Function countToolDefinitionTokens

extensions/cli/src/util/tokenizer.ts:281–295

(tools: ChatCompletionTool[])

 * @returns Estimated token count for all tool definitions
 */
export function countToolDefinitionTokens(tools: ChatCompletionTool[]): number {
  if (!tools || tools.length === 0) {
    return 0;
  }

  // Base overhead for the tools array structure
  let numTokens = 12;

  for (const tool of tools) {
    numTokens += countSingleToolTokens(tool);
  }

  // Additional overhead for the tools wrapper
  return numTokens + 12;
}

/**
 * Parameters for calculating total input tokens including all components