Automate feature glags in Google Antigravity: MCP, Plugins, and Hooks

Google Antigravity agents can automate feature-flag workflows through the Unleash MCP server, allowing them to assess risky code changes, detect existing flags, create conventionally named flags disabled by default, wrap code paths, manage rollouts, and remove flags after release. The setup involves adding Unleash credentials and MCP configuration, then using natural-language requests for changes such as payment integrations or authentication features, while retaining approval prompts for flag mutations. Teams can distribute a standardized configuration through Antigravity plugins, including imported Gemini or Claude setups, and establish persistent FeatureOps policies in GEMINI.md or AGENTS.md files so agents automatically consider flags for high-risk work. PreToolUse hooks can further enforce governance by requiring confirmation, preventing production changes, or recording audit logs for flag-writing operations. Applied across Antigravity’s Agent Manager and parallel worktrees, this approach aims to let agents produce and prepare code quickly while teams preserve operational control over which changes are enabled for users.

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