Agent Skills

SKILL.md packages that extend Claude Code, Cursor, Copilot, and other AI agents.

Trust Score Usefulness Recommended Stars Latest

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Writing Plans

SuperAntigravity

Create precise, bite-sized implementation plans from a spec so engineers can implement features reliably using TDD and exact file/command instructions.

planningtdddeveloper-tools

443

6 triggers

SAM Discovery

claude_skills

Structured requirements-gathering skill that runs SAM Stage 1 discovery: asks WHO/WHAT/WHEN/WHY to produce an ARTIFACT:DISCOVERY document with goals, NFRs, refe

discoveryrequirementsplanning

5 triggers

Repo Atlas (Persistent Context System)

repo-atlas

Generate an in-repo persistent context atlas that maps a codebase: directory trees, entrypoints, architecture docs, and onboarding material so agents and engine

documentationonboardingcodebase

6 triggers

Code Docs

atelier

Generate and maintain project documentation: READMEs, API docs, changelogs and architecture notes; run generators and keep docs versioned alongside code.

documentationreadmeapi-docs

5 triggers

SDD Delta Spec Writer

gentle-ai

Compose structured SDD delta specs: generate ADDED/MODIFIED/REMOVED requirements and testable Given/When/Then scenarios for change proposals (executor-only).

specssdddocumentation

3,029

7 triggers

Language-Agnostic Coding Principles

claude-code-workflows

Opinionated, language-agnostic principles and patterns to improve maintainability, readability, and robustness when implementing features, refactoring, or revie

code-qualitymaintainabilityreadability

340

5 triggers

Skill Creator

multi-agent-shogun

Design, validate and review Claude Code-style SKILL.md files: frontmatter guidance, trigger design, testing patterns, and recommended file structure for robust

skill-authoringclaude-codedocumentation

1,248

6 triggers