date_diff
date diff
io.github.jowendelapena/date-math
Date/time math for agents: business days, holidays, time zones, cron, RRULE. 25 free calls/day.
transport:streamable-http
runtime:npm
tools:13
Target client
run in your project directory
claude mcp add --transport http date-math https://date-math.datemath.workers.dev/mcpsetup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
date_add
date add
timezone_convert
timezone convert
date_info
date info
public_holidays
public holidays
working_hours_overlap
working hours overlap
cron_schedule
cron schedule
parse_date_text
parse date text
city_time
city time
recurring_dates
recurring dates
business_hours_deadline
business hours deadline
business_day
business day
pay_dates
pay dates
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.