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Sweep 01 Oct 2026 · 17:27Z Build v2.1.287 508 read Stable v2.1.285 Latest v2.1.287 Next v2.1.287 Feeds RSS JSON llms.txt llms-full.txt Unofficial

prompts

setting gone JSON

A Claude Code settings key, read out of the shipped bundle. It was in the build from v2.1.284 and was gone by v2.1.287.

Claude Code now listens for MCP prompt/resource list-changed updates whenever a server offers prompts or resources at all

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.274.

First seen v2.1.284 28 Sep 2026
Last seen v2.1.286 30 Sep 2026, gone by v2.1.287
Builds3 / 130on this box, as of v2.1.287
Written about v1.0.21 first named in a changelog, 11 Jun 2025
v2.1.284in the build not in the build never minedv2.1.287

In the changelogs

4

Releases whose published page names prompts.

  1. v2.1.274
    MCP prompts/resources list-changed listeners no longer require the server to advertise listChanged

    Claude Code now listens for MCP prompt/resource list-changed updates whenever a server offers prompts or resources at all

    found in this entry's text

  2. v2.1.208
  3. v2.1.183
  4. v1.0.21
    New Features

    found in this entry's text

First cited

0

No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.

Presence across releases

2
BuildsHow manyDatesReading
v2.1.284 – v2.1.2863 builds28 Sep 2026 → 30 Sep 2026 ◆in the build
v2.1.2871 build1 Oct 2026 ○not in the build

Build by build

4

One row per release since the first build this name was read out of. Absent means the build was read and the name was not in it, never mined means no bundle for that release was ever archived, and a declared type or a default is only ever what that release's own bundle stated.

BuildDateStateThe record behind it
v2.1.28428 Sep 2026·addedverdict: added
v2.1.28529 Sep 2026·presentverdict: present
v2.1.28630 Sep 2026·presentverdict: present
v2.1.2871 Oct 2026·removedverdict: removed

Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the settings key does. All settings keys.

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