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JavaScript/Node.js utility. Returns `true` if the value is a number or string number. Useful for checking regex match results, user input, parsed strings, etc.

  • number
  • is
  • isnan
  • javascript

Zero-dependency Go input validation, in-place normalization, and JSON Schema generation from struct tags.

Prompt-injection firewall for LLM applications — 33 input detectors, 9 output scanners, federated ed25519-signed threat-intel feed. Apache 2.0, 1040 tests, F1 96.0% with 0% false positives. Docker, GitHub Action, LangChain/LlamaIndex/CrewAI integrations.

A GraphQL executable document fingerprint hasher and API proxy to compare queries without formatting diffs, comments, variables and input values.