macOS VSCode codex plugin chatting encountered an error "missing_required_parameter" Missing required parameter: 'tools[14].tools'.

[Zhxhh]

What version of the IDE extension are you using?

v26.415.20818

What subscription do you have?

annual

Which IDE are you using?

VS Code

What platform is your computer?

macos

What issue are you seeing?

macOS VSCode codex plugin chatting encountered an error "missing_required_parameter" Missing required parameter: 'tools[14].tools'.

{"error":{"message":"code: missing_required_parameter; message: Missing required parameter: 'tools[14].tools'.","type":"invalid_request_error","param":"tools[14].tools","code":"-4003"}}

What steps can reproduce the bug?

As soon as I start chatting, it will trigger and it's completely unusable.

What is the expected behavior?

No response

Additional information

No response

[github-actions]

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

• All prompts return "invalid_request_error" #18336

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[etraut-openai]

If you're able to repro, please use /feedback to upload logs and session details, then post the thread ID here.

Are you using the standard OpenAI endpoint, or are you using Azure Foundry and an Azure-hosted OpenAI model? Are you using OpenRouter or any other LLM proxy or router software?