"ask-session" tool policy value deprecated for built-in tools

The 'ask-session' tool policy value is deprecated and now just rewritten to 'ask'.

Read from

Names in the bundlebuiltinToolPolicyask-session

What the documentation says

Documented inclaude-code/claude-apps-gateway-config

Since it was published

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 15 Sep 2026 Anthropic's documentation has since written up ask-session, on Configuration reference. | <span id="builtintoolpolicy" />Built-in tool policy<br />`builtinToolPolicy` | `object` | MDM + Bootstrap<br />Added in 1.8089.0 | — | Approval policy per built-in tool or argument-scoped rule such as Bash(curl \*). “ask” requires user a… third-party/claude-desktop/configuration see the edit

Confirmed since 15 Sep 2026 Anthropic's documentation has since written up builtinToolPolicy, on Configuration reference. | <span id="builtintoolpolicy" />Built-in tool policy<br />`builtinToolPolicy` | `object` | MDM + Bootstrap<br />Added in 1.8089.0 | — | Approval policy per built-in tool or argument-scoped rule such as Bash(curl \*). “ask” requires user a… third-party/claude-desktop/configuration see the edit

How sure we are

One source agreesOne thing we can check says the same as this entry.

Anthropic's documentation agreesAnthropic's documentation has since written up builtinToolPolicy, on Configuration reference.

See this entry in the whole of v2.1.260 →