Senior Developer Skills
for OpenAI Codex

Production-ready Agent Skills (SKILL.md) that turn Codex into a senior software engineer — fullstack architecture, premium frontend UI, and browser automation, loadable in 1 minute.

★ Get it on GitHub Quick Start

What's inside — 4 production-ready skills

Each skill follows the open Agent Skills standard (SKILL.md): a concise entry file with deep references loaded on demand.

senior-developer

Senior engineer workflow: task decomposition → incremental implementation → automated verification → delivery confirmation, with self-review checklists and error recovery.

fullstack-dev

Fullstack architecture & integration: REST API, authentication, realtime communication, and production hardening (9 deep references).

frontend-dev

Premium frontend UI: motion system selection matrix, AI media asset generation, and copywriting frameworks (11 deep references).

browser-use

Browser automation with browser-use CLI: navigation, screenshots, form filling, data extraction, and cloud browsers.

Quick Start

git clone https://github.com/JIANGEPLUS/senior-developer-codex.git
cd senior-developer-codex

# Option A: run Codex inside the repo — skills are auto-discovered
codex

# Option B: install user-level for all projects
mkdir -p ~/.agents/skills
cp -r .agents/skills/* ~/.agents/skills/

Or just describe your task without naming a skill — the agent matches by description automatically.

Frequently Asked Questions

What is senior-developer-codex?

A production-ready Agent Skills pack for OpenAI Codex. It converts a battle-tested Senior Developer expert workflow into SKILL.md files that Codex CLI and any compatible agent can load instantly.

Which agents are supported?

Any agent compatible with the open Agent Skills (SKILL.md) standard: OpenAI Codex CLI, Codex IDE extension, ChatGPT, Claude Code, and more.

What skills are included?

Four skills: senior-developer, fullstack-dev, frontend-dev, and browser-use — covering engineering workflow, fullstack architecture, premium UI, and browser automation.

How do I install the skills?

Clone the repository and run codex inside it, or copy .agents/skills/* into ~/.agents/skills/ to enable them for all projects.

Is it free? What is the license?

Completely free under the MIT license — usable for personal and commercial projects.