spec-driven-developmentby Addy OsmaniDevelopmentGitHub stars: 100k
Spec-Driven Development skill: what it does and how to install it
Writes a spec or PRD with objectives and scope before any code, for new projects, features and significant changes.
Install
$ npx skills add addyosmani/agent-skills --skill spec-driven-developmentRun it in a terminal. If your agent is already running, start a new session so it picks the skill up.
About this skill
Writes a spec or PRD with objectives and scope before any code, for new projects, features and significant changes.
History
Repo stars
100kAbout +10.3k since 9 Jul 2026
Before 1 Oct 2026 the curve is estimated from public event data.
Stars are counted for the whole repository, which holds 24 skills.
Show as a table
| Date | Repo stars |
|---|---|
| 1 Oct 2026 | 100,257 |
| 24 Sept 2026 (estimated) | 99,952 |
| 17 Sept 2026 (estimated) | 99,070 |
| 10 Sept 2026 (estimated) | 94,698 |
| 3 Sept 2026 (estimated) | 91,510 |
| 27 Aug 2026 (estimated) | 91,256 |
| 20 Aug 2026 (estimated) | 91,111 |
| 13 Aug 2026 (estimated) | 91,039 |
| 6 Aug 2026 (estimated) | 90,218 |
| 30 Jul 2026 (estimated) | 90,133 |
| 23 Jul 2026 (estimated) | 90,097 |
| 16 Jul 2026 (estimated) | 90,073 |
| 9 Jul 2026 (estimated) | 89,916 |
Installs
46.5k
Tracking since . A chart appears once there are 7 days of data.
Installs via skills.sh
Similar skills
- Test-Driven DevelopmentMakes the agent write a failing test before any implementation code, for features and bug fixes alike.
- Constraint-Driven DevelopmentInterviews you about your quality bar, writes it down as a contract with default thresholds, and stops agents from quietly lowering it.
- Subagent-Driven DevelopmentExecutes an implementation plan by handing independent tasks to subagents within the current session.