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Antigravity IDE vs Gemini CLI
Side-by-side comparison of Antigravity IDE and Gemini CLI for SKILL.md agent skills — install model, shell access, native support, skill count and best use cases.
Comparison
At a glance
| Dimension | Antigravity | Gemini |
|---|---|---|
| Vendor | Antigravity | |
| Native SKILL.md support | Yes | Via compatibility layer |
| Verified skills indexed | 35 | 5 |
| Install model | Local folder | Local folder |
| Shell / Bash access | Yes | Yes |
| Tagline | Antigravity IDE ships with the awesome-skills bundle (1,234+ pre-installed) out of the box. | Google's coding agent CLI with a SKILL.md compatibility layer. |
Both
3
Skills verified to work on both Antigravity and Gemini.
Only Antigravity
32
Indexed for Antigravity IDE but not yet verified on Gemini CLI.
Only Gemini
2
Indexed for Gemini CLI but not yet verified on Antigravity IDE.
Verdict
Which should you pick?
Antigravity IDE is the deeper SKILL.md target — native support, the broadest verified skill ecosystem, and the closest fit for skill-driven workflows. Gemini CLI works well when you are already invested in the Google ecosystem or need its specific integrations.
Many teams use both — Skills with the SKILL.md spec are portable, and 3 of the skills indexed here are verified on both agents. Browse the per-agent rankings to see which Skills lead on each platform: Skills for Antigravity IDE · Skills for Gemini CLI.
FAQ
Common questions
Which is better for SKILL.md skills, Antigravity IDE or Gemini CLI?
Antigravity IDE has native SKILL.md support; Gemini CLI uses a compatibility layer. Antigravity IDE has 35 verified skills indexed here; Gemini CLI has 5. 3 skills work on both.
Can I use the same Skill on Antigravity IDE and Gemini CLI?
3 of the skills indexed here work on both. The SKILL.md spec is shared, so most skills run cleanly on both — the exceptions are skills that depend on agent-specific tools (Bash, Workflows, MCP patterns).
How do I install a Skill on Antigravity IDE?
1,234+ as of the latest release. The bundle covers document processing, code quality, security, design, marketing, data and more — most users find what they need without installing anything.
How do I install a Skill on Gemini CLI?
Drop the folder under `~/.gemini/skills/` for user-wide or `.gemini/skills/` for project-scoped. The compatibility layer translates SKILL.md frontmatter automatically.
Which agent should I pick for cross-platform skill use?
If native SKILL.md support and the broadest skill ecosystem matter most, pick Antigravity IDE. Gemini CLI works for teams already invested in that platform.
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