Menstrual Cycle Calculator MCP for AI Agents. Know Your Body's Timeline, Day by Day.

Q: How does the Menstrual Cycle Calculator MCP find my fertile window?

The getfertilewindow tool calculates this by analyzing your historical period data and cycle averages to identify the most biologically likely time for conception.

Q: Can I use getcyclephases if my cycle length changes a lot?

Yes. While you provide an average, the getcyclephases tool uses that baseline data to map out the expected progression through all four phases accurately.

Menstrual Cycle Calculator MCP tracks your reproductive health timeline by predicting cycle phases and identifying fertile windows using simple inputs like last period start dates and average duration. It helps you see Menstrual, Follicular, Ovulatory, and Luteal phases in action, giving you a clear roadmap of what’s coming next.

Claude

ChatGPT

Cursor

Gemini

Windsurf

VS Code

JetBrains

Vercel

See Vinkius in Action

Give Claude and any AI agent real-world access

Map all cycle phases

Retrieves a detailed timeline showing the progression through the Menstrual, Follicular, Ovulatory, and Luteal periods.

Pinpoint fertile dates

Identifies the specific date range when conception is most likely based on your cycle data.

Forecast major milestones

Provides a quick look at key upcoming events, like ovulation or the next period start date.

Ask an AI about this

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AI Agent

MCP Server

What AI agents can do with Menstrual Cycle Calculator: 3 Tools

These tools let you calculate specific biological timelines for your menstrual cycle—from tracking phases to pinpointing the most fertile days.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Menstrual Cycle Calculator MCP

Get Cycle Phases

Retrieves a detailed timeline showing all four biological phases for the upcoming cycle.

Get Fertile Window

Identifies the specific date range when conception is most likely.

Predict Next Period Event

Provides a quick look at the next major milestones in your cycle, like ovulation or...

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Menstrual Cycle Calculator MCP is compatible with Claude

Claude AI

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

Start a conversation

Open a new chat. The Menstrual Cycle Calculator integration is available immediately — no restart needed.

Antigravity

Configure Agent Environment

Open your Antigravity agent's workspace configuration or mcp-servers.json file.

Bind the Endpoint

Add the Vinkius endpoint URL to your agent's MCP connections list:

"mcp_servers": {
  "menstrual-cycle-calculator": {
    "serverUrl": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
  }
}

Provide your secure token in place of [YOUR_TOKEN_HERE] to ensure your agent requests are authenticated.

Execute

Start your Antigravity session. The agent will autonomously discover and utilize the Menstrual Cycle Calculator tools with full Vinkius guardrails applied.

Menstrual Cycle Calculator MCP is compatible with VS Code

VS Code Copilot

⚡

One-Click Install (Recommended)

In your Vinkius Dashboard, simply click the Add to VS Code button for this server. We'll automatically configure your local workspace.

Or configure manually

Open MCP Settings

Open VS Code, press Ctrl/Cmd + Shift + P, and search for GitHub Copilot: MCP Servers.

Add Server Config

Add the Vinkius endpoint configuration to your mcp-servers.json file:

"menstrual-cycle-calculator": {
  "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
}

Ensure you replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.

LangChain

Install Dependencies

Install the LangChain MCP adapters for your environment:

pip install langchain-mcp-adapters

Connect the Server

Use the SSEClient in LangChain to connect to the Vinkius managed endpoint:

from langchain_mcp_adapters.client import SSEClient

# Connect to Vinkius
client = SSEClient(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
tools = client.get_tools()

CrewAI

Define the Tool

Load the Vinkius MCP tools into your CrewAI agents:

from crewai import Agent
from mcp_crewai import MCPTool

# Connect securely to Vinkius
vinkius_tools = MCPTool(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")

# Assign to Agent
researcher = Agent(
    role='Data Researcher',
    tools=vinkius_tools.get_all()
)

Execute Task

Run your CrewAI process. The agent will autonomously route tasks to the Vinkius managed server.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

Import from OpenAPI, Swagger, or YAML specs
Create Agent Skills with progressive disclosure
Deploy to edge with MCPFusion framework
Built in DLP, auth, and compliance on each call
Real time usage dashboard and cost metering
Publish to catalog or keep private

