letta-ai
2 Tools
Letta is an AI infrastructure company founded by UC Berkeley PhD students Sarah Wooders and Charles Packer, who built MemGPT — a memory-augmentation research project — at Berkeley's Sky Computing Lab before spinning it out as a company in September 2024 with $10 million in seed funding. The company builds open-source tooling for stateful AI agents — systems that can remember users and adapt from experience over time — and positions itself as an open alternative to proprietary platforms.
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Tools
A memory-first coding agent that persists across sessions and learns over time. Unlike traditional session-based coding assistants, it works with a long-lived agent that remembers your preferences, codebase, and past conversations while supporting multiple AI models.
A background AI agent that gives Claude Code persistent memory by watching coding sessions, reading codebases, and whispering contextual guidance across projects. Built as a demo for the Letta Code SDK, it creates a subconscious layer that learns and remembers between Claude Code sessions.