[BUG]

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

claude code version 2.0.35 and latest 2.1.42 with all models give error:

w/ Search the web Option:
configurations.1.code_execution_20250825.use_web_search_purpose: Extra inputs are not permitted

w/o Search the web Option:
configurations.0.code_execution_20250825.use_web_search_purpose: Extra inputs are not permitted

What Should Happen?

no error

Error Messages/Logs

configurations.1.code_execution_20250825.use_web_search_purpose: Extra inputs are not permitted

configurations.0.code_execution_20250825.use_web_search_purpose: Extra inputs are not permitted

Steps to Reproduce

open Excel
open Claude
send message

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.42 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_