DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
The ultraplan mode has been completely removed. This includes the ultraplan and ultraplan-mode identifiers, the ultraplan completion messages, and the verification specialist agent that was part of the ultraplan workflow.
Evidence
All "ultraplan" references removed from source
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
