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Google Antigravity support details

Native .agents/ rules, workflows, MCP config, skills, and hooks.

Antigravity is Google DeepMind's agent-first platform with unified .agents/ configuration.

Start on the full support matrix when you need to compare every editor at once. Use this page when you want the exact terms, support details, and project/user targets for Google Antigravity.

Related aix concepts: rules , prompts , mcp , skills , hooks .

Editor-specific notes

  • Antigravity standardizes on the project-level .agents/ directory.
  • Workflows are stored as markdown files with YAML frontmatter in .agents/workflows/.
  • MCP configuration is stored in .agents/mcp_config.json.

Feature details

How to read the statuses

Support key

Editor support

  • Supported The editor exposes that feature at that scope.
  • No support The editor does not expose that feature at that scope.

aix support

  • Native aix writes the editor's own format.
  • Adapter aix keeps the feature through an adapter or alternate representation.
  • No support aix does not write that feature for the destination today.

Use the Project scope and User scope rows to see where config lands at each level.

Rules Learn the concept

Modular markdown rules with frontmatter triggers in .agents/rules/ and AGENTS.md.

Google Antigravity calls this .agents/rules/*.md
aix support Native
Project
Editor Supported aix Native
Path .agents/rules/*.md
User
Editor Supported aix Native
Path ~/.gemini/GEMINI.md
  • Also supports project-level AGENTS.md.

Prompts Learn the concept

Markdown workflow files with description frontmatter in .agents/workflows/.

Google Antigravity calls this Workflows
aix support Native
Project
Editor Supported aix Native
Path .agents/workflows/*.md
User
Editor Supported aix Native
Path ~/.gemini/config/workflows/*.md

MCP Learn the concept

JSON configuration in .agents/mcp_config.json.

Google Antigravity calls this MCP servers
aix support Native
Project
Editor Supported aix Native
Path .agents/mcp_config.json
User
Editor Supported aix Native
Path ~/.gemini/config/mcp_config.json

Skills Learn the concept

Symlinked native skill directories in .agents/skills/{name}/.

Google Antigravity calls this Skills
aix support Native
Project
Editor Supported aix Native
Path .agents/skills/{name}/
User
Editor Supported aix Native
Path ~/.gemini/config/skills/{name}/

Agents

Markdown subagent files with YAML frontmatter in .agents/agents/.

Google Antigravity calls this Subagents
aix support Native
Project
Editor Supported aix Native
Path .agents/agents/*.md
User
Editor Supported aix Native
Path ~/.gemini/config/agents/*.md

Supported metadata: description , mode , model , tools , temperature , maxTurns , editor.antigravity

Hooks Learn the concept

JSON hooks in .agents/hooks.json.

Google Antigravity calls this Hooks
aix support Native
Project
Editor Supported aix Native
Path .agents/hooks.json
User
Editor Supported aix Native
Path ~/.gemini/config/hooks.json

Supported metadata: PostInvocation , PostToolUse , PreInvocation , PreToolUse , SessionEnd , SessionStart , Stop

  • timeout is in seconds.

Plugins

Compatibility unpacking into native skills and MCP servers.

Google Antigravity calls this Plugins
aix support Adapter
Project
Editor Supported aix Adapter
Path .agents/skills/
User
Editor No support aix No support
Editor: The editor does not expose this feature at this scope. aix: Antigravity does not support native plugin bundles.

Marketplaces

Antigravity does not support custom AI agent marketplaces.

Google Antigravity calls this Marketplaces
aix support No support
Project
Editor No support aix No support
Editor: The editor does not expose this feature at this scope. aix: Antigravity does not support custom AI marketplaces.
User
Editor No support aix No support
Editor: The editor does not expose this feature at this scope. aix: Antigravity does not support custom AI marketplaces.

AGENTS.md

Native project-level AGENTS.md instructions.

Google Antigravity calls this AGENTS.md
aix support Native
Project
Editor Supported aix Native
Path AGENTS.md
User
Editor Supported aix Native
Path ~/.gemini/GEMINI.md

.agents/skills

Native Agent Skills directory in .agents/skills/.

Google Antigravity calls this .agents/skills
aix support Native
Project
Editor Supported aix Native
Path .agents/skills/{name}/
User
Editor Supported aix Native
Path ~/.gemini/config/skills/{name}/

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