Categories › Software Development › Converters, validators, encoders & small utilities
Exact Japanese text & date tools: char count, business days with JP holidays, era, tax, units.
Remote server: your requests and data go to kitbench.net. Claude Code: claude mcp add --transport http kitbench https://kitbench.net/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
count_characters — Count characters in a text exactly as KitBench's character counter does. Counts user-perceived characters (grapheme clusters: emoji sequencedays_between — Count the days between two dates: total days (optionally including the start day), weeks and days, years/months/days, Japanese business daysadd_days — Find the date N days (or N business days) after or before a date, with its weekday and Japanese era date (wareki). unit "business" skips Satcalculate_age — Calculate exact age from a birth date: age in years, years/months/days, Japanese kazoedoshi (traditional age), days since birth, next birthdconvert_japanese_era — Convert between Western (Gregorian) dates and Japanese era dates (wareki: Meiji, Taisho, Showa, Heisei, Reiwa), using exact era start dates consumption_tax — Calculate Japanese consumption tax with exact integer arithmetic: tax-excluded to tax-included or tax-included to tax-excluded, at 10% (stanconvert_units — Convert units with official exact factors (NIST etc.), including Japanese units (tsubo, jo/tatami, shaku, sun, go, Japanese cups and spoons)Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.