npm package
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Jackspeak is a strict argument parser designed for validating command line and environment options. It helps in defining configurations using object literals, ensuring type safety with TypeScript, and automatically generates usage banners. Ideal for CLI tools needing robust argument parsing.
- lurq health score
- 60/100
- Confidence
- proven
- Weekly downloads
- 117,352,790
- Latest version
- 4.2.3
- Last release
- Feb 7, 2026
- License
- BlueOak-1.0.0
Should you depend on jackspeak?
lurq's verdict: low
- No known advisories
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Upgrading jackspeak
What each major version removed, renamed or re-signatured, from lurq's extraction of the published packages.
- 3.4.3 → 4.2.3diff ready
- 2.3.6 → 3.4.3diff ready
- 1.4.2 → 2.3.6diff ready
Other validation packages lurq scores
- fast-xml-parser93/100 · proven
- @babel/helper-validator-identifier91/100 · proven
- @babel/helper-validator-option91/100 · proven
- dependency-cruiser88/100 · proven
- @graphql-tools/schema87/100 · proven
Scored from public signals (npm registry, GitHub, deps.dev and advisory databases). Data as of Sep 6, 2026; this page refreshes every 168 hours. Source repository.