type-level-error-messages

type-level-error-messages is a JavaScript & TypeScript skill for AI agents, published by EpicenterHQ in the epicenter repository on GitHub. Skillspace rates type-level-error-messages D (68/100) and the safety scan flagged it for review; the rating is based on static analysis only.

Make compile-time errors readable by branding constraint-violation types as template literal messages with a U+200B zero-width-space suffix. Use when writing helper functions that constrain object keys, string shapes, or other literal-type inputs and you want the TypeScript error tooltip to read as an English sentence pointing at the offending value.

Grade
D
Quality
68 / 100
Safety
Needs review
GitHub stars
4,702

Unproven: rated by static analysis only, not yet compared head-to-head.

This rating describes the version of the repository we crawled; it may have changed since, so go by its current files.

Our review

Architecture
100 / 100
Maturity
Basic: a single SKILL.md
Security scan
Medium-risk patterns
License
Not declared. Check the repository before reusing it.
Adoption
Adopted by 0 other repositories, in 0 collections
Scope
Portable: works in any project. General TypeScript typing technique usable in any codebase

What the scanner flagged

  • hidden/zero-width/bidi unicode chars

Not checked yet

  • Not judged on the rubric yet (not a contender in its category)
  • No blind task eval yet
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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