Preserve this project's public request validation and error catalog.
Scanned 9/2/2026
Install to Claude Code
Skills Directorynpx -y skills add SeoNaRu/nulnul-harness --skill project-api-validation --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: project-api-validation
description: Preserve this project's public request validation and error catalog.
---
# Project API validation
Reject invalid public request values before side effects, preserve the structured
error envelope, update the error catalog for new codes, and run the API contract
check. Do not use this Skill for internal signal algorithms.
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