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addyosmani/agent-skills

Software engineering skills for AI agents

+1,573 stars in 7 days · trending 8 of the last 30 days

Run 25 workflows to make AI coding agents verify and review code like senior engineers

AI coding tools generate code quickly, but the quality standards and verification procedures that senior engineers maintain are often skipped. This repository provides 25 structured workflows for the entire development process, enabling agents to perform verification and review in addition to writing code. This establishes a foundation for consistently producing production-quality software rather than just prototypes.

Nine commands following the development lifecycle

The repository divides the development process from idea definition to deployment into nine slash commands. You clarify requirements with /spec, break down tasks with /plan, and write code with /build. Afterward, you prove functionality with /test, check quality with /review, and deploy with /ship. Each command automatically activates the skills appropriate for that stage to maintain a consistent process. In particular, the /build auto command is designed to execute all tasks autonomously after plan approval, but it stops if it encounters failures or dangerous steps.

Skill structure and operation

Each skill is not just a reference document but a step-by-step workflow that the agent follows. The SKILL.md file contains a task overview, when to use it, detailed processes, and a table listing excuses the agent might make when trying to skip steps, along with counter-arguments. All skills require concrete evidence, such as passing tests or build output, and do not allow judgments based on the assumption that something is 'roughly correct.' They are also designed to load auxiliary materials only when necessary to minimize token usage.

Integration with various agent tools

This skill pack is compatible with over 70 AI coding agents, including Claude Code, Cursor, Codex, and Copilot. You can install the entire skill set or select specific skills to install using the single command npx skills add addyosmani/agent-skills. Command wrappers and plugin metadata are provided to match the unique configuration structure of each tool, allowing immediate use without complex setup. The Markdown-based skill files work in almost all agents that support system prompts or instruction files.

Pre-adoption checks and license

The repository is released under the MIT license, allowing free use in personal projects or team tools. However, if you install only a single skill, the repository-level references/ directory is not copied, which may cause some shared checklist paths to fail; therefore, integrating the entire repository or cloning it is recommended. Additionally, in some releases of Antigravity CLI, legacy command wrappers may not be found, requiring you to directly call skill names with namespaces. It is advisable to check known limitations based on your agent version before adoption.

Written by AI from this repository's README on September 26, 2026. For the facts, the original on GitHub is the reference.

By the numbers

GitHub trending history
50 days between Jun 19, when Trend began recording, and Nov 8, 2026 · 8 of the last 30 days · best daily rank #1 (Jul 8)

Read from GitHub, as of November 8, 2026.

Language
JavaScript
Topics
agent-skills · antigravity · claude-code · codex · cursor · skills
Stars
114,058
Stars gained in 7 days
+1,573
Contributors
97
Forks
11,916
Latest release
0.6.15 · October 31, 2026
Commits
807
Last commit
November 1, 2026
Open issues
57
Open pull requests
75

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