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Letta
What the publisher saysA platform and SDK for building agents that retain and update memory across sessions.
Potential use: Software teams testing stateful agents where the memory lifecycle can be inspected and controlled.
Limitations: Starting a new project from this legacy V1 server; active development moved to Letta Agent and App Server.
- Public use
- 24,632 GitHub stars · 2,612 forks
- Activity
- Release 0.16.8 on 14 May 2026 · repository updated 23 Aug 2026
- Community
- 16 open issues
- Checked
- 6 Sept 2026
Source facts only. Not tested or recommended by Agent Blocks.