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Spec-Driven Development (Addy Osmani)

Skill

Have your agent write a real spec before it writes code, so fuzzy ideas become scoped, testable work

by Addy OsmaniCoding & Dev ToolsProductivity Listed Feb 15, 2026

Clone or download it from github.com, then drop the folder into ~/.claude/skills/ (Claude Code) or your agent's skills directory.

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About Spec-Driven Development (Addy Osmani)

Part of Addy Osmani's agent-skills pack. When a feature or project starts with nothing but a vague idea, this skill steers the agent to draft a spec first: objectives, scope, and a breakdown of independently testable capabilities.

Good for: kicking off a new feature, writing a lightweight PRD, or untangling a requirement that's really three requirements.

Source: addyosmani/agent-skills

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