deepseek-ai/deepseek-harness · error · TypeError

credential key segment "${segment}" must match ${String(KEY_

Error message

credential key segment "${segment}" must match ${String(KEY_SEGMENT_PATTERN)}

What it means

Error "credential key segment "${segment}" must match ${String(KEY_SEGMENT_PATTERN)}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/credentials/credentials/src/index.ts:69

 * "nothing stored" rather than as a thrown error.
 * @param value - candidate segment.
 * @returns true when {@link credentialKey} would accept it as either segment.
 */
export function isCredentialKeySegment(value: string): boolean {
  return KEY_SEGMENT_PATTERN.test(value)
}

/**
 * Brand a scope and an id as a {@link CredentialKey}.
 * @param scope - the owning plugin's registered name, such as `llm-pi-ai`.
 * @param id - that plugin's own addressing unit, such as a provider route key.
 * @returns the branded key.
 * @throws TypeError when either segment is not a lowercase hyphenated identifier.
 */
export function credentialKey(scope: string, id: string): CredentialKey {
  for (const segment of [scope, id]) {
    if (!KEY_SEGMENT_PATTERN.test(segment)) {
      throw new TypeError(`credential key segment "${segment}" must match ${String(KEY_SEGMENT_PATTERN)}`)
    }
  }
  return `${scope}/${id}` as CredentialKey
}

/**
 * Brand a stored `<scope>/<id>` string as a {@link CredentialKey}. This is the
 * read half of {@link credentialKey}, for a provider admitting keys off disk.
 * @param value - candidate key in its joined form.
 * @returns the branded key.
 * @throws TypeError when the value is not exactly two valid segments.
 */
export function parseCredentialKey(value: string): CredentialKey {
  const segments = value.split('/')
  const [scope, id] = segments
  if (segments.length !== 2 || scope === undefined || id === undefined) {
    throw new TypeError(`credential key "${value}" must be "<scope>/<id>"`)
  }

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/credentials/credentials/src/index.ts:69 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/38cffb6260b83ea1. Report an issue: GitHub.