dev.tanod/util

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Publisher-provided title

Developer Utilities & Validators (Tanod)

Publisher-provided description

Cloud GPU prices per hour, plus developer helpers: hash, HMAC, JWT, IDs, JSON, cron, time zones.

Summary by lookupd

Offers developer helpers for hashing, HMAC signing, JWT decoding, ID generation, format conversion, scheduling, and time zone math.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http util https://tanod.dev/mcp/util

Codex, remote (streamable-http)

codex mcp add util --url https://tanod.dev/mcp/util

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

{
  "mcpServers": {
    "util": {
      "url": "https://tanod.dev/mcp/util"
    }
  }
}

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

Tools (showing 30 of 40)

Publisher-provided text

• text_encode utilpeek: Encode or decode text: base64, hex, URL, punycode, JWT decode, ... For digests use hash_text; for a JWT's claims use decode_jwt. Returns the text enco
• hash_text utilpeek: Hash text or bytes: sha256, keccak256, blake2b, md5, crc32, ... For a keyed HMAC use hmac_sign_verify. Returns hex digests of the text (as UTF-8) or b
• hmac_sign_verify utilpeek: Returns the HMAC of a message under a shared key (sign), or whether a signature matches it in constant time (verify); handles GitHub (`sha256=` prefix
• generate_ids utilpeek: Generate UUIDs or ULIDs. For numbers, bytes and picks use generate_random. Returns 1-100 new identifiers: random UUID v4, time-ordered UUID v7 (RFC 95
• generate_random utilpeek: Generate cryptographically strong random numbers, bytes, UUIDs, dice rolls, picks and shuffles. For UUIDs and ULIDs use generate_ids. Returns values f
• validate_json utilpeek: Validate JSON against a JSON Schema. To pull JSON out of prose use extract_json_with_schema; to convert formats use convert_data. Returns whether a JS
• convert_data utilpeek: Convert data between JSON, YAML, CSV, TOML and XML. To check JSON against a schema use validate_json. Returns the document converted from json, yaml,
• validate_identifier utilpeek: check the format and check digits of an identifier. For a VIN's vehicle use decode_vin; for phone numbers use parse_phone_number. Returns `valid`, `re
• parse_phone_number utilpeek: parse and format a phone number. For a prefix's country and network use lookup_phone_prefix. A string that is not a phone number, or a national form w
• lookup_phone_prefix utilpeek: Look up a phone number prefix: country, line type and original network, with ambiguity. To parse a full number use parse_phone_number. Returns the cou
• parse_user_agent utilpeek: parse a User-Agent string. For known x402 monitors and indexers with call rates use identify_x402_client. A User-Agent is self-reported and easy to fa
• parse_url utilpeek: parse a URL. To fetch the page use render_page. The URL is parsed, never fetched. Public-suffix split from the Public Suffix List snapshot bundled wit
• cron_next_runs utilpeek: the next run times of a cron expression. For iCalendar RRULEs use expand_rrule. Standard 5-field cron (minute hour day-of-month month day-of-week) or
• convert_time utilpeek: convert one instant between time zones. For business days use count_or_add_business_days. Zones come from the pinned IANA tz database (tzdata package)
• get_public_holidays utilpeek: public holidays of a country for a year. To count working days use count_or_add_business_days. An unsupported country, subdivision, language or year i
• count_or_add_business_days utilpeek: Count business days between two dates or add working days, skipping public holidays. For the holiday list use get_public_holidays. Returns the busines
• convert_units utilpeek: Convert units of measurement: length, weight, temperature, volume, pressure, energy, data size. For numbers in words use text_numbers. Returns a value
• convert_color_check_contrast utilpeek: Convert a color between hex, RGB, HSL and OKLCH and check WCAG contrast. For contrast alone use check_wcag_contrast. Returns a CSS color (hex, rgb(),
• check_wcag_contrast utilpeek: Check the WCAG contrast between a text color and a background color. To convert colour formats too use convert_color_check_contrast. Returns the WCAG
• geocode utilpeek: offline geocoding over the GeoNames cities15000 table. For places of a kind nearby use find_places_nearby. Input: either `place` alone or `lat` and `l
• make_qr_code utilpeek: make a QR code image. For 1-D barcodes use make_barcode; to read a code use read_qr_barcode. Returns `svg` (text) or `data_base64` (PNG), or with `out
• make_barcode utilpeek: make a 1-D barcode image. For QR codes use make_qr_code; to find the product behind a number use lookup_barcode_product. Returns `svg` (text, with wid
• read_qr_barcode imagepeek: Read every QR code and barcode in an image. To make a QR code use make_qr_code; for other text use ocr_image. Returns every code found: `type` (QR, E
• peppol_lookup utilpeek: Check whether a company is registered on the Peppol e-invoicing network. For the legal entity use search_lei. Returns whether a Peppol participant ID
• lint_x402_listing utilpeek: Lint an x402 listing, or check a seller's Bazaar coverage. For price position, preflight and demand too use x402_seller_report. Returns in mode lint t
• check_header_budget utilpeek: Measure response headers against nginx, aiohttp, Node fetch and Python limits. Returns response-header byte sizes, total, Set-Cookie count and size, t
• build_ics_event utilpeek: Build an iCalendar file from JSON events. To read an .ics file use parse_ics. Returns RFC 5545 VCALENDAR text built from 1-50 events, CRLF lines folde
• parse_ics utilpeek: Parse an iCalendar file into JSON events. To write one use build_ics_event. Returns iCalendar text (Google, Outlook, Apple, up to 1 MB) unfolded and r
• expand_rrule utilpeek: Expand an iCalendar RRULE into dates. For cron use cron_next_runs; to build an event use build_ics_event. Returns an RFC 5545 RRULE and a start expand
• decode_jwt utilpeek: Decode a JWT without verifying it. To check the signature use verify_jwt. Returns a compact JWT split into its header and payload JSON, with alg, typ,

Details

• Version: 0.1.3
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 2123 ms
• First indexed: 2026-11-01T09:01:42.623Z
• Last seen in registry: 2026-11-09T14:17:23.875Z
• Repository: https://github.com/tanod-labs/tanod-mcp
• Website: https://tanod.dev

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