CLAUDE.md Production Template (Annotated)
The full CLAUDE.md I use across 47 Industries. Copy/paste, fill in, ship.
The Prompt
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CLAUDE.md: Enforce Immutable Data Shapes Across Service Boundaries
A CLAUDE.md config that prevents Claude from mutating shared data structures when passing them between services or modules.
CLAUDE.md: Enforce Dependency Direction Across Module Boundaries
A CLAUDE.md config that stops Claude from introducing imports that violate your layered architecture.
CLAUDE.md: Enforce Explicit Null Handling Before Property Access
Configure Claude Code to reject any code that accesses object properties without first asserting the value exists.
CLAUDE.md: Require Explicit Null Handling at Every Boundary
System config that forces Claude to surface and handle null/undefined at every IO and module boundary.