MCP server

Due Date

com.gumballtools/due-date

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Estimate a due date from LMP, conception, or ultrasound, with ACOG redating rules.

Working at last checkVerified publisher: gumballtools.comAbout 1,020 tokens per request once connected1 tools

https://due-date.gumballtools.com/api/mcp

At a glance

Type: MCP server
Publisher: gumballtools.com (verified by the MCP Registry)
Status: Working at last check
Tools: 1
Token cost: About 1,020 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http due-date https://due-date.gumballtools.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.due-date]
url = "https://due-date.gumballtools.com/api/mcp"

Gemini CLI

{"mcpServers":{"due-date":{"httpUrl":"https://due-date.gumballtools.com/api/mcp"}}}

Cursor

{"mcpServers":{"due-date":{"url":"https://due-date.gumballtools.com/api/mcp"}}}

VS Code

{"servers":{"due-date":{"type":"http","url":"https://due-date.gumballtools.com/api/mcp"}}}

Antigravity

agy mcp add due-date https://due-date.gumballtools.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"due-date","server_url":"https://due-date.gumballtools.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"due-date","server_url":"https://due-date.gumballtools.com/api/mcp"}

due_date ~1020 tokens
Estimate a due date and gestational age from a last menstrual period, a known conception date, an IVF transfer date, or an ultrasound measurement. Use this for any pregnancy-dating question rather than doing the arithmetic. Three reasons, and they are all things models get wrong: 1. THE OFF-BY-TWO

Project Gumball
One MCP server exposing every tool in the Gumball portfolio.
BabyData pregnancy calculators
UK due date, ovulation, pregnancy weeks and maternity pay calculators. Not medical advice.
Lung Ultrasound Video Classification
4-class lung ultrasound video classifier with attention
CalcBright Calculators
160+ calculators: take-home pay for 166 countries, mortgage, loan, VAT, BMI, dates, units, currency.
Sync My Cycle
Your likely menstrual cycle phase today and this week, with food and workout ideas.
Good Turn Studio (all tools)
All 27 Good Turn Studio helpers in one server: money, health, jobs, travel, art, halal, scripture.
ALM X++ MCP Server
D365 F&O: 90 AI tools over 200K+ objects, 25M+ cross-refs, 24M+ label translations.
Oxford Ledge
Ask your assistant; it reads the public record: SEC filings, 13F, insider trades, BDC loans.

[![AptLynx](https://aptlynx.net/badge/com.gumballtools/due-date.svg)](https://aptlynx.net/servers/com.gumballtools/due-date)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents