Bring B2b Prospecting
to LangChain
Learn how to connect Amplemarket to LangChain and start using 6 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Amplemarket MCP Server?
Connect your Amplemarket account to any AI agent and take full control of your outbound sales engagement and high-fidelity lead enrichment workflows through natural conversation.
What you can do
- Lead & Company Enrichment — Programmatically retrieve verified email addresses and deep firmographic data for any B2B contact or company domain in real-time
- Outbound Sequence Intelligence — Monitor the status and performance of your active sales sequences and retrieve high-fidelity campaign metrics directly through your agent
- CRM Discovery — Access complete directories of your saved sales contacts and retrieve granular profile metadata to coordinate your outreach strategy perfectly
- Deliverability Oversight — Access and monitor your exclusion lists and opt-out directories to maintain high-fidelity email health and sender reputation
- Infrastructure Monitoring — Verify API connectivity and retrieve account-level metadata directly through your agent for instant operational reporting
How it works
1. Subscribe to this server
2. Retrieve your API Key from your Amplemarket dashboard (Settings > API)
3. Start orchestrating your outbound growth from Claude, Cursor, or any MCP client
No more manual toggling between sales tools or digging through complex CSV exports. Your AI acts as your dedicated sales analyst and outreach coordinator.
Who is this for?
- Sales Development (SDRs) — instantly enrich prospect profiles and verify sequence statuses using natural language commands
- Revenue Operations (RevOps) — monitor global exclusion lists and campaign performance without leaving your creative workspace
- Growth Marketers — automate lead enrichment into custom data pipelines through simple AI queries
Built-in capabilities (6)
Enrich a company
Enrich a person
Get contact details
List all contacts
List excluded emails
List active sequences
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Amplemarket through native MCP adapters. Connect 6 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
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The largest ecosystem of integrations, chains, and agents. combine Amplemarket MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Amplemarket queries for multi-turn workflows
Amplemarket in LangChain
Amplemarket and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Amplemarket to LangChain 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 Amplemarket in LangChain
The Amplemarket 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 6 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in LangChain 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
Amplemarket for LangChain
Every tool call from LangChain to the Amplemarket MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How do I find my Amplemarket API Key?
Log in to your account, navigate to Settings > API, and generate or copy your unique secret key.
Can I enrich a person using LinkedIn?
Yes! The enrich_person tool allows you to provide either an email or a LinkedIn URL to retrieve the most current B2B metadata.
How do I check my exclusion list?
Use the list_exclusions tool to retrieve all emails and domains currently blocked from your automated sales engagement program.
How does LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
