MemorySQL

A local-first knowledge base for individual developers. Agents pick up where they left off via MCP “connect to resume”.

Download installers · Quick start · Plugin development · Docs

[!NOTE] macOS builds are unsigned: on first launch, Gatekeeper will block the unverified app. Choose “Right-click → Open” and confirm once. After that, double-clicking launches it normally. If you don’t want to do this every time, run this once in Terminal:

xattr -dr com.apple.quarantine /Applications/MemorySQL.app

There are installers for both Apple Silicon and Intel Macs. Look for arm64 / x64 in the filename.

You use three or four AI agents at once (Codex / ZCode / Claude Code / Hermes …). Every time you switch, you have to rebuild the background: how far the project got, your preferences, the pitfalls you already hit. All of it starts over.

MemorySQL solves this. It automatically captures sessions from all your agents, maintains your memory profile and project status, and runs an MCP server on your machine. Once any agent connects, a single…