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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01YZk8HDFG8sbfQXMWbYwbkt","type":"tool_result","content":"chrome-devtools - the chrome-devtools toolset\n\nWhen relevant, outputs from this CLI will prefer using the TOON format for more efficient representation of data.\n\nUSAGE:\n  chrome-devtools <subcommand> [options]\n\nSUBCOMMANDS:\n  click                               Clicks on the provided element\n  close-page                          Closes the page by its index\n  drag                                Drag an element onto another element\n  emulate                             Emulates various features on the selected page\n  evaluate-script                     Evaluate a JavaScript function inside the currently selected page\n  fill                                Type text into a input, text area or select an option from a <select> element\n  fill-form                           Fill out multiple form elements at once\n  get-console-message                 Gets a console message by its ID\n  get-network-request                 Gets a network request by an optional reqid, if omitted returns the currently selected request in the DevTools Network panel\n  handle-dialog                       If a browser dialog was opened, use this command to handle it\n  hover                               Hover over the provided element\n  lighthouse-audit                    Get Lighthouse score and reports for accessibility, SEO and best practices\n  list-console-messages               List all console messages for the currently selected page since the last navigation\n  list-network-requests               List all requests for the currently selected page since the last navigation\n  list-pages                          Get a list of pages  open in the browser\n  navigate-page                       Go to a URL, or back, forward, or reload\n  new-page                            Open a new tab and load a URL\n  performance-analyze-insight         Provides more detailed information on a specific Performance Insight of an insight set that was highlighted in the results of a trace recording\n  performance-start-trace             Start a performance trace on the selected webpage\n  performance-stop-trace              Stop the active performance trace recording on the selected webpage\n  press-key                           Press a key or key combination\n  resize-page                         Resizes the selected page's window so that the page has specified dimension\n  select-page                         Select a page as a context for future tool calls\n  take-memory-snapshot                Capture a heap snapshot of the currently selected page\n  take-screenshot                     Take a screenshot of the page or element\n  take-snapshot                       Take a text snapshot of the currently selected page based on the a11y tree\n  type-text                           Type text using keyboard into a previously focused input\n  upload-file                         Upload a file through a provided element\n  wait-for                            Wait for the specified text to appear on the selected page\n\nRun 'chrome-devtools <subcommand> --help' for subcommand usage.","is_error":false}]},"parent_tool_use_id":null,"session_id":"87073ab5-7a0c-4003-b33d-b7625523c3de","uuid":"6c6735cc-34ce-4924-b202-f128b537964e","timestamp":"2026-04-03T08:35:14.762Z","tool_use_result":{"stdout":"chrome-devtools - the chrome-devtools toolset\n\nWhen relevant, outputs from this CLI will prefer using the TOON format for more efficient representation of data.\n\nUSAGE:\n  chrome-devtools <subcommand> [options]\n\nSUBCOMMANDS:\n  click                               Clicks on the provided element\n  close-page                          Closes the page by its index\n  drag                                Drag an element onto another element\n  emulate                             Emulates various features on the selected page\n  evaluate-script                     Evaluate a JavaScript function inside the currently selected page\n  fill                                Type text into a input, text area or select an option from a <select> element\n  fill-form                           Fill out multiple form elements at once\n  get-console-message                 Gets a console message by its ID\n  get-network-request                 Gets a network request by an optional reqid, if omitted returns the currently selected request in the DevTools Network panel\n  handle-dialog                       If a browser dialog was opened, use this command to handle it\n  hover                               Hover over the provided element\n  lighthouse-audit                    Get Lighthouse score and reports for accessibility, SEO and best practices\n  list-console-messages               List all console messages for the currently selected page since the last navigation\n  list-network-requests               List all requests for the currently selected page since the last navigation\n  list-pages                          Get a list of pages  open in the browser\n  navigate-page                       Go to a URL, or back, forward, or reload\n  new-page                            Open a new tab and load a URL\n  performance-analyze-insight         Provides more detailed information on a specific Performance Insight of an insight set that was highlighted in the results of a trace recording\n  performance-start-trace             Start a performance trace on the selected webpage\n  performance-stop-trace              Stop the active performance trace recording on the selected webpage\n  press-key                           Press a key or key combination\n  resize-page                         Resizes the selected page's window so that the page has specified dimension\n  select-page                         Select a page as a context for future tool calls\n  take-memory-snapshot                Capture a heap snapshot of the currently selected page\n  take-screenshot                     Take a screenshot of the page or element\n  take-snapshot                       Take a text snapshot of the currently selected page based on the a11y tree\n  type-text                           Type text using keyboard into a previously focused input\n  upload-file                         Upload a file through a provided element\n  wait-for                            Wait for the specified text to appear on the selected page\n\nRun 'chrome-devtools <subcommand> --help' for subcommand usage.","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01BkhvfuYYmLR5Zr8wzzioq1","type":"tool_result","content":"Successfully navigated to https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population.