How do I get my Lemlist API key?

Log in to your Lemlist account at **app.lemlist.com**. Click your **profile icon** (bottom left corner). Select **Settings**, then navigate to the **Integrations** tab. Look for the **API** section and click **Generate** to create a new API key. Copy the key immediately and save it securely — it is only shown once. Paste it into the configuration field below.

Can I check which leads opened my emails today?

Yes. Ask your AI agent 'Who opened my emails today?' and it returns a list of leads with their email addresses, campaign names, open timestamps, and total open counts — giving your SDR team warm lead signals in real-time.

Can my agent add new leads to an existing campaign?

Yes. Provide the lead's email, first name, and any custom variables, and your AI agent adds them directly to any active campaign — they'll automatically enter the sequence at step 1. Perfect for sales teams who find prospects and want to start outreach immediately.

What engagement metrics can I track?

Your AI agent can pull opens, clicks, replies, bounces, and unsubscribes per campaign — plus step-by-step analytics showing which emails in your sequence perform best. Perfect for optimizing subject lines, send times, and follow-up cadences.

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

Name: Lemlist
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 Lemlist 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="lemlist_agent",
    instruction=(
        "You help users interact with Lemlist "
        "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 Lemlist MCP Server

Connect Lemlist to your AI agent and manage your cold email outreach and lead engagement pipeline conversationally.

Google ADK natively supports Lemlist 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

Campaign Management — List, create, and monitor email campaigns with open rates, click rates, and reply metrics.
Lead Tracking — Add leads to campaigns, check engagement statuses, and manage lead lists programmatically.
Sequence Analytics — Pull step-by-step performance data for multi-touch email sequences.
Activity Feed — Monitor recent opens, clicks, replies, and bounces across all campaigns.

The Lemlist 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 Lemlist to Google ADK via MCP

Follow these steps to integrate the Lemlist 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 Lemlist via MCP

Why Use Google ADK with the Lemlist MCP Server

Google ADK provides unique advantages when paired with Lemlist 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 Lemlist

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 Lemlist tools with BigQuery, Vertex AI, and Cloud Functions

Lemlist + Google ADK Use Cases

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

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

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

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

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

Lemlist MCP Tools for Google ADK (8)

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

add_lead

Add lead to campaign

delete_lead

Delete lead from campaign

get_campaign

Get campaign details

get_team

Get team info

list_campaigns

List all campaigns

list_leads

List campaign leads

pause_lead

Pause a lead

resume_lead

Resume a lead

Example Prompts for Lemlist in Google ADK

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

"What's the performance of my 'Q2 Outreach' campaign?"

"Add lead sarah@startup.io to the 'Series A Founders' campaign."

"Who replied to my emails this week?"

Troubleshooting Lemlist MCP Server with Google ADK

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

McpToolset not found

Update: pip install --upgrade google-adk

Lemlist + Google ADK FAQ

Common questions about integrating Lemlist 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.