DataZen vs Stele

DataZen is a free open-source desktop database workspace: natural-language SQL, one-click error diagnosis, EXPLAIN analysis, charts, cross-database workflows, and a...

Shared memory for AI coding agents. Claude Code, Cursor and Codex read what your project already decided, so context survives between tools and sessions.

About DataZen

DataZen is a free open-source desktop database workspace: natural-language SQL, one-click error diagnosis, EXPLAIN analysis, charts, cross-database workflows, and a built-in MCP server for AI agents. Local-first, under 15 MB. Who it's for Built for developers who work with databases every day. SQL editor, EXPLAIN analysis, schema browsing, ER diagrams, backups, the daily driver for real database work. MCP Server & Client Give your AI agents access to your databases. DataZen ships with a built-in MCP server: expose queries, schema inspection, EXPLAIN and even whole workflows as tools for the agents you already use.

About Stele

Shared memory for AI coding agents. Claude Code, Cursor and Codex read what your project already decided, so context survives between tools and sessions. Only one of these agents knows this was tried last spring and rolled back. KNOW-142 : a captcha on checkout shipped last spring and was reverted after two weeks. The bot traffic is real, though it spikes on release days and is quiet the rest of the time. A gate armed only during a release window would avoid repeating that.