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Sweep 29 Sep 2026 · 18:10Z Build v2.1.285 506 read Stable v2.1.280 Latest v2.1.285 Next v2.1.285 Feeds RSS JSON llms.txt llms-full.txt Unofficial
Home / Reference / Settings keys

alwaysLoad

setting never mined JSON

A Claude Code settings key, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.

Always-loaded claude.ai MCP tools are held out of the declared tool set and loaded lazily until the tool-use decision settles.

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.259.

First seen — never in a mined build
Last seen — never in a mined build
Builds0 / 128on this box, as of v2.1.285
Written about v2.1.121 first named in a changelog, 27 Apr 2026

In the changelogs

3

Releases whose published page names alwaysLoad.

  1. v2.1.285
    MCP servers can keep individual tools deferred even when alwaysLoad is set

    With alwaysLoad on, a tool an MCP server marks with anthropic/alwaysLoad set to false now still waits behind tool search

    named in this entry, found in this entry's text

  2. v2.1.259
    Declared-tools filtering for always-loaded claude.ai MCP tools

    Always-loaded claude.ai MCP tools are held out of the declared tool set and loaded lazily until the tool-use decision settles.

    found in this entry's text

  3. v2.1.121
    MCP Server alwaysLoad Option

    found in this entry's text

First cited

1

The earliest release whose published evidence quoted alwaysLoad was v2.1.267, 9 Sep 2026. That is the oldest release this project wrote about it, so it is a floor on the name's age and not the release that introduced it. It is not a presence reading: which builds carried the name is the table below.

ReleaseDateThe span that was quoted
v2.1.2679 Sep 2026serverAlwaysLoad: e.config.alwaysLoad === !0, promptOverrides: W, isFirstPartyDesignServer: U, pluginTelemetry: ae,

Presence across releases

0

The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.

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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