Compare
Claude.ai (web app) vs Antigravity IDE
Side-by-side comparison of Claude.ai (web app) and Antigravity IDE for SKILL.md agent skills — install model, shell access, native support, skill count and best use cases.
Comparison
At a glance
| Dimension | Claude.ai | Antigravity |
|---|---|---|
| Vendor | Anthropic | Antigravity |
| Native SKILL.md support | Yes | Yes |
| Verified skills indexed | 32 | 35 |
| Install model | Upload via Settings | Local folder |
| Shell / Bash access | Sandboxed | Yes |
| Tagline | The Claude web app. Upload skills as zips via Settings → Features. Pro/Max/Team/Enterprise. | Antigravity IDE ships with the awesome-skills bundle (1,234+ pre-installed) out of the box. |
Both
16
Skills verified to work on both Claude.ai and Antigravity.
Only Claude.ai
16
Indexed for Claude.ai (web app) but not yet verified on Antigravity IDE.
Only Antigravity
19
Indexed for Antigravity IDE but not yet verified on Claude.ai (web app).
Verdict
Which should you pick?
Both support SKILL.md natively, so the choice is about ecosystem fit. Pick Claude.ai (web app) for Anthropic integrations and the workflows it makes easiest; pick Antigravity IDE for Antigravity integrations and its specific surface.
Many teams use both — Skills with the SKILL.md spec are portable, and 16 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 Claude.ai (web app) · Skills for Antigravity IDE.
FAQ
Common questions
Which is better for SKILL.md skills, Claude.ai (web app) or Antigravity IDE?
Both support SKILL.md natively. Claude.ai (web app) has 32 verified skills indexed here; Antigravity IDE has 35. 16 skills work on both.
Can I use the same Skill on Claude.ai (web app) and Antigravity IDE?
16 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 Claude.ai (web app)?
Settings → Features → Skills. Upload the Skill folder as a ZIP. The Skill becomes available in all your Claude.ai conversations.
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.
Which agent should I pick for cross-platform skill use?
Both support skills natively. Pick by ecosystem fit: Claude.ai (web app) for Anthropic customers, Antigravity IDE for Antigravity customers.
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