3,400+ MCP servers ready to use
Vinkius

Bring Pipeline Management
to LangChain

Learn how to connect Kylas to LangChain and start using 7 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

Create ContactCreate LeadGet LeadList ContactsList DealsList LeadsList Tasks
Use with Your AI Agent
Ask AI about this MCP Server
ChatGPT Claude Perplexity

What is the Kylas MCP Server?

Connect your Kylas account to any AI agent and manage your sales CRM through natural conversation.

What you can do

  • Lead Management — List, create, and inspect leads with status tracking
  • Deal Pipeline — Browse deals across pipeline stages with values
  • Contact Database — Manage contacts with activity and communication history
  • Pipeline Monitoring — Track conversion rates and deal velocity

How it works

1. Subscribe to this server
2. Enter your Kylas API Key
3. Start managing sales from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Sales Teams — manage leads and deals without opening the CRM
  • Sales Managers — monitor pipeline health and team performance
  • BDRs — track prospects and follow-up activities

Built-in capabilities (7)

create_contact

Create a new contact

create_lead

Pass data as a JSON string. Create a new lead

get_lead

Get specific lead details

list_contacts

List all CRM contacts

list_deals

List all CRM deals

list_leads

List all Kylas leads

list_tasks

List CRM tasks

Why LangChain?

LangChain's ecosystem of 500+ components combines seamlessly with Kylas through native MCP adapters. Connect 7 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.

  • —

    The largest ecosystem of integrations, chains, and agents. combine Kylas MCP tools with 500+ LangChain components

  • —

    Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

  • —

    LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

  • —

    Memory and conversation persistence let agents maintain context across Kylas queries for multi-turn workflows

See it in action

Kylas in LangChain

AI Agent→Vinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

Kylas and 3,400+ other MCP servers. One platform. One governance layer.

Teams that connect Kylas 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.

3,400+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself3,400+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Use with Your AI Agent View step-by-step setup guide for LangChain →
Enterprise Security

Why teams choose Vinkius for Kylas in LangChain

The Kylas 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 7 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.

Use with Your AI Agent View full Kylas details →
Kylas
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

The Vinkius Advantage

How Vinkius secures Kylas for LangChain

Every tool call from LangChain to the Kylas MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

Can I manage leads and track deals?

Yes. List, create, and update leads with status tracking. Browse deals across pipeline stages with deal values and probability.

02

Can I monitor pipeline conversion rates?

Yes. Track pipeline metrics including deal counts per stage, conversion rates, average deal size, and velocity.

03

What API endpoint does Kylas use?

Bearer authentication against api.kylas.io/v1.

04

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.

05

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.

06

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.

07

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters