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2 pages for claude_agent_sdk_client_app.
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Agent SDK reference - TypeScript
Claude Code CLI · in the page
agent-sdk/typescript
…bles](/docs/en/env-vars) for variables the underlying CLI reads. Set `CLAUDE_AGENT_SDK_CLIENT_APP` to identify your app in the User-Agent header…
Error reference
Claude Code CLI · in the page
errors
…ies into a request header from another environment variable, such as `CLAUDE_AGENT_SDK_CLIENT_APP`. The description names the variable to fix. Claude Code reports a bad `ANTHROPIC_API_KEY` caught by…