Utilities MCP servers

Fair random picks with the wheel in your chat: pick names, split teams, run certified draws.

Validate emails, phones, IBAN, VAT; look up IPs and companies; rates, holidays, time via Abstract.

Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes).

U.S. federal holidays with observed dates and business-day math. Example from an open-source kit.

Find the organization behind a MAC address or OUI prefix in the IEEE registries. No auth, no key.

Generate barcodes and QR codes in 35 symbologies: QR, Data Matrix, PDF417, EAN-13, Code 128, more.

Hebrew translation that keeps prices, names and dates exact, RTL display, nikud, clinical Hebrew.

Vehicle routing, 3-D packing, cutting stock, rostering and knapsack with OR-Tools. 7 of 11 free.

86 tools: JSON repair, CSV, hashes, cron, dates, units, validators. 25 free calls.

17 tools: weather, time zones, sun and moon, earthquakes, countries. 25 free calls.

IBAN, ISIN, VAT/tax ID, GTIN validation; timezone, geo, text, chain utilities. Pay per call

Should I allow this text? Profanity and toxicity checks that are hard to fool, with the evidence.

WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.

Validate and explain cron expressions; list next/previous run times in any time zone, DST-aware.

Free static QR codes (PNG or SVG) that never expire, for URLs, WiFi, vCards and text. No account.

UK solar PV and heat pump calculators, with guides, on one server. Follows the MCS methods. No key.

UK solar PV and heat pump calculators that follow the published MCS methods. Open, no key.

NEC 2023 electrical calculators: wire size, ampacity, voltage drop, conduit fill, box fill, load.

Parse a User-Agent: browser, OS, device, plus bot, search crawler, AI crawler and AI agent flags.

Free, no sign-in: favicons, web to Markdown, CSV to chart, text to speech, time zones, passwords.

Create four-digit short URLs for TV and console browsers. Free beta, no account or API key.

Thermal label MCP server: render, validate, debug and convert ZPL, EPL, TSPL and CPCL labels.

Live US retail electricity plans, utility price-to-compare rates, ZIP-to-utility lookup. Read-only.

Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 47 tools.

Count workdays, office days and PTO days, or list bank holidays and school breaks.

69 free finance, military, school and everyday calculators as MCP tools.

49 MCP tools free (rate-limited) + x402 pay-per-call on Base. Flagship: Token Verdict, $0.02.

More than a hundred everyday tools: PDFs, images, text, data, calculators, dice and currency.