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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.

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Claude Code v2.1.248 27 Aug 2026

Elicitation dialogs accept a declared response-kind list

Under the hood

Useful1 Signal2

MCP

MCP input dialogs now declare which kinds of response they may return.

What

The dialog shown when an MCP server asks you for input now takes an accepts value from its caller, declaring which kinds of response the dialog may return. URL-mode accept still silently returns as before.

Evidence

accepts: R

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.248 →