Mem9 is an open-source, project-scoped memory service for Codex, Claude, and other MCP-compatible coding agents. It keeps durable project knowledge and CLI session metadata available across tools and conversations.
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process.env. You'll be asked to provide them before it can run.MEMORY_SERVICE_URL[](https://m8ven.ai/mcp/luuhung93-mem9-tvkma9)