other

Compare two JSON objects and return structured diff. Shows added, removed, and changed fields with paths and values. Algorithmic.

Generate CI/CD workflow YAML for GitHub Actions. Supports multiple languages, frameworks, and deploy targets (Railway, Vercel, Fly).

Quick domain registration age lookup. Returns creation date, age in days, registrar, and expiry date. Useful for fraud detection — newly registered domains are higher risk.

Find the data protection authority (DPA) for any EU/EEA country. Returns name, website, complaint URL, contact info.

Decode a JWT token without verification. Returns header, payload, claims, expiry status, and time until expiry. Algorithmic.

Check HTTP response headers for security best practices: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns grade A-F.

Check work permit requirements by nationality and destination. Covers EU free movement, Schengen, Nordic rules.

Check if a specific date is a business day in a given country. Accounts for weekends and public holidays. Also returns the next business day if the given date is not one.

Generate test cases from a function description or signature. Includes happy path, edge cases, boundary tests, and error cases.

Given a domain, answer 'is this domain trustworthy?' — registration age, DNS, SSL, reputation score, and HTTP security headers.

Extract structured meeting notes from a transcript. Returns summary, decisions, action items with owners, key discussion points, follow-ups.

Validate an EORI (Economic Operators Registration and Identification) number against the EU customs validation service. Returns trader name and address if valid.

Convert an amount between currencies using ECB exchange rates. Supports all major currencies. Returns converted amount and rate.

Convert markdown to styled HTML with inline CSS. Supports light, dark, and plain themes. Algorithmic — instant.

Validate a European VAT number format against country-specific rules. Pure algorithmic — does NOT check VIES. Use vat-validate for full VIES verification. Supports all 27 EU countries + GB, CH, NO.

Explain an error message or stack trace in plain English. Identifies root cause, suggests fixes with code examples.

Calculate total employer cost and net salary estimate for 20+ countries. Includes social contributions, pension, income tax.

Explain any Incoterms 2020 rule. Returns seller/buyer obligations, risk/cost transfer points, suitability.

Validate a SWIFT/BIC code. Checks format, length, and country code. Extracts bank code, location, and branch. Pure algorithmic — instant and cheap.

Look up EU customs duty rates by HS code and origin country. Returns duty rate, preferential rates, anti-dumping status.

Look up UK beneficial ownership (UBO / PSC) information for a company. Returns individuals who ultimately own or control the entity, their ownership percentage, and the ownership chain. Uses Companies House Persons of Significant Control. UK-only — non-GB…

Draft a professional email. Specify context, intent (cold outreach/follow-up/apology/etc), and tone. Returns subject line options, body, and key phrases.

Parse a free-text address into structured components. Returns street, city, postal code, state/province, country. Works with addresses worldwide.

Deduplicate a JSON array of objects using fuzzy string matching (Levenshtein + token sort). Specify match fields and threshold.