Validates PESEL/NIP/REGON/IBAN/Luhn/ISBN/EAN/BIC/VAT; RPN, dates, hash, tokens, random, encode, time
Free
11 servers across developer tools & repos, other and ai & agents. The largest is APIShed.
Developer Tools & Repos · Other · AI & Agents
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11 MCP servers. 11 of 11 are free to start.
Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.
Free
Returns the actual current date/time in a given format and IANA timezone.
Free
Date arithmetic: day differences, business days, age, leap years, day-of-week, add/subtract.
Free
Computes MD5, SHA1, SHA256, SHA512, and CRC32 digests from text, base64, or hex input.
Free
Validates Polish PESEL, NIP, and REGON checksums; PESEL also decodes birth date and sex.
Free
Generates cryptographically random integers in a given range, using crypto/rand.
Free
Regex matching, email/URL format validation, and JSON Schema validation.
Free
Evaluates Reverse Polish Notation (postfix) expressions: arithmetic, trig, logs, bitwise ops.
Free
Exact character/word counting, reversal, palindrome checks, indexing, sorting; Unicode-safe.
Free
Counts tokens under OpenAI-compatible (tiktoken) encodings, by model or encoding name.
Free
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0 of 11 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
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Listed without a verification tick. Read the listing before installing.