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Skill Forge

Skill Forge

Coding-interview prep, forged into an adaptive mastery path.

Mastery engineCode sandboxEdTech
Open preview Try the no-signup demo

Public preview landing; sign in for generated curricula and saved progress. The separate demo uses fictional sample content.

Skill Forge fictional demo: a sample coding-interview path, mastery bars, and the Two pointers code exercise
The no-signup demo pairs a sample path with a browser code exercise. Fictional sample content, labeled in-app.

Concept

Coding-interview prep built around a teach–practice loop: an ordered curriculum, short explanations, and JavaScript exercises. The mastery engine tracks each concept and selects a low-mastery, eligible unfinished module next.

Build story

The implementation pairs schema-checked curriculum generation with a browser Web Worker runner and a three-second execution budget. Practice distinguishes failed test cases from runner errors, and concept mastery blends the prior score with the latest pass rate. The Worker limits execution; it is not a security boundary, and browser-reported results are not independently re-executed on the server.

Outcomes

A public no-signup demo makes the sample lesson and code exercise inspectable without creating an account. The sample is fictional; generated curricula and saved progress require sign-in. No learner counts, placement results, or learning gains are claimed here.

Tech / stack

  • TanStack Start · React · TypeScript
  • Supabase Postgres
  • Schema-checked AI curriculum generation
  • Browser Web Worker runner
  • Per-concept mastery tracking · Vitest
Open preview Try the no-signup demo

Public preview landing; sign in for generated curricula and saved progress. The separate demo uses fictional sample content.

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