Individual skill

blueprint-writing

How to write Blueprint-quality blueprints that AI agents can consume effectively. Covers implementation-agnostic blueprint design, testable acceptance criteria, hierarchical structure, cross-referencing, blueprint templates, greenfield and rewrite patterns, blueprint compaction, and gap analysis. Trigger phrases: "write blueprints", "create blueprints", "blueprint this out", "define requirements for agents", "how to write blueprints for AI"

plugins/JuliusBrussee/blueprint/skills/blueprint-writing/SKILL.md

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# Blueprint Writing

## Core Principle: Blueprints Describe WHAT, Not HOW

Blueprints are **implementation-agnostic**. They define what the system must do and how to verify it, but never prescribe a specific framework, language, or architecture.

This is the fundamental distinction in Blueprint:
- **Blueprints** = WHAT must be true (framework-agnostic, durable, portable)
- **Plans** = HOW to build it (framework-specific, derived from blueprints)
- **Code** = the implementation (generated from plans, validated against blueprints)

### Why Implementation-Agnostic?

When blueprints avoid prescribing HOW, they become: