Memory Engine Python Packages

citadeldb

Local-first encrypted AI memory engine for agents, built on an embedded SQL/vector database with zero-LLM ingest, MCP, and cryptographic forgetting

octopoda

The open-source memory operating system for AI agents. Persistent memory, semantic search, loop detection, agent messaging, crash recovery, and real-time observability.

trw-memory

Standalone AI agent memory engine — hybrid search (BM25 + vectors), Q-learning scoring, Ebbinghaus decay, tiered storage, knowledge graph. Part of TRW Framework.

hipcortex

Persistent causal memory for AI agents. 295x faster than Mem0. LangChain, LlamaIndex, AutoGen, CrewAI. Rust, zero deps.

cortex-ai-memory

Private. Free. Local. — Memory engine for personal AI agents.

state-trace

Agent state infrastructure: state-trace Python working memory plus @razroo/parallel-mcp durable MCP orchestration.

mflow-ai

M-flow builds semantic memory layers that help LLMs reason over your data with structured knowledge graphs.

citadeldb-mcp

Local-first encrypted AI memory engine for agents, built on an embedded SQL/vector database with zero-LLM ingest, MCP, and cryptographic forgetting

memme

Edge-first AI memory engine powered by DuckDB

snaildb

SnailDB, a lightweight, non-SQL database for Python.