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Strategy & engineering · CharityVibe paper

Harnessing the power of vibe development.

The power of vibe development within a controlled SAGE framework.

A strategic approach to combining AI-assisted software development, domain expertise and disciplined engineering governance.

Executive summary

Speed is powerful. Control makes it dependable.

Vibe development uses natural language and AI-assisted tools to generate, modify and refine software. It can make the journey from idea to working application faster, more economical and more collaborative.

But speed alone does not guarantee quality. AI can create applications that look complete while hiding weaknesses in architecture, security, data integrity, maintainability and business logic.

SAGE is a proposed framework for keeping the creativity and momentum of vibe development while adding the discipline needed for reliable, maintainable and secure software.

The SAGE cycle

A lightweight framework for building with confidence.

S

Specify

Establish the business intent, rules and acceptance criteria.

A

Architect

Define the technical structure, security and integration boundaries.

G

Generate

Use AI to construct and refine working software rapidly.

E

Evaluate

Verify behaviour, quality and fitness for release.

A partnership, not a handover.

The designer-builder understands architecture, integrations and technical quality. The domain expert understands users, operational rules and the practical consequences of design decisions. Together they keep technical construction connected to the purpose of the service.

Working software becomes a living specification: people can use the real workflow, discover what is missing, and refine the product while its architecture remains intentional.

Governance without bureaucracy
  • Specify business rules before AI makes assumptions.
  • Architect security, permissions, data and integrations intentionally.
  • Generate in small, reviewable changes using established conventions.
  • Evaluate with automated checks and realistic domain scenarios.

The goal is not simply to build software faster. It is to build the right software faster, verify it more effectively and maintain confidence as it evolves.

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