Google Antigravity Adds /boost, a Three-Phase Multi-Agent Mode Sitting Between Chat and /teamwork
Antigravity documented a /boost command (70 points, 50 comments on HN) that runs an on-demand multi-agent reasoning pipeline: an orchestrator decomposes the prompt, specialized subagents run implementation, investigation and local verification in isolated environments in parallel, then a synthesis pass validates against test suites and edge cases. Google positions it explicitly for the seconds-to-hours band between the default single-agent assistant and the longer-horizon /teamwork mode, naming concurrency bugs, algorithmic optimization, multi-file refactoring and root-cause investigation as targets. It is paid-plans-only across Antigravity 2.0 and the CLI, and the docs disclose neither the underlying models nor the token cost.
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