# negative_requirements > Explicitly enforce the following invariants: - Author: moheban - Repository: moheban/codexskills - Version: 20251229093152 - Stars: 0 - Forks: 0 - Last Updated: 2026-02-06 - Source: https://github.com/moheban/codexskills - Web: https://mule.run/skillshub/@@moheban/codexskills~negative_requirements:20251229093152 --- # Skill: Negative Requirement Enforcement Explicitly enforce the following invariants: - Planning workflows must NOT require Analysis or Reprocessing inputs. - Analysis workflows must NOT require Planning or Reprocessing inputs. - Reprocessing workflows must NOT require Planning or Analysis inputs. If any validation path violates these constraints, it must be refactored.