Free tools

Small tools for big incidents.

Free, no sign-up, and they run entirely in your browser, so you can paste production output without it leaving your computer.

You're on call and the database is on fire. Make the calls in three realistic incidents; every wrong move costs minutes. About five minutes each.

Paste the output of a blocking query and see who waits for whom, with the root blocker highlighted. Runs in your browser; nothing is uploaded.

Pick an AI client and a database. Get a read-only login with timeouts, and the client's MCP configuration. Runs in your browser; nothing is uploaded.