deepseek-ai/deepseek-harness · error · LlmError

DISCOVERY_FAILED

DISCOVERY_FAILED

Error message

the endpoint's model listing has no "data" array; enter this provider's models by hand

What it means

Error "the endpoint's model listing has no "data" array; enter this provider's models by hand" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/llm/llm-pi-ai/src/discovery.ts:141

  }
  const body = new Uint8Array(total)
  let offset = 0
  for (const chunk of chunks) {
    body.set(chunk, offset)
    offset += chunk.byteLength
  }
  return new TextDecoder().decode(body)
}

/**
 * Read one OpenAI-compatible listing reply. Entries without a usable id are
 * skipped rather than failing the whole interrogation: a single malformed row
 * should not deny the user the rest of a working endpoint's catalog.
 */
function readListing(body: unknown): LlmDiscoveredModel[] {
  const data = (body as { data?: unknown } | null)?.data
  if (!Array.isArray(data)) {
    throw new LlmError(
      'the endpoint\'s model listing has no "data" array; enter this provider\'s models by hand',
      'DISCOVERY_FAILED',
    )
  }
  const models: LlmDiscoveredModel[] = []
  for (const raw of data) {
    const entry = raw as ListingEntry | null
    const id = label(entry?.id)
    if (id === undefined) continue
    const name = label(entry?.name, entry?.display_name)
    const contextWindow = capacity(entry?.context_window, entry?.context_length)
    const maxTokens = capacity(entry?.max_output_tokens, entry?.max_tokens)
    models.push({
      id,
      ...name === undefined ? {} : { name },
      ...contextWindow === undefined ? {} : { contextWindow },
      ...maxTokens === undefined ? {} : { maxTokens },
    })

View on GitHub (pinned to b150a551b8)

Solutions

1. Enter this provider's models by hand; the endpoint's model listing has no readable data array.

When it happens

Trigger: Thrown at packages/llm/llm-pi-ai/src/discovery.ts:141 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/25c283d6fa6df3fa. Report an issue: GitHub.