Every spec change, the day we catch it
We read the docs for Claude Code, Codex, Cursor and the rest on a schedule, diff them against what we had, and email you what moved. That's the wire.
What arrives, and when
An issue goes out when a tracked fact changes, and only then. A quiet week is a quiet inbox, not a missed one. There's no digest to skim, no feed to poll, and nothing to check.
Every issue is one email carrying the same changes twice: HTML for you, and a JSON block for whatever you point at it. Each change names the tool, the component, the fact that moved, its old value and its new one, and links the vendor page it came from so you can check us.
What we promise
- Every fact comes from the vendor's own documentation, with the page it came from attached.
- Changes carry ids that don't move, so a redelivered issue is safe to ignore.
- Delivery is at-least-once. If an issue goes missing, the next one still makes sense on its own.
Reading it with an agent
The JSON half is a contract, not a courtesy: it's specified, versioned, and stable enough to act on. Hand the wire to your agent covers what's in it and the prompt that puts it to work.
Subscribe for $12/year. The matrix on this site stays free to read; what you're paying for is being told when it changes.