deepseek-ai/deepseek-harness · error · WebError

WEB_PROVIDER_CREDENTIAL_MISSING

WEB_PROVIDER_CREDENTIAL_MISSING

Error message

DeepSeek search has no API key for "${ref}"; store it through the credentials service (the web Models page writes it), export it in the launching environment, or set a literal "apiKey" in the web-search-deepseek config

What it means

Error "DeepSeek search has no API key for "${ref}"; store it through the credentials service (the web Models page writes it), export it in the launching environment, or set a literal "apiKey" in the web-search-deepseek config" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/web/web-search-deepseek/src/provider.ts:294

   * @returns the resolved key.
   */
  private async apiKey(options: DeepSeekSearchProviderOptions, signal?: AbortSignal): Promise<string> {
    throwIfSearchAborted(signal)
    if (options.apiKey !== undefined && options.apiKey.length > 0) return options.apiKey
    let resolved: string | undefined
    try {
      resolved = await abortable(options.resolveApiKey?.() ?? Promise.resolve(undefined), signal)
    } catch (error: unknown) {
      if (signal?.aborted === true || isAbortError(error)) throw searchAborted(signal, error)
      throw new WebError(
        `DeepSeek search credential resolution failed: ${String(error)}`,
        'WEB_PROVIDER_ERROR',
        { cause: error },
      )
    }
    if (resolved !== undefined && resolved.length > 0) return resolved
    const ref = options.apiKeyEnv ?? 'DEEPSEEK_API_KEY'
    throw new WebError(
      `DeepSeek search has no API key for "${ref}"; store it through the credentials service`
      + ' (the web Models page writes it), export it in the launching environment, or set a literal'
      + ' "apiKey" in the web-search-deepseek config',
      'WEB_PROVIDER_CREDENTIAL_MISSING',
    )
  }
}

/**
 * Race a same-process asynchronous preflight against caller cancellation. The
 * attached settlement handlers keep observing an uncooperative operation after
 * abort so a later rejection cannot become unhandled.
 */
function abortable<T>(operation: Promise<T>, signal?: AbortSignal): Promise<T> {
  if (signal === undefined) return operation
  if (signal.aborted) return Promise.reject(searchAborted(signal))
  return new Promise<T>((resolve, reject) => {
    const onAbort = (): void => { reject(searchAborted(signal)) }

View on GitHub (pinned to b150a551b8)

Solutions

1. Store the DeepSeek API key through the credentials service, export it in the launching environment, or set apiKey in the web-search-deepseek config.

When it happens

Trigger: Thrown at packages/web/web-search-deepseek/src/provider.ts:294 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/000aa145c20f5405. Report an issue: GitHub.