Claude skills for coding

12 Claude skills for coding: 4 official from Anthropic and 8 from the community (obra, addyosmani). Each is a folder of instructions Claude loads when a task calls for it; the most-starred repository here is obra/superpowers (301,989 stars).

12 skills · 4 official · checked against each skill’s own SKILL.md

12 skills, official first

MCP builder

Claude skill · Official · Anthropic

The MCP builder skill guides an AI assistant in creating MCP servers that let LLMs interact with external services through tools.

Apache-2.0★ 182,168

Skill creator

Claude skill · Official · Anthropic

The Skill creator skill lets an AI assistant build, modify, and assess the performance of other skills.

Apache-2.0★ 182,168

Web app testing

Claude skill · Official · Anthropic

The Web app testing skill lets an AI assistant verify frontend behavior, troubleshoot UI problems, take screenshots, and check browser logs for local web apps.

Apache-2.0★ 182,168

Web artifacts builder

Claude skill · Official · Anthropic

The Web artifacts builder skill helps an AI assistant create multi-component HTML artifacts using modern frontend web technologies.

Apache-2.0★ 182,168

Requesting code review (Superpowers)

Claude skill · Community · obra

The Requesting code review (Superpowers) skill lets an AI assistant pass finished work to a separate reviewer agent so problems surface early.

MIT★ 301,989

Systematic debugging (Superpowers)

Claude skill · Community · obra

The Systematic debugging (Superpowers) skill guides an AI assistant through finding the root cause of bugs and failing tests before any fix is proposed.

MIT★ 301,989

Test-driven development (Superpowers)

Claude skill · Community · obra

The Test-driven development (Superpowers) skill guides an AI assistant to write tests before implementation code when building features or fixing bugs.

MIT★ 301,989

Using git worktrees (Superpowers)

Claude skill · Community · obra

The Using git worktrees (Superpowers) skill guides an AI assistant in creating a separate workspace for feature development or implementation plans.

MIT★ 301,989

Context engineering

Claude skill · Community · addyosmani

The Context engineering skill guides an AI assistant in deliberately choosing what an agent is shown, when, and how that information is organized.

MIT★ 108,503

Spec-driven development

Claude skill · Community · addyosmani

The Spec-driven development skill guides an AI assistant to draft a structured specification before coding begins, giving the team a common reference point.

MIT★ 108,503

Code review and quality

Claude skill · Community · addyosmani

The Code review and quality skill helps an AI assistant review code changes across several axes before they are merged.

MIT★ 108,502

Security and hardening

Claude skill · Community · addyosmani

The Security and hardening skill helps an AI assistant apply security-first practices when building web applications.

MIT★ 108,502

Side by side

Who made each one, its licence, and how its own documentation says to install it.

SkillMade byLicenceInstall
MCP builderAnthropic (official)Apache-2.0Claude Code plugin
Skill creatorAnthropic (official)Apache-2.0Claude Code plugin
Web app testingAnthropic (official)Apache-2.0Claude Code plugin
Web artifacts builderAnthropic (official)Apache-2.0Claude Code plugin
Requesting code review (Superpowers)obraMITClaude Code plugin
Systematic debugging (Superpowers)obraMITClaude Code plugin
Test-driven development (Superpowers)obraMITClaude Code plugin
Using git worktrees (Superpowers)obraMITClaude Code plugin
Context engineeringaddyosmaniMITClaude Code plugin
Spec-driven developmentaddyosmaniMITClaude Code plugin, Codex
Code review and qualityaddyosmaniMITClaude Code plugin, Skills CLI or manual
Security and hardeningaddyosmaniMITClaude Code plugin

See every skill on all Claude skills, or the 37 AI coding tools.