deepseek-ai/deepseek-harness · error · Error

llm-pi-ai: provider "${spec.provider}" names api "${spec.api

Error message

llm-pi-ai: provider "${spec.provider}" names api "${spec.api}", which this build cannot serve; supported protocols are ${supportedProtocols().join(', ')}

What it means

Error "llm-pi-ai: provider "${spec.provider}" names api "${spec.api}", which this build cannot serve; supported protocols are ${supportedProtocols().join(', ')}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/llm/llm-pi-ai/src/provider.ts:179

/**
 * Build the pi-ai provider for one resolved route.
 * @param spec - the resolved route facts.
 * @returns the provider to register in the adapter's `Models` collection.
 * @throws Error when the route names a wire protocol this build cannot serve.
 */
export function buildProvider(spec: ProviderSpec): Provider {
  const catalog = catalogProvider(spec.provider)
  // A catalog route keeping its catalog protocol reuses the catalog provider;
  // an explicit protocol means the deployment is repointing the route at a
  // different wire format, which only the protocol table can serve.
  if (catalog !== undefined && spec.api === undefined) return reuseCatalogProvider(catalog, spec)

  // Every model on this path carries the route's protocol: model resolution
  // requires one for a route the catalog cannot default, and an explicit one
  // replaces each catalog model's own. So the route has a single API.
  const factory = spec.api === undefined ? undefined : PROTOCOLS[spec.api]
  if (factory === undefined) {
    throw new Error(
      `llm-pi-ai: provider "${spec.provider}" names api "${spec.api}", which this build cannot serve;`
      + ` supported protocols are ${supportedProtocols().join(', ')}`,
    )
  }
  return createProvider({
    id: spec.provider,
    name: spec.displayName,
    ...spec.baseURL === undefined ? {} : { baseUrl: spec.baseURL },
    auth: routeAuth(spec, catalog),
    models: spec.models,
    api: factory(),
  })
}

View on GitHub (pinned to b150a551b8)

Solutions

1. Use one of the listed supported protocols for the provider's api field.

When it happens

Trigger: Thrown at packages/llm/llm-pi-ai/src/provider.ts:179 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/390484c0324c37b2. Report an issue: GitHub.