Start building

Make Your AI Do More

Start with Menstrual Cycle Calculator, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

Use this MCP plus 5,200+ others, all in one place
Add new capabilities to your AI anytime you want
Connections are secured and governed automatically
Track usage and costs across all your servers
Works with Claude, ChatGPT, Cursor, and more
New servers added to the catalog weekly

VINKIUS INFRASTRUCTURE

Cloud Hosted

Managed infra

V8 Isolated

Sandboxed per request

Zero-Trust Proxy

No stored credentials

DLP Enforced

Policy on each call

GDPR Compliant

EU data residency

Token Compression

~60% cost reduction

Your data is protected. See how we built it.

The Cycle of Guesswork: Predicting Your Period Solved with Vinkius AI Gateway

Right now, predicting your cycle involves a lot of guesswork. You might look at general online calendars or cross-reference multiple symptoms across different apps. This means constant checking, comparing vague estimates, and spending time trying to reconcile when things *should* happen versus when they actually do.

With this MCP, that manual effort disappears. Just give your agent the start date of your last period and your usual cycle length. You instantly get a detailed map showing every phase—Menstrual, Follicular, Ovulatory, Luteal—and exactly where you stand in relation to conception.

Predicting Milestones with the Menstrual Cycle Calculator MCP

You no longer have to manually calculate the window when ovulation is expected, or spend time checking if your cycle length was normal enough. The tools handle that complex date math for you.

The result is a clear timeline: knowing exactly when your fertile window opens and closes. It's simple, precise, and it gives you actionable information immediately.

Support 24/7 support@vinkius.com ↗

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SLA Service Level Agreement ↗

Report Listing Send Report ↗

menstrual-cycle

fertility

health-tracking

ovulation

reproductive-health

What your AI can actually do with this

Knowing when your body is going through its cycle isn't just about logging days; it's about understanding biological patterns. This MCP provides a precise way to map out the key phases of your cycle—Menstrual, Follicular, Ovulatory, and Luteal. Instead of guessing or relying on vague calendar estimates, you feed in basic data like when your last period started and how long your cycles usually run.

Your agent then calculates detailed timelines for all four phases, pinpoints the exact dates when conception is most likely (the fertile window), and gives you a forecast for upcoming milestones like ovulation. By connecting this MCP via Vinkius, your AI client takes over the complex math, giving you actionable insights instantly.

You get a clear picture of what's happening inside your body without doing any heavy lifting.

Built · Hosted · Managed by Vinkius Menstrual Cycle Calculator - Track Cycles & Fertility

Server ID 019efaf6-7961-7383-a53c-d3d80055ff8e

Vinkius Inspector

Compliance Grade A+

Score 100/100

Report View Report ↗

What Changes When You Connect

Pinpoint your fertile window precisely. Instead of a general estimate, the get_fertile_window tool identifies the exact date range when conception is most likely based on historical data.

Understand all four cycle phases at once. The get_cycle_phases tool maps out the full journey—Menstrual, Follicular, Ovulatory, and Luteal—giving you a complete picture of your body's rhythm.

Stop guessing about future periods. Use predict_next_period_event to get early estimates for upcoming milestones like ovulation or when your next period is due.

Keep records accurate and fast. Your AI client handles the complex date math, letting you track changes in cycle length without manual calculation errors.

Better planning around health goals. Whether it's tracking symptoms or scheduling appointments, having a precise timeline from this MCP helps you plan effectively.

See it in action

01 01

Tracking cyclical changes

A user wants to know what phase they are in right now. They ask their agent: 'What are the phases of my current cycle starting from 2024-06-10 with a 30-day duration?'. The system uses get_cycle_phases and returns the Menstrual, Follicular, Ovulatory, and Luteal phases for that period.

02 02

Planning conception timing

A couple needs to know when they should focus their efforts. They ask: 'When is my next fertile window if my last period started on 2024-05-01 and my cycle is 28 days?'. The agent runs get_fertile_window and provides the specific date range.

