MCP server

Baby Age

com.babyagecalculator/baby-age

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Free hosted MCP server by Baby Age Calculator: exact baby age, zodiac, and milestone dates. No key.

Working at last checkVerified publisher: babyagecalculator.comAbout 663 tokens per request once connected5 tools

https://babyagecalculator.com/api/mcp/

At a glance

Type: MCP server
Publisher: babyagecalculator.com (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 663 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 28 Oct 2026, 09:03 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 baby-age https://babyagecalculator.com/api/mcp/

Claude Desktop

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

Codex (config.toml)

[mcp_servers.baby-age]
url = "https://babyagecalculator.com/api/mcp/"

Gemini CLI

{"mcpServers":{"baby-age":{"httpUrl":"https://babyagecalculator.com/api/mcp/"}}}

Cursor

{"mcpServers":{"baby-age":{"url":"https://babyagecalculator.com/api/mcp/"}}}

VS Code

{"servers":{"baby-age":{"type":"http","url":"https://babyagecalculator.com/api/mcp/"}}}

Antigravity

agy mcp add baby-age https://babyagecalculator.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":"baby-age","server_url":"https://babyagecalculator.com/api/mcp/","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"baby-age","server_url":"https://babyagecalculator.com/api/mcp/"}

get_baby_age ~158 tokens
Get a baby's exact age from a birth date - years, months, weeks, days, totals, zodiac sign, birthstone, 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.
get_birthstone ~167 tokens
Get the full birthstone guide for a birth date's month: every stone (some months have three) with colors, hardness, sources and story, plus meaning for the baby, keepsake ideas, a safety note, the month's zodiac signs, quick answers, and a guide link. Always pass on the safety note with keepsake ide
get_milestone_dates ~142 tokens
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.
get_zodiac_sign ~112 tokens
Get the zodiac sign (Western astrology) for a birth date, with element, nickname, date range, and a guide link.
list_milestones ~84 tokens
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.

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