speckit-specify

To convert a natural language feature idea into a testable specification, describe the concept in plain text to generate a ready-to-plan spec covering user scenarios, functional requirements, and acceptance criteria.

A feature specification for software engineering planning should include user scenarios, functional requirements, acceptance criteria, measurable success criteria, assumptions, constraints, and validation steps.

Writing acceptance criteria and user scenarios from a vague product idea involves translating plain language descriptions into structured, actionable specifications that clarify scope for product, design, and engineering teams.

You can generate product management specifications without tying them to implementation details by focusing purely on measurable success criteria, assumptions, constraints, and validation steps during the feature definition process.

This approach to feature definition supports early-stage product ideas by aligning cross-functional teams through concrete, actionable specifications that guide planning, validation, and delivery without technical implementation bias.

The best way to define measurable success criteria and assumptions for a new feature is to process the initial natural language concept into a complete specification that explicitly separates validation steps from implementation details.