In OpenSpec, the standard spec format is a structured Markdown document that defines exactly what a system should do through requirements and how that behavior is verified through scenarios. 1. Core Specification Structure (spec.md) The “Source of Truth” file (located in openspec/specs/<domain>/spec.md) follows a specific hierarchy: 2. The Scenario Format (GIVEN/WHEN/THEN) Scenarios are the most critical […]

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OpenSpec is a spec-driven development (SDD) framework designed to align humans and AI coding assistants by creating reviewable specifications before any code is written. It acts as “version control for intent,” helping to prevent “vibe coding” and maintain consistency. 1. Setup & Installation Get started by installing the CLI globally and initializing your project: 2. […]

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