Function executeAnthropicProviderRequest

apps/sim/providers/anthropic/core.ts:187–1290

(
  request: ProviderRequest,
  config: AnthropicProviderConfig
)

 * and the Azure Anthropic provider.
 */
export async function executeAnthropicProviderRequest(
  request: ProviderRequest,
  config: AnthropicProviderConfig
): Promise<ProviderResponse | StreamingExecution> {
  const { logger, providerId, providerLabel } = config

  if (!request.apiKey) {
    throw new Error(`API key is required for ${providerLabel}`)
  }

  const modelId = request.model
  const useNativeStructuredOutputs = !!(
    request.responseFormat && supportsNativeStructuredOutputs(modelId)
  )

  const anthropic = config.createClient(request.apiKey, useNativeStructuredOutputs)

  const messages: Anthropic.Messages.MessageParam[] = []
  let systemPrompt = request.systemPrompt || ''

  if (request.context) {
    messages.push({
      role: 'user',
      content: request.context,
    })
  }

  if (request.messages) {
    request.messages.forEach((msg) => {
      if (msg.role === 'function') {
        messages.push({
          role: 'user',
          content: [
            {
              type: 'tool_result',
              tool_use_id: msg.name || '',
              content: msg.content || undefined,
            },
          ],
        })
      } else if (msg.function_call) {
        const toolUseId = `${msg.function_call.name}-${Date.now()}`
        messages.push({
          role: 'assistant',
          content: [
            {
              type: 'tool_use',
              id: toolUseId,
              name: msg.function_call.name,
              input: JSON.parse(msg.function_call.arguments),
            },
          ],
        })
      } else {
        const content = buildAnthropicMessageContent(msg.content, msg.files, config.providerId)
        messages.push({
          role: msg.role === 'assistant' ? 'assistant' : 'user',
          // double-cast-allowed: shared attachment builder returns Anthropic-compatible content blocks but avoids importing SDK-only union types