MemGPT / Letta
JSON →Stateful agent framework formerly known as MemGPT. Renamed to Letta in September 2024. PyPI package moved from memgpt to letta. Two packages: letta (full server runtime) and letta-client (API client only). Agents are server-side persistent resources, not in-process Python objects.
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API endpoints
full doc /v1/registry/letta
install /v1/registry/letta/install
compatibility /v1/registry/letta/compatibility