Letta Python Packages

heropen

pip install heropen — Long-term memory for local AI agents. 100% local, no cloud, MCP protocol.

letta-evals

Evaluation kit for testing stateful agents

synix

Memory architectures that evolve with your agent

letta-ceki

Letta tool for Ceki — real Chrome sessions for AI agents with persistent memory across rentals

ceki-letta

Namespace alias for `letta-ceki` — install that for the real package.

letta-ejentum

Letta integration for the Ejentum Reasoning Harness. 8 Python functions (4 harnesses × dynamic + adaptive) registered via tools.upsert_from_function.

unicontext

The only Python SDK you need for your agents to interoperate between any context layer.

phionyx-letta

Letta memory-mutation adapter for Phionyx runtime evidence — every memory write, clear, forget, or consolidation emits a signed, hash-chained envelope with before/after diff.

letta-evals-kit

Evaluation kit for testing stateful agents