Best Alternatives to Pensieve

Memory Kernel

Runtime: uvx

Local-first memory for AI agents: SQLite FTS5, deterministic recall, no vector DB, no cloud.

Memharness

Runtime: npx

Bi-temporal, provenance-carrying long-term memory for AI agents, in one SQLite file.

Titen Memory

Runtime: npx

Evidence-grounded agent memory with mandatory provenance, on local SQLite or Cloudflare D1

Memwright

Runtime: uvx

Embedded memory for AI agents with SQLite FTS5, pgvector, and Neo4j graph search.

Leteo

Runtime: bunx

Persistent memory for AI coding agents: one Rust binary, one local SQLite database.

Persistent local AI memory. SQLite + FTS5 + vector search, knowledge graph. No cloud, no API keys.

Metabrain

Runtime: uvx

SQLite memory for AI agents: patterns graduate into proven preferences via an experiment loop.

Genai Toolbox

Runtime: npx

Connects MCP-compatible agents and IDEs to databases through prebuilt or custom tools.

Tinycontext

Runtime: uvx

Token-light local memory with SQLite hybrid retrieval for MCP agents.

Lightweight persistent memory for AI agents. Hybrid search. 16 tools. One SQLite file.

Mysql MCP Server

Runtime: uvx

Connects MCP clients to MySQL for SQL execution, schema inspection, and small table samples.

Dbhub

Runtime: npx

Minimal Database MCP Server for PostgreSQL, MySQL, SQL Server, SQLite, MariaDB