Persistent Memory Integration For Google Antigravity CLI

Antigravity CLI lacks persistent memory across sessions, requiring users to repeatedly provide project context, but the text proposes connecting its official MCP extension system to Mem0’s native MCP server to retain relevant project facts, preferences, architecture decisions, and folder locations across terminals and machines. It outlines a short setup process requiring Antigravity CLI, a free Mem0 API key, and uvx, then instructs users to add a Mem0 server configuration to Antigravity’s MCP config file, restart the CLI, and verify the connection through the `/mcp` command. Unlike session history, which is only a manually searchable transcript, Mem0 extracts and retrieves semantic facts automatically, although it does not retain full logs or credentials. A comparison using a Next.js project suggests that Mem0 lets Antigravity resume work directly from remembered context instead of scanning the filesystem to reconstruct prior activity. The text also advises using separate Mem0 user IDs for different projects to prevent context overlap and notes that memory can follow users across machines when they use the same API key and user ID, while configuration files must be added locally on each device.

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