\n## Pages\n1: https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population [selected]","is_error":false}]},"parent_tool_use_id":null,"session_id":"87073ab5-7a0c-4003-b33d-b7625523c3de","uuid":"e5873eb5-2a92-4bc0-b293-fd3a3f37c9d8","timestamp":"2026-04-03T08:35:18.075Z","tool_use_result":{"stdout":"Successfully navigated to https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population.\n## Pages\n1: https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population [selected]","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\nerror: Unknown option: --script\n\nchrome-devtools evaluate-script - Evaluate a JavaScript function inside the currently selected page. Returns the response as JSON,\nso returned values have to be JSON-serializable.\n\nUSAGE:\n  chrome-devtools evaluate-script [options]\n\nOPTIONS:\n  --function STRING     (required) A JavaScript function declaration to be executed by the tool in the currently selected page.\nExample without arguments: `() => {\n  return document.title\n}` or `async () => {\n  return await fetch(\"example.com\")\n}`.\nExample with arguments: `(el) => {\n  return el.innerText;\n}`\n  --args [STRING]   (optional) An optional list of arguments to pass to the function.\n  --quiet                    (optional) Truncate large output to a short preview","is_error":true,"tool_use_id":"toolu_01Ds22WG9hzW3UVhu8z1LmrH"}]},"parent_tool_use_id":null,"session_id":"87073ab5-7a0c-4003-b33d-b7625523c3de","uuid":"06c0c12d-9888-4bd4-8388-770431c7d64f","timestamp":"2026-04-03T08:35:21.469Z","tool_use_result":"Error: Exit code 1\nerror: Unknown option: --script\n\nchrome-devtools evaluate-script - Evaluate a JavaScript function inside the currently selected page. Returns the response as JSON,\nso returned values have to be JSON-serializable.\n\nUSAGE:\n  chrome-devtools evaluate-script [options]\n\nOPTIONS:\n  --function STRING     (required) A JavaScript function declaration to be executed by the tool in the currently selected page.\nExample without arguments: `() => {\n  return document.title\n}` or `async () => {\n  return await fetch(\"example.com\")\n}`.\nExample with arguments: `(el) => {\n  return el.innerText;\n}`\n  --args [STRING]   (optional) An optional list of arguments to pass to the function.\n  --quiet                    (optional) Truncate large output to a short preview"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Amqbz2T4z5UuSjRguwFKmx","type":"tool_result","content":"Script ran on page and returned:\n```json\n[[\"India\",\"1,417,492,000\",\"17.2%\",\"1 Jul 2025\",\"Official projection[4]\",\"[b]\"],[\"China\",\"1,404,890,000\",\"17.1%\",\"31 Dec 2025\",\"Official estimate[5]\",\"[c]\"],[\"United States\",\"341,784,857\",\"4.1%\",\"1 Jul 2025\",\"Official estimate[6]\",\"[d]\"],[\"Indonesia\",\"288,315,089\",\"3.5%\",\"31 Dec 2025\",\"National annual projection[7]\",\"\"]]\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"87073ab5-7a0c-4003-b33d-b7625523c3de","uuid":"3495f751-66e6-430f-a879-35f1303b4a79","timestamp":"2026-04-03T08:35:24.508Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n[[\"India\",\"1,417,492,000\",\"17.2%\",\"1 Jul 2025\",\"Official projection[4]\",\"[b]\"],[\"China\",\"1,404,890,000\",\"17.1%\",\"31 Dec 2025\",\"Official estimate[5]\",\"[c]\"],[\"United States\",\"341,784,857\",\"4.1%\",\"1 Jul 2025\",\"Official estimate[6]\",\"[d]\"],[\"Indonesia\",\"288,315,089\",\"3.5%\",\"31 Dec 2025\",\"National annual projection[7]\",\"\"]]\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01YFEQdfmx3dEaZP3jGAAEKV","type":"message","role":"assistant","content":[{"type":"text","text":"The top 3 countries by population according to the Wikipedia article are:\n\n| Rank | Country | Population |\n|------|---------|------------|\n| 1 | **India** | 1,417,492,000 |\n| 2 | **China** | 1,404,890,000 |\n| 3 | **United States** | 341,784,857 |\n\nIndia leads with ~1.42 billion people (17.2% of world population), narrowly ahead of China at ~1.40 billion (17.1%). The United States is a distant third at ~342 million (4.1%)."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":307,"cache_read_input_tokens":17132,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":307},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"87073ab5-7a0c-4003-b33d-b7625523c3de","uuid":"0ac51c03-aa0b-424e-b246-ce9bcccbbe82"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":16731,"duration_api_ms":14357,"num_turns":5,"result":"The top 3 countries by population according to the Wikipedia article are:\n\n| Rank | Country | Population |\n|------|---------|------------|\n| 1 | **India** | 1,417,492,000 |\n| 2 | **China** | 1,404,890,000 |\n| 3 | **United States** | 341,784,857 |\n\nIndia leads with ~1.42 billion people (17.2% of world population), narrowly ahead of China at ~1.40 billion (17.1%). The United States is a distant third at ~342 million (4.1%).","stop_reason":"end_turn","session_id":"87073ab5-7a0c-4003-b33d-b7625523c3de","total_cost_usd":0.06567885,"usage":{"input_tokens":6,"cache_creation_input_tokens":8993,"cache_read_input_tokens":74857,"output_tokens":632,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":8993,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":6,"outputTokens":632,"cacheReadInputTokens":74857,"cacheCreationInputTokens":8993,"webSearchRequests":0,"costUSD":0.06567885,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"0e854410-97c8-4b3c-b422-3421451f9184"}
