MCP server

Kitbench Official

net.kitbench/kitbench

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Exact Japanese text & date tools: char count, business days with JP holidays, era, tax, units.

Website

At a glance

Type

MCP server

Publisher

kitbench.net (verified by the MCP Registry)

Status

Working at last check

Tools

7

Token cost

About 2,547 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http kitbench https://kitbench.net/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.kitbench]
url = "https://kitbench.net/mcp"

Gemini CLI

{"mcpServers":{"kitbench":{"httpUrl":"https://kitbench.net/mcp"}}}

Cursor

{"mcpServers":{"kitbench":{"url":"https://kitbench.net/mcp"}}}

VS Code

{"servers":{"kitbench":{"type":"http","url":"https://kitbench.net/mcp"}}}

Antigravity

agy mcp add kitbench https://kitbench.net/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"kitbench","server_url":"https://kitbench.net/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"kitbench","server_url":"https://kitbench.net/mcp"}

Tools

• add_days ~319 tokens
  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 Saturdays, Sundays and Japanese national holidays; "weekdays" skips only weekends. Good for deadlines in Japan. N from 0 to 100,000.
• calculate_age ~266 tokens
  Calculate 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 March 1 in non-leap y
• consumption_tax ~304 tokens
  Calculate 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 the tax amount, both
• convert_japanese_era ~308 tokens
  Convert 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 dates that do not exi
• convert_units ~796 tokens
  Convert 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 fractions (1/16) and pou
• count_characters ~256 tokens
  Count 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, paragraphs, Japanese manus
• days_between ~298 tokens
  Count 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 time zones. Dates 1873-0

Browse

• Calendars

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