JuliusBrussee/caveman · error

caveman agent: invalid .caveman/provider.json

Error message

caveman agent: invalid .caveman/provider.json

What it means

Error "caveman agent: invalid .caveman/provider.json" thrown in JuliusBrussee/caveman.

Source

Thrown at packages/agent/src/runtime.ts:3274

    throw new Error(
      configured.length === 0
        ? "caveman agent: no supported provider credential found"
        : "caveman agent: multiple provider credentials found; set CAVE_MODEL once",
    );
  }
  const [provider, id] = configured[0]!;
  const model = models.getModel(provider, id);
  if (!model) throw new Error(`caveman agent: baseline model unavailable: ${provider}/${id}`);
  return model;
}

function localProviderModel(rootDir: string): string | undefined {
  try {
    const parsed = JSON.parse(readFileSync(resolve(rootDir, ".caveman/provider.json"), "utf8")) as { model?: unknown };
    return typeof parsed.model === "string" ? parsed.model : undefined;
  } catch (error) {
    if ((error as NodeJS.ErrnoException).code === "ENOENT") return undefined;
    throw new Error("caveman agent: invalid .caveman/provider.json");
  }
}

/**
 * Point a model at the gateway when the gateway speaks its dialect.
 *
 * The three routes below are the only ones the Caveman gateway proxies. Every
 * other provider Pi can reach (xai, groq, bedrock, openrouter, …) keeps its own
 * base URL, and `routed: false` is what tells the caller this request is
 * third-party traffic: no account key, no telemetry headers, no `optimized`.
 */
function routeModelThroughCave(
  model: Model<Api>,
  gatewayURL: string,
): { model: Model<Api>; routed: boolean } {
  const prefix: Record<string, string> = {
    anthropic: "anthropic",
    // Pi provider clients append endpoint paths relative to these versioned

View on GitHub (pinned to 27d5a3981a)

Solutions

1. Fix .caveman/provider.json so it is valid JSON with the expected shape.

When it happens

Trigger: Thrown at packages/agent/src/runtime.ts:3274 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of JuliusBrussee/caveman@27d5a3981a (2026-08-15). Data as JSON: /api/errors/e6d32809829a20f6. Report an issue: GitHub.