subscriber

list_audience_segments

Resolves list identity properties such as segment IDs, names, and subscriber counts. List contact segments and audience groups

list_automation_messages

Resolves active automated message definitions and workflow status for triggered communications. List active automated message workflows

list_contacts

Resolves contact identity properties including email addresses, channel opt-ins, and attribute metadata across the Cordial system boundary. List subscribers in Cordial

list_marketing_campaigns

Resolves campaign identity and status, including scheduling data and high-level performance indicators. List marketing campaigns and their performance

list_messages

Resolves batch and transactional message definitions, including templates, subject lines, and sender profiles. List batch and transactional messages

list_supplementary_data

Resolves metadata for custom data collections used for message personalization. List supplement collections (external data tables)

search_campaigns_by_name

Resolves a subset of campaigns matching the name criteria across the platform boundary. Search for marketing campaigns by name

upsert_subscriber

Creates or updates a profile with identity properties, channel preferences, and custom attributes. Create or update a subscriber profile

Example Prompts for Cordial in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with Cordial immediately.

"List the most recent marketing campaigns and their open rates."

"Show me the profile for the subscriber 'user@example.com'."

"Check the size of our 'Active Customers' list."

Troubleshooting Cordial MCP Server with Google ADK

Common issues when connecting Cordial to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

Cordial + Google ADK FAQ

Common questions about integrating Cordial MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.