You'll notice
Tool search setting now also applies to Chat sessions, with version-based request shaping.
The toolSearchEnabled setting's description now states it applies to Cowork, Code, and Chat sessions, up from a narrower scope. Behavior also now differs by app version: apps bundling Claude Code 2.1.247 or later add only the tool-search beta shape, while older builds instead lift full experimental-beta suppression.
Names in the bundletoolSearchEnabled
Documented inclaude-docs/cowork/changelog
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Confirmed since
Anthropic's documentation has since written up toolSearchEnabled, on Configuration reference.
| <span id="toolsearchenabled" />Enable tool search<br />`toolSearchEnabled` | `boolean` | MDM + Bootstrap<br />Added in 1.21459.0 | `false` | Load MCP tool schemas on demand (tool search) instead of inlining every schema into context. Def…third-party/claude-desktop/configuration see the edit
One source agreesOne thing we can check says the same as this entry.
Anthropic's documentation agrees
Anthropic's documentation has since written up toolSearchEnabled, on Configuration reference.