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Utilities

local

utils

Everyday utility tools: calculator, UUID, hashing, base64, JWT decode, regex test, timezone convert.

Included in every Nova Skills API key. Nothing to install — get a bearer token and this skill is available on your MCP endpoint.

Tools (7)

  • calc
    Evaluate a mathematical expression. Supports +, -, *, /, %, **, parentheses, Math.* functions.
  • uuid
    Generate one or more UUIDv4 identifiers.
  • hash
    Compute cryptographic hash (sha256, sha1, md5, sha512) of a string.
  • base64
    Encode or decode base64.
  • jwt_decode
    Decode a JWT (header + payload) without verifying the signature. Useful for inspecting tokens.
  • regex_test
    Test a regex pattern against text. Returns matches with capture groups.
  • timezone_convert
    Convert a date/time between timezones. Uses IANA timezone names (e.g. 'America/New_York', 'Asia/Kolkata', 'Europe/London').