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.
Permission rules sent to the host omit allow and environment lists for unpermitted callers.
What's wrong with this entry?
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What
Permission rules sent to the host are now assembled into a block of allow, soft-deny, hard-deny and environment lists. When the caller is not permitted, the allow and environment lists are omitted entirely, and nothing is sent at all when every list is empty.
Details
The accompanying check treats the auto and bypassPermissions modes identically.
Evidence
hardDeny
Strings lifted out of the shipped bundle, so the claim above can be checked against them.