Agent Skills: Engineering Best Practices and Workflows for AI Coding Agents

Repositoryaddyosmani/agent-skillsTool

The open-source repository addyosmani/agent-skills provides structured engineering skills and slash commands for AI coding agents, covering the entire software lifecycle from specification to deployment.

Key points

  1. Features 9 slash commands (/spec, /plan, /build, /test, /constraints, /review, /webperf, /code-simplify, /ship) mapped to the software development lifecycle.
  2. Includes a '/build auto' command that executes planned tasks autonomously following upfront approval, keeping individual commits and pausing on errors.
  3. Skills activate automatically based on context, such as API design or frontend UI implementation.
  4. Installable via the open skills CLI by Vercel Labs across 70+ supported agents, including Claude Code, Cursor, Codex, Copilot, and Cline.
  5. Contains a suite of 25 modular skills available individually or as a complete bundle.

Why it matters

AI coding assistants frequently produce unstructured code or skip testing when working without explicit constraints. Packaging senior engineering workflows into reusable agent skills enforces reproducible quality standards across projects.

Analysis

Created by Addy Osmani, this project caters to software engineers integrating agentic AI into production workflows. It addresses the lack of discipline in AI code generation by enforcing structured phases such as PRD authoring, slice-based development, and pre-merge audits. With more than 100,000 GitHub stars and multi-agent interoperability, it represents a highly mature framework in the AI coding ecosystem.

Found in

Summary generated by AI (Gemini 3.8 Flash, 1 October 2026). It may contain errors – the original source is authoritative.

Similar in content, found by the AI search.

  • Repository:vercel-labs/agent-skills

    Vercel Labs Agent Skills: Structured Rules and Audits for AI Coding Agents

    Vercel Labs provides a curated collection of instructions and scripts designed for AI coding agents. Following the Agent Skills specification, the repository covers Vercel cloud optimization, React and Next.js performance, UI best practices, and technical writing.

    31.3kstarsJavaScript

    AI & LLMs· Resource

  • Repository:vercel-labs/skills

    vercel-labs/skills: Universal CLI for AI Agent Skills

    skills is an open-source CLI by Vercel Labs designed to discover, install, and execute modular capabilities across coding agents including Claude Code, Cursor, OpenCode, and Codex.

    31.8kstarsTypeScript

    AI & LLMs· Tool

  • Repository:coleam00/skills

    Cole's AI Skills: Modular Skill Files for Coding Agents

    The GitHub repository 'coleam00/skills' provides a collection of 33 practical skills designed for AI coding agents such as Claude Code. Instead of maintaining a monolithic 2,000-line CLAUDE.md instruction file, each skill resides in a standalone folder with a SKILL.md file and is loaded on demand. The set revolves around a standard development cycle: prime, plan, implement, validate, review, commit, and PR.

    482starsPython

    AI & LLMs· Tool

  • Repository:mattpocock/skills

    mattpocock/skills: Modular Agent Skills for Real Software Engineering

    Matt Pocock shares a curated collection of agent skills taken directly from his own development setup. The project positions itself against rigid frameworks like GSD, BMAD, and Spec-Kit, as well as uncontrolled 'vibe coding'. Instead, it provides small, composable, and adaptable skills compatible with Claude Code, Codex, and other coding agents.

    247.2kstarsShell

    AI & LLMs· Tool

  • Repository:EveryInc/compound-engineering-plugin

    Compound Engineering: 33-Skill Plugin for AI Coding Agents

    Compound Engineering is an open-source plugin for AI coding agents designed to structure development workflows and systematically preserve learned context. It runs on 14 platforms, including Claude Code, Cursor, and Codex.

    24.9kstarsTypeScript

    AI & LLMs· Tool

Let's talk about your project

Locations

  • Mattersburg
    Johann Nepomuk Bergerstraße 7/2/14
    7210 Mattersburg, Austria
  • Vienna
    Ungargasse 64-66/3/404
    1030 Wien, Austria

Parts of this content were created with the assistance of AI.