MCP connectors by com.apished

Exact character/word counting, reversal, palindrome checks, indexing, sorting; Unicode-safe.

Evaluates Reverse Polish Notation (postfix) expressions: arithmetic, trig, logs, bitwise ops.

Computes MD5, SHA1, SHA256, SHA512, and CRC32 digests from text, base64, or hex input.

Date arithmetic: day differences, business days, age, leap years, day-of-week, add/subtract.

Validates PESEL/NIP/REGON/IBAN/Luhn/ISBN/EAN/SWIFT-BIC/VAT; RPN calc, date math, hashing, tokens