turul-a2a

Echo the input string in uppercase.

Reverse the input string character-by-character.

Evaluate a value against a list of deterministic rule-based invariants.

Validate a value against a JSON Schema 2020-12; return verdict + first violation.

Sum two numbers.

Join an array of strings with single spaces.

Square the input integer.

Report the running TerminalHook counter state (read-only).

Greet a named user in a chosen style.