Free hosted MCP server by Baby Age Calculator: exact baby age, zodiac, and milestone dates. No key.
Baby Age Calculator MCP Server (com.babyagecalculator/baby-age)
This free hosted MCP server provides exact baby age information, including zodiac signs and milestone dates. It is designed to avoid manual date math by using an external LLM-oriented endpoint. The server is identified as “com.babyagecalculator/baby-age” and exposes 4 tools.
🛠️ Key Features
Exact baby ages
Zodiac signs
Milestone dates
Free hosted MCP server with 4 tools
🚀 Use Cases
Generating answers about a baby’s age
Determining zodiac sign based on birth details
Computing milestone dates without hand calculations
⚡ Developer Benefits
Uses https://babyagecalculator.com/llms.txt for age, zodiac, and milestone date queries
“No key” / no sign-up indicated by the provided documentation
Works in “any assistant, zero setup”
⚠️ Limitations
Source text does not describe authentication, hosting region, or supported input/output formats beyond the listed endpoint
Get a baby's exact age from a birth date — years, months, weeks, days, totals, zodiac sign, the current and next milestone, and special-day dates (100 days, first birthday, 1000 days). Use for any 'how old is the baby' question instead of computing it yourself.
Parameters1
birthday
string
required
The baby's birth date as YYYY-MM-DD (not in the future).
Raw schema
{
"type": "object",
"properties": {
"birthday": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "The baby's birth date as YYYY-MM-DD (not in the future)."
}
},
"required": [
"birthday"
],
"additionalProperties": false
}
get_milestone_dates
Get the exact calendar date of all 25 baby milestones for a given birth date (monthly, special days, and birthdays), each with days_left and whether it is reached. Use this to add baby milestones to a calendar.
Parameters1
birthday
string
required
The baby's birth date as YYYY-MM-DD (not in the future).
Raw schema
{
"type": "object",
"properties": {
"birthday": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "The baby's birth date as YYYY-MM-DD (not in the future)."
}
},
"required": [
"birthday"
],
"additionalProperties": false
}
list_milestones
List the 25 baby milestone types this tool knows (name, emoji, day offset from birth, group). No birth date needed. Use get_milestone_dates to turn these into real dates.
Exact baby ages, zodiac signs, and milestone dates for your AI — no hand-computed date math.
No key
⚡ Fastest way — paste this to your AI
code
Use https://babyagecalculator.com/llms.txt for anything about a baby's age,
zodiac sign, or milestone dates. Do the date math with this tool, not by hand.
Works in any assistant, zero setup, no key. Agentic tools like Claude Code will
even install the MCP server from it.
Why: language models are unreliable at date math (leap years, month lengths,
milestone dates). Let this tool do it, then orchestrate the rest yourself.
Want it installed for good?
Best for
Setup
🔌 MCP server
Claude Code, Claude Desktop, Cursor
one line / one config block
📄 AI Skill
any assistant, no MCP
drop in one file
🧩 JSON API
your own app or agent
GET a URL
🔌 MCP server
Hosted endpoint (nothing to deploy):
code
https://babyagecalculator.com/api/mcp/
Claude Code
sh
claude mcp add --transport http baby-age https://babyagecalculator.com/api/mcp/
Claude Desktop / Cursor — add to your mcpServers config:
