Bizdays runs on your own machine — the client starts it, so there is no endpoint to ping. 49 installs a week from npm. Last commit 22 Jun 2026.
Verified business-day math for AI agents: holidays + per-country weekends, not guesses.
Today is the operative word: we check Bizdays every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add bizdays -- npx -y @qinisolabs/bizdays
{
"mcpServers": {
"bizdays": {
"command": "npx",
"args": [
"-y",
"@qinisolabs/bizdays"
]
}
}
}
[mcp_servers.bizdays]
command = "npx"
args = ["-y", "@qinisolabs/bizdays"]
{
"mcpServers": {
"bizdays": {
"command": "npx",
"args": [
"-y",
"@qinisolabs/bizdays"
]
}
}
}
{
"servers": {
"bizdays": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@qinisolabs/bizdays"
]
}
}
}
Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402
Public holidays and working-day math for 200+ countries and regions, local weekends. No keys.
Business-day and public-holiday math for 29 countries: add business days, days between, holidays.
Time & date for AI agents — timezones, conversion, date math, diffs, cron, business days.
Owner-verified local business data for AI agents: profiles, hours, prices, with provenance.
Verified locale data for AI agents: dates, phone, currency, tax, holidays, addresses (UK/US)
Verified IBAN, card, ISBN-13 & VIN validation for AI agents — checksums, not guesses.
Free business data for AI agents. 11M+ businesses, 227 countries, phone/email/hours.
Answers built from our own checks of this server.