Standalone IDE
Antigravity
Antigravity is an agent-based development environment focused on autonomous multi-step coding workflows. It pairs tightly with modern frontier models for planning and execution.
Antigravity plugins on BuySkills
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Antigravity vs Codex
A head-to-head look at Antigravity and Codex — two popular AI coding agents — and how BuySkills fits into each workflow.
Terminal CLI
Codex
OpenAI's Codex is a command-line coding agent built for autonomous software engineering tasks. It runs locally, executes tools in a sandbox, and pairs with GPT-class models.
Codex plugins on BuySkillsSide-by-side
| Dimension | Antigravity | Codex |
|---|---|---|
| Surface | Standalone IDE | Terminal CLI |
| In a nutshell | Agent-based development environment | OpenAI's coding agent CLI |
| BuySkills install command | npx buyskills install <skill> | npx buyskills install <skill> |
| Cross-agent skill sharing | Yes — via BuySkills | Yes — via BuySkills |
Use both with a single skill catalog
You don't have to pick. BuySkills lets you install a skill once and use it across Antigravity, Codex, and every other supported AI coding agent — without repurchasing or reconfiguring.
- One command to install in either agent:
npx buyskills install <skill> - Skills pinned to a version you choose — Antigravity or Codex updates won't break your loop
- Explore plugins by category: testing, refactoring, documentation, git workflows, and more
Antigravity vs Codex — FAQ
Should I pick Antigravity or Codex?
It depends on where you work. Antigravity is agent-based development environment, while Codex is openai's coding agent cli. Many developers use both and share skills across them via BuySkills — so the choice is less binary than it used to be.
Can I use the same plugins in Antigravity and Codex?
Yes. BuySkills is designed for cross-agent portability. Install a skill once with the BuySkills CLI and it becomes available in both Antigravity and Codex — and every other supported agent — without a second purchase or install.
How is installing BuySkills skills different between Antigravity and Codex?
It isn't, from your side. You run `npx buyskills install <skill>`, and the CLI writes the skill to the directory each agent reads from. Antigravity and Codex pick up the skill without any extra config.
How do I add skills to Antigravity?
Install BuySkills CLI and run `npx buyskills install <skill>`. The CLI detects Antigravity and writes skills into the directory its agent reads at startup. Restart the agent loop (not the whole app) to pick up new skills.
Are BuySkills skills compatible with Codex's sandbox?
Yes. BuySkills skills are packaged as portable prompt + tool definitions that run inside Codex's sandbox the same way a local skill would. No special permissions are required beyond the ones the skill itself declares.
Still deciding?
Install BuySkills CLI once and the skills you discover today work in whichever agent you pick tomorrow.
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