Agent Skills · 6 Nov 2026

spec-driven-development: Agent Skill

In this week's ranking: #418

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What it does

Creates specs before coding.

What you need

Read the documented requirements before installation.

Who it is for

The README names these assistants: Claude Code, Codex, Gemini CLI, Cursor, Windsurf, OpenCode.

Setup and use

Step 1. Install the instructions
Use the exact command documented by the project.
```
npx skills add addyosmani/agent-skills            # install all 25 skills
```
The instructions are available to your assistant.

Check that it works

Follow the example and check the result against the documented behavior.

Features explained

Scope Check

Most requests describe one capability.

Specify

Start with a high-level vision.

Plan

Determine the implementation order (what must be built first).

Next steps

Continue with the complete project documentation.

Limits

Some instructions refer to credentials or configuration files. Check what access they require.

Security check

Ranking history

Daily observations
First seen	2026-10-30
Last seen	2026-11-06
Best position	#406
Latest stars	113650

More skills for Coding

Numbers and date

Observed on 6 Nov 2026. GitHub counts apply to the repository; skills.sh counts apply to this skill.

GitHub stars: 113650
Star growth over seven days: Not available: seven-day history is still being collected
skills.sh total installs: 72813
skills.sh installs in 24 hours: 653
License: MIT
Last commit: 2026-11-01T19:24:49Z