
Connect Churn Rate Calculator to ChatGPT, Claude and Gemini
Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Turn raw retention data into clear business health scores.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Your AI does the work. We keep it safe and sound.
No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.
Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

Each Connector runs inside its own sealed environment.
Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.
One switch stops every agent. Instantly.
One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.
Spending limits that pause instead of surprise.
Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.
Three controls, built into the layer your AI connects through.
Curated set · 4 capabilities
We ship only the actions that matter.
01-04
4 capabilities in this set.
Part of 4 available through Churn Rate Calculator.
- 01
Revenue churn rate calculator
This capability calculates your revenue churn rate using your starting ARR and the amount of revenue lost. It provides a direct look at the monetary impact of customer departures.
- 02
Analyze churn health
This capability compares your calculated churn and retention metrics against industry benchmarks. It outputs a health classification like World-Class or Needs Improvement.
- 03
Customer churn rate calculator
This capability determines your customer churn rate by comparing your starting and ending customer counts over a specific period.
- 04
Net revenue retention calculator
This capability calculates Net Revenue Retention (NRR) by weighing lost revenue against expansion revenue and starting ARR. It shows how much your existing base is actually growing.
Real work
What teams actually run
Quarterly Business Reviews
Generate a health score for your leadership team by feeding them your latest CCR and NRR numbers.
SaaS Growth Audits
Use the NRR capability to see if your upsells are successfully offsetting your customer churn.
Churn Impact Assessment
Calculate the specific dollar amount lost from a cohort of departing customers using the revenue churn capability.
Benchmark Benchmarking
Compare your ECommerce or SaaS retention metrics against standard industry tiers.
Automate a task
Put Churn Rate Calculator to work on one thing.
Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.
One connector, every AI
Churn Rate Calculator works with the most popular AI clients.
These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.
Claude
ChatGPT
Gemini
Perplexity
Grok
Microsoft Copilot
Cursor
VS Code
Windsurf
JetBrains
Cline
LangChain
Vercel AI SDK
Lovable
Z.ai
Raycast
Qwen Code
Kimi Code
Le ChatBuilding your own app? The connector is yours to use.
You don't need a client to put Churn Rate Calculator to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.
Observed, not estimated
756ms average. Fast in production.
Churn Rate Calculator is checked daily against the live service.
- Fastest day
- 530ms
- Slowest day
- 942ms
- 14-day trend
- Slowing+43%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Churn Rate Calculator, so you can see the experience inside your AI.
It does not authenticate your account with Churn Rate Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Churn Rate Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_5I0Ro5lVjiLqh0XnM65ve7HY4oQRJRIpO6f0gGJy/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Churn Rate Calculator capabilities are ready to use.
{
"mcpServers": {
"churn-rate-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_5I0Ro5lVjiLqh0XnM65ve7HY4oQRJRIpO6f0gGJy/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
Guided setup for Claude? Set up Churn Rate Calculator in Claude and other AIs
Who it's for
Built for the work Churn Rate Calculator owners hand off.
This MCP is built for finance and operations professionals who need to turn raw retention data into strategic insights.
- 01
SaaS Finance Leads
They hand off ARR and churn data to the agent to generate NRR reports.
- 02
Customer Success Managers
They use the capability to monitor account health and customer loss trends.
- 03
Revenue Operations
They use the health analysis to report on growth momentum to leadership.
FAQ
Questions Churn Rate Calculator owners ask.
- 01
How do I use this MCP with Claude?
You connect to the Vinkius catalog once, and the capabilities become available in your Claude interface. You just talk to your agent like you normally would.
- 02
What metrics can this MCP calculate?
It calculates Customer Churn Rate, Revenue Churn Rate, and Net Revenue Retention (NRR).
- 03
Does it provide industry benchmarks?
Yes, the analyze_churn_health capability compares your results against industry standards to give you a health grade.
- 04
Can I include expansion revenue in my calculations?
Yes, the net_revenue_retention_calculator is specifically designed to include expansion and contraction revenue.
- 05
Do I need to host the MCP myself?
No, Vinkius hosts and manages the MCP for you. You just connect and start using the capabilities.
- 06
How do I calculate the proportion of customers lost in a period?
You should use the customer_churn_rate_calculator capability. This function requires two inputs: the starting customer count and the ending customer count to determine the volume loss percentage.
- 07
What is NRR, and how does it account for growth?
NRR accounts for both losses and gains. You calculate this using the net_revenue_retention_calculator capability, providing the starting ARR, lost revenue value, and crucially, the expansion revenue from existing clients.
- 08
Does this system provide a general health score?
Yes. After running the core metrics, you must use the analyze_churn_health capability. This function compares your calculated rates against industry benchmarks (SaaS/ECommerce) to classify your company's overall retention health.
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Connect Churn Rate Calculator to Claude, Cursor, ChatGPT & more
