CredentialOAuthTool

The coding agent whose subscription an OAuth credential signs in to.

Kind: a string enum, used in requests and responses.

Values

Value	Description
"Claude"	Claude Code, on an Anthropic (Claude Pro or Max) subscription.
"Codex"	Codex, on an OpenAI (ChatGPT) subscription.

New values can appear, so treat one you don’t know as “something else”, not as an error.

Where it’s used

• Inside CredentialSignInStart
• Inside CredentialSignInTokensRequest
• Inside ModelCredentialOAuth