Bring Cold Email
to CrewAI
Create your Vinkius account to connect Lemlist to CrewAI and start using all 8 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the Lemlist MCP Server?
Connect Lemlist to your AI agent and manage your cold email outreach and lead engagement pipeline conversationally.
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.
How it works
- Subscribe to the Lemlist integration on the marketplace.
- Generate an API key from your Lemlist account (Profile → Settings → Integrations → API section → Generate).
- Ask your AI agent to manage campaigns, track leads, or pull engagement analytics.
Who is this for?
- SDR Teams — Monitor outreach performance and lead engagement without switching between tools.
- Growth Marketers — Optimize email sequences based on real-time open, click, and reply data.
- Agency Owners — Track multi-client campaign performance from a single conversational interface.
Built-in capabilities (8)
Add lead to campaign
Delete lead from campaign
Get campaign details
Get team info
List all campaigns
List campaign leads
Pause a lead
Resume a lead
Why CrewAI?
When paired with CrewAI, Lemlist becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call Lemlist tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.
- —
Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools
- —
CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the
mcpsparameter and agents auto-discover every available tool at runtime - —
Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls
- —
Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports
Lemlist in CrewAI
Why run Lemlist with Vinkius?
The Lemlist connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 8 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Lemlist using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Lemlist and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Lemlist to CrewAI through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Lemlist for CrewAI
Every request between CrewAI and Lemlist is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
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.
How does CrewAI discover and connect to MCP tools?
CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.
Can different agents in the same crew use different MCP servers?
Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.
What happens when an MCP tool call fails during a crew run?
CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.
Can CrewAI agents call multiple MCP tools in parallel?
CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.
Can I run CrewAI crews on a schedule (cron)?
Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.
MCP tools not discovered
Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.
Agent not using tools
Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".
Timeout errors
CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.
Rate limiting or 429 errors
Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.
Explore More MCP Servers
View all →
Eurostat Demographics — EU Population & Labor
6 toolsEU demographics and labor market: population by age and sex, monthly unemployment rates, employment data, immigration by citizenship, life expectancy, and minimum wages for all 27 EU member states.
Capacities
10 toolsEmpower your AI agents to build knowledge graphs, append daily notes, and save weblinks directly into your Capacities spaces.
OpenWeatherMap
6 toolsAccess real-time weather data, 5-day forecasts, air quality metrics, and geocoding services globally via OpenWeatherMap.
Couchbase (Vector & NoSQL)
7 toolsManage vector search and NoSQL via Couchbase — execute N1QL queries, perform KNN vector searches, and audit documents directly from any AI agent.