Each new brief gives whoever writes the page, whether that's you, a teammate or an agent, exactly what to work from. It sets out the task, an outline of what every section must cover, the facts to use with the source of each one, what to leave out, the rules to follow, and how you'll know the page is done. The evidence behind the recommendation sits underneath, collapsed until you want it.
Once a brief is ready, DevTune checks its claims about your product against your own site and project profile, so you can review them before you approve. The claim check shows which claims match your site and which to confirm, and Show in brief takes you to each one. Briefs still follow your content preferences and steer around your locked pages.
Your own agents get the brief, its evidence and its claim check over API v2 and MCP.