03 03

Forecasting future periods

A user needs a reminder for their next expected period. They input: 'Predict my next period event based on a last period start date of 2024-01-15 and a 28-day cycle.'. The agent uses predict_next_period_event to give them the predicted dates.

04 04

Analyzing historical data

A researcher needs to build content around different body cycles. They use get_cycle_phases multiple times, feeding in various start dates and durations to map out varied biological timelines for comparison.

The honest tradeoffs

What to watch out for, and the recommended way to handle each one.

Using it for symptom logging

Avoid

The user tries to input mood swings or headache severity into the cycle calculation, thinking it will help predict symptoms.

Instead

This MCP only calculates biological timing. You should use a dedicated habit tracker tool for symptom logging; rely on get_cycle_phases for phase mapping and dates.

Confusing cycles with ovulation

Avoid

Assuming that the predicted ovulation date is the same as the fertile window end date.

Instead

The system uses two distinct tools. Use get_fertile_window to find the entire conception range, and use predict_next_period_event for general milestone forecasting.

Ignoring cycle variation

Avoid

Inputting only one single historical period date without mentioning average duration.

Instead

Always provide both the last period start date and the average cycle length to ensure accurate results from get_fertile_window.

When It Fits, When It Doesn't

Use this MCP if your core need is predictive biological timing—specifically mapping out the four distinct phases of your menstrual cycle, pinpointing fertile ranges, or forecasting period start dates. If you are tracking general symptoms (like mood changes or specific physical pains), this tool won't help; use a dedicated symptom logger instead. Don't use it if you need to calculate anything other than cyclical timing, such as hormone level charting or generalized wellness scores. When in doubt, always check the difference between get_fertile_window (which gives a range) and predict_next_period_event (which forecasts single milestones).

Questions you might have

How does the Menstrual Cycle Calculator MCP find my fertile window? +

The get_fertile_window tool calculates this by analyzing your historical period data and cycle averages to identify the most biologically likely time for conception.

Can I use get_cycle_phases if my cycle length changes a lot? +

Yes. While you provide an average, the get_cycle_phases tool uses that baseline data to map out the expected progression through all four phases accurately.

What is the difference between get_fertile_window and predict_next_period_event? +

The fertile window identifies the specific dates when conception is possible. The predict_next_period_event tool gives a broader forecast of upcoming milestones, like ovulation or your next period start.

Do I need to provide my age for Menstrual Cycle Calculator MCP? +

No. This MCP relies solely on historical period data and cycle duration; personal details like age aren't required for the calculation itself.

Give Claude and any AI agent real-world access

What AI agents can do with Menstrual Cycle Calculator: 3 Tools

Get Cycle Phases

Retrieves a detailed timeline showing all four biological phases for the upcoming cycle.

Get Fertile Window

Identifies the specific date range when conception is most likely.

Predict Next Period Event

Provides a quick look at the next major milestones in your cycle, like ovulation or...

Security and governance baked right in.

Claude AI

Open Claude Settings

Add Custom Connector

Start a conversation

Claude Code

Open your terminal

Add the MCP Server

Start coding

Cursor

One-Click Install (Recommended)

Open Cursor Settings

Add New Server

Use in Composer

Antigravity

Configure Agent Environment

Bind the Endpoint

Execute

VS Code Copilot

One-Click Install (Recommended)

Open MCP Settings

Add Server Config

Windsurf

One-Click Install (Recommended)

Open Windsurf Settings

Add Server Endpoint

LangChain

Install Dependencies

Connect the Server

CrewAI

Define the Tool

Execute Task

Choose How to Get Started

Build Your Own

Make Your AI Do More

The Cycle of Guesswork: Predicting Your Period Solved with Vinkius AI Gateway

Predicting Milestones with the Menstrual Cycle Calculator MCP

menstrual-cycle

fertility

health-tracking

ovulation

reproductive-health

What your AI can actually do with this

Here's how it actually works

Who is this actually for?

What Changes When You Connect

Tracking cyclical changes

Planning conception timing

Forecasting future periods

Analyzing historical data

The honest tradeoffs

Using it for symptom logging

Confusing cycles with ovulation

Ignoring cycle variation

When It Fits, When It Doesn't

Questions you might have