3,400+ MCP servers ready to use
Vinkius

Bring Churn Reduction
to LangChain

Learn how to connect Upzelo to LangChain and start using 10 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

Get CustomerGet FlowGet Flow SessionGet SubscriptionList CustomersList FlowsList SubscriptionsSave CustomerStart FlowUpdate Subscription

What is the Upzelo MCP Server?

Connect your Upzelo churn management account to any AI agent and simplify how you retain customers and manage subscription lifecycles through natural conversation.

What you can do

  • Customer Management — List and search customer records, and update profile data for better segmentation and targeting.
  • Retention Flows — List available flows and manually trigger retention sequences for customers at risk of cancelling.
  • Subscription Tracking — Query all tracked subscriptions and update statuses or trial details programmatically.
  • Flow Monitoring — Check the real-time status and outcomes of active flow sessions to verify retention success.
  • External ID Sync — Link your internal system identifiers to Upzelo customer records for seamless integration.

How it works

1. Subscribe to this server
2. Enter your Upzelo App ID and API Key (found in your developer settings)
3. Start managing your retention strategy from Claude, Cursor, or any MCP client

Who is this for?

  • Customer Success Managers — quickly trigger retention flows and check customer health via simple AI commands.
  • Product Operations — monitor subscription statuses and sync customer data directly from the workspace.
  • Business Growth Teams — get instant insights into flow performance and active retention sessions.

Built-in capabilities (10)

get_customer

Get details for a specific customer

get_flow

Get details for a specific flow

get_flow_session

Check the status of a flow session

get_subscription

Get details for a specific subscription

list_customers

List all customers in Upzelo

list_flows

List all retention flows

list_subscriptions

List all subscriptions

save_customer

Used for segmentation and targeting. Create or update a customer record

start_flow

Initialize a flow for a customer

update_subscription

Update subscription attributes

Why LangChain?

LangChain's ecosystem of 500+ components combines seamlessly with Upzelo through native MCP adapters. Connect 10 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 Upzelo 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 Upzelo queries for multi-turn workflows

See it in action

Upzelo in LangChain

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

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

Teams that connect Upzelo 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
Enterprise Security

Why teams choose Vinkius for Upzelo in LangChain

The Upzelo 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 10 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.

Upzelo
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 Upzelo for LangChain

Every tool call from LangChain to the Upzelo 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 manually start a retention flow for a customer via AI?

Yes! Use the start_flow tool and provide the Flow ID, Customer ID, and Subscription ID. This will initialize the retention experience for that user immediately.

02

How do I see if a customer successfully stayed after a flow?

Run the get_flow_session query with the specific Session ID. It will return the outcome and status of the retention attempt.

03

Is it possible to update a subscription's status via AI?

Absolutely. Use the update_subscription tool by providing the Subscription ID and the new status to synchronize data between your systems and Upzelo.

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