Cuelark Tools

Connect Remote server

claude mcp add --transport http tools https://tools.cuelark.com/mcp

{
  "mcpServers": {
    "tools": {
      "url": "https://tools.cuelark.com/mcp"
    }
  }
}

{
  "servers": {
    "tools": {
      "type": "http",
      "url": "https://tools.cuelark.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://tools.cuelark.com/mcp

Tools 15 found in our last check

• json

  Validate and pretty-print or minify JSON (errors give line and column), or convert JSON to YAML or CSV, or CSV to JSON.

• text

  Exact text facts models get wrong: word/character/grapheme counts, whether text fits X, SMS, meta title/description or custom:N limits (with a truncated version), letter frequency, case conversion, slugs, JavaScript regex matches and replacements, lorem ipsum, and OpenAI token c…

• dates

  Calendar math: days between dates, add days/weeks/months/years, exact age (with exam cut-offs), business days skipping public holidays (US federal by default; UK, EU, CA, AU, IN, SG, AE), a country's holiday list, and cron schedules in plain English.

• time

  Current time anywhere (with DST state and next clock change), convert a wall-clock time between zones, or convert Unix timestamps to and from dates. Accepts IANA zones or common names (ET, PT, UTC, London, IST).

• encode

  Base64 and URL encode/decode (UTF-8 safe), MD5/SHA-1/SHA-256/384/512 hashes, new UUID v4/v7 or ULID (or read a ULID's time), and decode a JWT's header and payload without verifying it.

• convert

  Unit conversion (imperial and metric: length, weight, volume, area, speed, temperature, data, pressure, energy), color hex/rgb/hsl, WCAG contrast ratio, numbers in words and $ or lakh/crore formats, Markdown to HTML, pixels vs print size at a DPI, and CGPA to percentage (officia…

• finance

  Monthly loan payment (EMI) with a yearly amortization summary, simple and compound interest (with monthly contributions), percentage math (of, what percent, change, add, subtract), and tax added to or removed from a price at a given rate (VAT, sales tax, or India GST with CGST/S…

• calculate

  Exact decimal arithmetic for an expression (no floating-point drift: 0.1+0.2 = 0.3; + − × ÷ ^ %, sqrt, ln, log, round, min, max, pi), summary statistics for a list of numbers, rounding with a chosen mode, and adult BMI from lb/in or kg/cm.

• income_tax

  Estimate income tax from official tables. us_federal: 2025 or 2026 IRS brackets, standard deduction (with 65+/blind extras) or itemized, by filing status. india: FY 2025-26 or 2026-27, new vs old regime with 87A rebate, surcharge and cess. Each answer cites its source.

• validate

  Check an identifier's format and check digit: US ABA routing number, EIN, SSN (format rules only), ZIP; card numbers (Luhn) and IBAN; India GSTIN, PAN, IFSC, UPI ID, Aadhaar (Verhoeff) and PIN code. Proves a value is well formed, not that it's registered. Nothing is stored.

• ifsc_lookup

  Bank, branch, address, MICR and NEFT/RTGS/IMPS/UPI support for an Indian IFSC code, from RBI's published lists via Razorpay's IFSC dataset.

• verify_links

  Check up to 20 URLs live: HTTP status, redirects, final URL, page title and canonical, and optionally whether each page contains a quote. Respects robots.txt and refuses private addresses.

• package_check

  Does this package exist (catches invented names)? Latest version, deprecation, license, repository, last publish, downloads, and the newest version matching a range. Ecosystems: npm, pypi, crates.

• verify_citation

  Check that a paper exists and get its canonical metadata (title, authors, year, venue, DOI link, retraction flag) by DOI, arXiv id, or title plus author. Uses Crossref, OpenAlex and arXiv. No abstracts.

• ui_component_lookup

  Search the ui.cuelark.com shadcn/ui registry (React components, blocks, themes) and get the shadcn CLI install command for each match.

Details

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• bv7x strategy agents

  Find bv7x prediction agents on Robinhood Chain by market; quote their sealed calls, sold via x402.

• Chronary

  Calendar API for AI agents: events, availability, Google/Microsoft setup, scheduling, and iCal.

• Mastering

  Audio mastering for AI agents: LUFS analysis, Suno artifact cleanup, free daily master.

• Modulos AI Governance Platform

  Evaluate Modulos (EU AI Act, ISO 42001, NIST AI RMF): capabilities, trust, comparisons. Book a demo.

• naulon

  Check citations and retractions by DOI, and see the x402 price an AI agent pays to cite a source.

• NextConstraint

  Your SaaS funnel's costliest leak, its fix, watchdog alerts and verdicts, from NextConstraint.