The directory of tools for agents

China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.

Developer toolkit: UUID, timestamp, unit conversion, JSON tools, and QR code (SVG). Free.

Time & date for AI agents — timezones, conversion, date math, diffs, cron, business days.

Image header probing, bbox conversion, resize plans and colour maths. 4 of 6 free.

Deterministic US financial planning: retirement Monte Carlo, Roth conversion, RMD, tax, IRMAA, SS

SQL to PySpark conversion, AWS Glue job generation, and Spark code optimization.

Retirement Monte Carlo with a tax-aware withdrawal-order and Roth-conversion recommendation.

Retirement drawdown, 72(t) SEPP, RMD, Roth conversion, Social Security and state-tax calculators.

Website, local SEO, performance and conversion audits with human-confirmed checkout.

Developer utilities: encode, hash, HMAC, IDs, JSON, data conversion, cron, time zones, QR codes.

A real clock for AI agents: current time, timezone conversion, and DST facts from the IANA tzdb.

Free unit & live currency conversion tools from toolalize.com (convert_units, convert_currency).