Business Days and Holidays for Claude.ai

app.openkrill/business-days

Count working days between two dates, add business days to a date, or list public holidays.

client:Claude.ai transport:streamable-http tools:6

Install Business Days and Holidays in Claude.ai

Settings → Connectors → Add custom connector

https://businessdays.openkrill.app/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

count_business_days
add_business_days
list_holidays
submit_feedback
get_feedback_reply
index_tools

Business Days and Holidays in other clients

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Claude Desktop
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VS Code
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Grok
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Business Days and Holidays MCP server