All tools / Memory framework / library
Letta (MemGPT)
Stateful agents with self-editing memory (formerly MemGPT). Active source has moved to letta-code.
MOVED. README: current source lives in letta-ai/letta-code; the archive branch holds the retired Letta V1 API server. Source
Works with
The vendor docs we checked don't name specific bot clients.
Per vendor docs, checked 2026-11-09. Not tested by MemoryStack. Source
Install
npm install -g @letta-ai/letta-codeFrom the vendor's docs. Read them before running anything.
Details
- Runs
- Local or hosted
- MCP transport
- Unknown
- Auth
- Unknown
- Storage
- Unknown
- License
- Apache-2.0
- GitHub
- letta-ai/letta
- Stars
- 25,395
- Last release
- 0.16.8 · 2026-05-14
- Last push
- 2026-10-18
- Archived
- No
- Website
- docs.letta.com/
Known pitfalls
None recorded yet. Report one.
Change history
- Added to MemoryStack.
- Released 0.16.8. Link