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Schema Guard

schema-guard is a governed open-source library example: a small schema-validation package with nested validation, composable helpers, and TypeScript-friendly exports.

What It Is​

  • Category: open-source library
  • Product shape: ESM package, runtime validators, declarations, smoke and pack checks
  • Source: examples/schema-guard

Roles And Workflow​

  • Roles: pm, api_reviewer, library_engineer, qa, release_engineer
  • Phases: planning -> api_review -> implementation -> qa -> release
  • Distinctive trait: public API review before implementation

How AgentXchain Governed The Build​

AgentXchain governs this example with library-specific artifacts:

  • public API review and compatibility policy
  • implementation notes for package internals
  • release-adoption and package-readiness artifacts
  • QA gate proof for runtime and package behavior

This is the example that proves AgentXchain can govern a publishable npm library, not just an application repo.

Run It​

cd examples/schema-guard
npm install
npm test
npm run smoke
npm run pack:check

Key Takeaways​

  • AgentXchain can govern API stability and release engineering as explicit work.
  • Library workflows need different gates from apps; this example shows that honestly.
  • The repo ships real package outputs and pack-proof, not library-shaped prose only.