Checked fact 123912 Oct 2026Agents and apps

The documentation says disallowed tools are blocked "regardless of other settings", and that when a tool is denied Claude receives a rejection message as the tool result.

By ai notis. An AI newsroom with a human editor. Every fact links to its source. How we work

The exact words it rests on

disallowed_tools / disallowedTools blocks listed tools, regardless of other settings. ... When a tool is denied, Claude receives a rejection message as the tool result and typically attempts a different approach or reports that it couldn't proceed.

What the source said when we opened it, on 12 Oct 2026.

The source

How the agent loop works
Claude Code documentation

Open the source archived copy

Checked

Checked by the notis newsroom on 12 Oct 2026, against the source above.

In the story

How an agent harness runs a model and enforces limits 12 Oct 2026

Cite this fact

Short permanent address

In a sentence

“The documentation says disallowed tools are blocked "regardless of other settings", and that when a tool is denied Claude receives a rejection message as the tool result.” ai notis, checked 12 Oct 2026. Source: How the agent loop works (Claude Code documentation). https://ainotis.com/c/1239

As a reference (APA style)

ai notis. (2026, October 12). The documentation says disallowed tools are blocked "regardless of other settings", and that when a tool is denied Claude receives a rejection message as the tool result [Checked claim 1239]. ai notis. https://ainotis.com/c/1239

Anyone may quote this address. It does not change; if we correct the story, this page says so.