API error when using Google Search and Url Context tool together

[ryan-tsang]

Description

Meet API error when following the example: https://ai-sdk.dev/providers/ai-sdk-providers/google-generative-ai#combine-url-context-with-search-grounding

  const result = generateText({
    model: vertex('gemini-2.5-pro'),
    messages: convertToModelMessages([message]),
    tools: {
      google_search: google.tools.googleSearch({}),
      url_context: google.tools.urlContext({}),
    },
  });

terminal display server error of

APICallError [AI_APICallError]: The GenerateContentRequest proto is invalid:
  * tools[0].tool_type: one_of 'tool_type' has more than one initialized field: google_search, url_context
  ....
  data: {
    error: {
      code: 400,
      message: 'The GenerateContentRequest proto is invalid:\n' +
        "  * tools[0].tool_type: one_of 'tool_type' has more than one initialized field: google_search, url_context",
      status: 'INVALID_ARGUMENT'
    }
  },

AI SDK Version

• ai: 5.0.32
• @ai-sdk/google: 2.0.12
• @ai-sdk/google-vertex: 3.0.20

Code of Conduct

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