Bring Cold Outreach
to Google ADK
Learn how to connect Mailshake to Google ADK and start using 12 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Mailshake MCP Server?
Connect your Mailshake account to any AI agent and manage sales outreach through natural conversation.
What you can do
- Campaign Management — Create and manage outreach campaigns
- Lead Tracking — Browse leads with engagement status and activity
- Sequence Management — Configure multi-step email sequences
- Reply Monitoring — Track replies, opens, and click activity
- Team Performance — Monitor team outreach metrics and quotas
- Lead Lists — Import and manage prospect lists
How it works
1. Subscribe to this server
2. Enter your Mailshake API Key
3. Start managing outreach from Claude, Cursor, or any MCP-compatible client
Who is this for?
- SDRs — manage outbound campaigns and track engagement
- Sales Teams — monitor reply rates and lead quality
- Growth — scale cold outreach with analytics
Built-in capabilities (12)
Add new prospects
Get campaign info
Get account team
Get profile info
List recipients
List cold email campaigns
Get open/click activity
List qualified leads
Stop campaign sending
Stop outreach for user
Resume campaign sending
g., Reply, Won, Lost, Ignored). Set lead stage
Why Google ADK?
Google ADK natively supports Mailshake as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 12 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
- —
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 Mailshake
- —
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 Mailshake tools with BigQuery, Vertex AI, and Cloud Functions
Mailshake in Google ADK
Mailshake and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Mailshake to Google ADK through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Mailshake in Google ADK
The Mailshake 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. All 12 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Google ADK only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.
* 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
How Vinkius secures
Mailshake for Google ADK
Every tool call from Google ADK to the Mailshake MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I manage outreach campaigns and sequences?
Yes. Create campaigns with multi-step sequences, personalize emails, and track engagement through each step.
How does Mailshake authentication work?
Mailshake uses HTTP Basic Auth with the API Key against api.mailshake.com/2017-04-01.
Can I track replies and lead engagement?
Yes. Monitor replies, categorize as interested/not interested, and track opens and clicks per lead.
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.
McpToolset not found
Update: pip install --upgrade google-adk