dev.plumbkit/plumbkit

up checked 2026-11-11T03:37:44.949Z

Unclaimed · Unverified

Agent searches it appeared in, last 30 days: 0. Run this server? Claim the listing: verified label, uptime alerts and analytics.

Publisher-provided title

Plumbkit

Publisher-provided description

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.

Summary by lookupd

Provides exact utilities for dates, time zones, calculations, unit conversion, hashing and validation of emails, URLs, phones and IBANs.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http plumbkit https://plumbkit.dev/mcp

Codex, remote (streamable-http)

codex mcp add plumbkit --url https://plumbkit.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "plumbkit": {
      "url": "https://plumbkit.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (16 tools)

Publisher-provided text

• current_time Returns the exact current date, time, weekday and UTC offset in any time zone. Use this whenever you need to know today's date or the current time instead of gu
• convert_timezone Converts a date/time from one time zone to another, correctly handling daylight saving time. If the input already includes an offset or 'Z', from_timezone is ig
• date_add Adds or subtracts a duration (years, months, weeks, days, hours, minutes, seconds) to a date/time. Use negative numbers to subtract. Calendar-aware: adding 1 mo
• date_diff Calculates the exact time between two dates/times: a calendar breakdown (years, months, days, hours, minutes, seconds) plus totals in days, hours, minutes and s
• business_days Works with business (working) days. mode "add": returns the date N business days after start_date (start_date itself is not counted; negative N goes backward; 0
• calculate Evaluates an arithmetic expression exactly, so you don't have to do mental math. Supports + - * / % ^ (or **), parentheses, constants pi/e/tau and functions: sq
• convert_units Converts a value between units of length, mass, volume (US and imperial), area, speed, time, digital data (KB vs KiB, bits vs bytes), energy, pressure and tempe
• text_stats Counts exactly what language models are bad at counting: characters (as humans see them), words, lines, sentences, paragraphs, UTF-8 bytes, and occurrences of a
• hash_text Computes a cryptographic hash (SHA-1, SHA-256, SHA-384, SHA-512) of text, or encodes/decodes it as Base64, Base64URL, hex or URL-encoding. Text is treated as UT
• regex_test Runs a JavaScript regular expression against text and returns every match with its position and capture groups, or the text after replacement. Use it to verify
• validate_email Checks whether an email address is correctly formatted and returns a normalized version. Set check_dns=true to also confirm the domain exists and can receive ma
• validate_phone Validates a phone number using Google's libphonenumber rules and returns it in E.164 (+14155552671), international and national formats, plus the country and li
• validate_url Checks that a URL is well-formed, normalizes it (lowercase host, punycode, default ports removed, spaces encoded) and splits it into parts including each query
• validate_iban Validates an International Bank Account Number: country, length for that country, and the mod-97 check digits. Returns electronic and printed formats. A valid I
• json_repair Turns almost-JSON into valid JSON: removes markdown code fences, comments and trailing commas, adds missing quotes, commas and closing brackets, converts single
• json_schema_validate Checks a JSON value against a JSON Schema (drafts 4, 7, 2019-09 and 2020-12) and lists every violation with its location. Use it to confirm structured output or

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 278 ms
• First indexed: 2026-11-01T09:01:28.499Z
• Last seen in registry: 2026-11-01T09:01:28.499Z
• Website: https://plumbkit.dev

Badge for your README

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/dev.plumbkit/plumbkit.svg)](https://lookupd.com/servers/dev.plumbkit/plumbkit)

• 62071 servers
• Last crawl: 2026-11-11T16:39:06.253Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp