Exact Japanese text & date tools: char count, business days with JP holidays, era, tax, units.
Connect Remote server
claude mcp add --transport http kitbench https://kitbench.net/mcp
{
"mcpServers": {
"kitbench": {
"url": "https://kitbench.net/mcp"
}
}
}
{
"servers": {
"kitbench": {
"type": "http",
"url": "https://kitbench.net/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://kitbench.net/mcp
Tools 7 found in our last check
count_charactersCount characters in a text exactly as KitBench's character counter does. Counts user-perceived characters (grapheme clusters: emoji sequences, combining marks and flags count as 1), plus counts excluding newlines and whitespace, half-width characters counted as 0.5, lines, parag…
days_betweenCount the days between two dates: total days (optionally including the start day), weeks and days, years/months/days, Japanese business days (excluding weekends and Japanese national holidays from the Cabinet Office list) and weekdays (Mon-Fri). Exact calendar arithmetic, no tim…
add_daysFind the date N days (or N business days) after or before a date, with its weekday and Japanese era date (wareki). unit "business" skips Saturdays, Sundays and Japanese national holidays; "weekdays" skips only weekends. Good for deadlines in Japan. N from 0 to 100,000.
calculate_ageCalculate exact age from a birth date: age in years, years/months/days, Japanese kazoedoshi (traditional age), days since birth, next birthday and days until it, weekday of birth, Japanese era (wareki) of the birth date and the zodiac animal (eto). February 29 birthdays move to…
convert_japanese_eraConvert between Western (Gregorian) dates and Japanese era dates (wareki: Meiji, Taisho, Showa, Heisei, Reiwa), using exact era start dates and "gannen" (元年) for year 1. Give either date (YYYY-MM-DD), or wareki such as "令和元年5月1日" / "R1.5.1", or era + year + month + day. Rejects…
consumption_taxCalculate Japanese consumption tax with exact integer arithmetic: tax-excluded to tax-included or tax-included to tax-excluded, at 10% (standard), 8% (reduced) or any rate from 0 to 100 with up to 2 decimals, rounding down (floor, default), half up (round) or up (ceil). Returns…
convert_unitsConvert units with official exact factors (NIST etc.), including Japanese units (tsubo, jo/tatami, shaku, sun, go, Japanese cups and spoons), temperature and fuel economy. Returns the exact result, a rounded display value, the factor, and extras such as feet-and-inches, inch fra…
Details
| Endpoint | https://kitbench.net/mcp (Streamable HTTP) |
| First published | 8 Oct 2026 |
| Last updated | 8 Oct 2026 |
| Registry name | net.kitbench/kitbench |
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