deepseek-ai/deepseek-harness · error · LlmError

DISCOVERY_UNSUPPORTED

DISCOVERY_UNSUPPORTED

Error message

pi-ai protocol "${api}" has no model listing this build can read; enter this provider's models by hand

What it means

Error "pi-ai protocol "${api}" has no model listing this build can read; enter this provider's models by hand" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/llm/llm-pi-ai/src/discovery.ts:227

      }))
    }
  }
  if (request.baseURL === undefined || request.baseURL.length === 0) {
    throw new LlmError(
      `pi-ai ships no catalog for provider "${request.provider ?? ''}", so its models can only come from its`
      + " endpoint; set a baseURL, or enter this provider's models by hand",
      'DISCOVERY_FAILED',
    )
  }
  // A draft that has not chosen a protocol yet is asked as OpenAI Chat
  // Completions: it is the shape a gateway is overwhelmingly likely to speak,
  // and the alternative — refusing until the field is filled — would withhold
  // the action from the case it exists for. The cost is a misdirected message
  // when the endpoint speaks something else (an Anthropic gateway answers 401,
  // which reads as a credential problem), and hand-entry remains the way out.
  const api = request.api ?? 'openai-completions'
  if (!LISTABLE_PROTOCOLS.has(api)) {
    throw new LlmError(
      `pi-ai protocol "${api}" has no model listing this build can read; enter this provider's models by hand`,
      'DISCOVERY_UNSUPPORTED',
    )
  }
  const url = listingUrl(request.baseURL)
  // A key typed into the form wins: it is the one the user is testing, and it
  // may be the replacement for exactly the stored key that is failing. The
  // stored one is only asked for here, past the catalog short-circuit and the
  // protocol check, so a route answered from the registry costs no credential
  // lookup — and no diagnostic about a credential it never needed.
  // A probe carrying no key stays unauthenticated, which is how a route that
  // relies on the provider's own ambient discovery is meant to be asked.
  const supplied = request.apiKey ?? await storedApiKey?.()
  const apiKey = supplied === undefined ? undefined : usableProbeKey(supplied)
  let response: Response
  try {
    response = await fetch(url, {
      method: 'GET',

View on GitHub (pinned to b150a551b8)

Solutions

1. Enter this provider's models by hand; this build cannot read the protocol's model listing.

When it happens

Trigger: Thrown at packages/llm/llm-pi-ai/src/discovery.ts:227 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/c1870931009853f9. Report an issue: GitHub.