Function getUserAgent

source code/utils/http.ts:20–37

()

// WARNING: We rely on `claude-cli` in the user agent for log filtering.
// Please do NOT change this without making sure that logging also gets updated!
export function getUserAgent(): string {
  const agentSdkVersion = process.env.CLAUDE_AGENT_SDK_VERSION
    ? `, agent-sdk/${process.env.CLAUDE_AGENT_SDK_VERSION}`
    : ''
  // SDK consumers can identify their app/library via CLAUDE_AGENT_SDK_CLIENT_APP
  // e.g., "my-app/1.0.0" or "my-library/2.1"
  const clientApp = process.env.CLAUDE_AGENT_SDK_CLIENT_APP
    ? `, client-app/${process.env.CLAUDE_AGENT_SDK_CLIENT_APP}`
    : ''
  // Turn-/process-scoped workload tag for cron-initiated requests. 1P-only
  // observability — proxies strip HTTP headers; QoS routing uses cc_workload
  // in the billing-header attribution block instead (see constants/system.ts).
  // getAnthropicClient (client.ts:98) calls this per-request inside withRetry,
  // so the read picks up the same setWorkload() value as getAttributionHeader.
  const workload = getWorkload()
  const workloadSuffix = workload ? `, workload/${workload}` : ''
  return `claude-cli/${MACRO.VERSION} (${process.env.USER_TYPE}, ${process.env.CLAUDE_CODE_ENTRYPOINT ?? 'cli'}${agentSdkVersion}${clientApp}${workloadSuffix})`
}

export function getMCPUserAgent(): string {
  const parts: string[] = []