How do I find my Server ID?

Use the `list_virtual_servers` tool to see a comprehensive list of all servers in your account along with their unique IDs.

Can I search for messages by recipient email?

Yes, use the `search_server_messages` tool and provide a JSON criteria object with the `sentTo` field.

Does Mailosaur support SMS messages?

Absolutely. Mailosaur treats SMS messages similarly to emails. You can list and search for them within your virtual servers just like email content.

Mailosaur MCP Server for Google ADK 8 tools — connect in under 2 minutes

Name: Mailosaur
Availability: InStock
Author: Vinkius

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

Built by Vinkius GDPR 8 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Mailosaur 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="mailosaur_agent",
    instruction=(
        "You help users interact with Mailosaur "
        "using 8 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 Mailosaur MCP Server

Connect your Mailosaur account to any AI agent to automate your email and SMS testing workflows. This MCP server enables your agent to manage virtual servers (inboxes), retrieve and search for messages, and extract content for validation directly from natural language interfaces.

Google ADK natively supports Mailosaur as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 8 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

Virtual Inbox Oversight — List and manage all virtual servers and retrieve their unique routing domains
Message Retrieval — List all email and SMS messages received by a specific server instantly
Advanced Search — Find specific messages by sender, recipient, subject, or body content using detailed criteria
Content Inspection — Retrieve the full HTML and text content of any message for automated validation
Inbox Maintenance — Clear entire server inboxes or delete specific messages via simple commands
Dynamic Infrastructure — Create and configure new virtual servers programmatically for testing isolation

The Mailosaur MCP Server exposes 8 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 Mailosaur to Google ADK via MCP

Follow these steps to integrate the Mailosaur 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 8 tools from Mailosaur via MCP

Why Use Google ADK with the Mailosaur MCP Server

Google ADK provides unique advantages when paired with Mailosaur 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 Mailosaur

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 Mailosaur tools with BigQuery, Vertex AI, and Cloud Functions

Mailosaur + Google ADK Use Cases

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

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

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

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

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

Mailosaur MCP Tools for Google ADK (8)

These 8 tools become available when you connect Mailosaur to Google ADK via MCP:

clear_server_inbox

Delete all messages in a server

create_virtual_server

Create a new virtual server/inbox

delete_specific_message

Permanently remove a message

get_message_content

Get the full content of a specific message

get_server_details

Get details for a specific virtual server

list_server_messages

List all messages in a virtual server

list_virtual_servers

Use this to identify server IDs. List all Mailosaur virtual servers

search_server_messages

Requires a server ID and criteria like sentTo, sentFrom, or subject. Search for specific messages using criteria

Example Prompts for Mailosaur in Google ADK

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

"List all my Mailosaur servers."

"Find the last message sent to 'test-user@mailosaur.io' in server 'prod123'."

"Delete all messages in the 'Dev Sandbox' server (ID: 'dev789')."

Troubleshooting Mailosaur MCP Server with Google ADK

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

McpToolset not found

Update: pip install --upgrade google-adk

Mailosaur + Google ADK FAQ

Common questions about integrating Mailosaur 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.