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{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01U1pQdx95YNDpL31pbyYbXZ","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user wants me to navigate to https://example.com and report the main heading. I should use the chrome-devtools CLI tool.","signature":"EroCClsIDBgCKkATab1Q2Lp90gMJamgngG/pNkxn6nDUF+O1Rvtmcb59n0RS1P9EDeSNvIQQPtmcraHi18sgUYGUamT3s7ZY0z+xMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgyfUHY6bw7/QMtw3dgaDKykCqGPjNvQrCrWSyIwa/y32oGoWDVOHNkLccUzvJwP3gW2YLjodAZQVXtruU+xTERSAZz5tcD3/GjxwyGfKowBuKQUqm5gnabnhJ7MGQE5Mmkgj1yG0Job79a8eyegAI4TkR28fH6b8e/XbAOaaeepy7dGqo2+jOWeaAhODHwATK8uZqW0HVBQVA1WkNP53lN3DxE1tEzWVd5xBHLsjDNK/TyPb9M5rMitZW7JwE5hIhIB1fN/ca9pbgHoHZqzVrvQCZixtLZ1V4xFr4MYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":7264,"cache_read_input_tokens":8603,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":7264},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"bbb746cd-ec4f-47c8-953a-4c4803051126"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01U1pQdx95YNDpL31pbyYbXZ","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01HnsDWP7JxoiuGiUciNGjMM","name":"Bash","input":{"command":"chrome-devtools navigate --url https://example.com && chrome-devtools evaluate --expression \"document.querySelector('h1').textContent\"","description":"Navigate to example.com and extract the h1 heading"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":7264,"cache_read_input_tokens":8603,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":7264},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"4eb8e7d6-f8b1-40e7-acdb-bd467e12c947"}
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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\nerror: unknown subcommand 'navigate'\n\nAvailable subcommands: click, close-page, drag, emulate, evaluate-script, fill, fill-form, get-console-message, get-network-request, handle-dialog, hover, lighthouse-audit, list-console-messages, list-network-requests, list-pages, navigate-page, new-page, performance-analyze-insight, performance-start-trace, performance-stop-trace, press-key, resize-page, select-page, take-memory-snapshot, take-screenshot, take-snapshot, type-text, upload-file, wait-for\nRun './chrome-devtools --help' for usage.","is_error":true,"tool_use_id":"toolu_01HnsDWP7JxoiuGiUciNGjMM"}]},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"de37b181-21c5-4a21-8a9f-87a1e07c4d0f","timestamp":"2026-04-03T08:53:41.676Z","tool_use_result":"Error: Exit code 1\nerror: unknown subcommand 'navigate'\n\nAvailable subcommands: click, close-page, drag, emulate, evaluate-script, fill, fill-form, get-console-message, get-network-request, handle-dialog, hover, lighthouse-audit, list-console-messages, list-network-requests, list-pages, navigate-page, new-page, performance-analyze-insight, performance-start-trace, performance-stop-trace, press-key, resize-page, select-page, take-memory-snapshot, take-screenshot, take-snapshot, type-text, upload-file, wait-for\nRun './chrome-devtools --help' for usage."}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01QWurwYhuzCR1nLNx82kZfG","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_011AMEAuFoHBeMk6XtLiQsNB","name":"Bash","input":{"command":"chrome-devtools new-page --url https://example.com","description":"Open example.com in a new page"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":330,"cache_read_input_tokens":15867,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":330},"output_tokens":59,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"0c84d3d8-2326-49c8-8e4f-66cf4c081d50"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_011AMEAuFoHBeMk6XtLiQsNB","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://example.com/ [selected]","is_error":false}]},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"f444b6bb-41e8-46fd-ae59-a254903a3e3f","timestamp":"2026-04-03T08:53:49.269Z","tool_use_result":{"stdout":"## Pages\n1: about:blank\n2: https://example.com/ [selected]","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01Jv3yhsF1en3v5qWnDPYnpi","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01T6Uze3GN1hnAbnpZjNqXCH","name":"Bash","input":{"command":"chrome-devtools evaluate-script --script \"document.querySelector('h1').textContent\"","description":"Extract h1 heading text from example.com"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":121,"cache_read_input_tokens":16197,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":121},"output_tokens":62,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"c2cede33-2b72-49f7-a355-abe2ceed0115"}
{"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_01T6Uze3GN1hnAbnpZjNqXCH"}]},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"8ed4d9d6-60ee-496c-aa82-de355151977c","timestamp":"2026-04-03T08:53:53.913Z","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"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01CneWHL4ifckQEbo4v19CLr","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01VopCeEQcyx91VNFmhrkZ5z","name":"Bash","input":{"command":"chrome-devtools evaluate-script --function \"() => document.querySelector('h1').textContent\"","description":"Extract h1 heading text from example.com"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":309,"cache_read_input_tokens":16318,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":309},"output_tokens":66,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"c694beef-12b0-45f4-b6ed-d3f90932beda"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01VopCeEQcyx91VNFmhrkZ5z","type":"tool_result","content":"Script ran on page and returned:\n```json\n\"Example Domain\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"a600ee0b-bb3f-4935-81d5-68aad9e22b65","timestamp":"2026-04-03T08:53:56.329Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n\"Example Domain\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01FbfxdB2ee3jwXJ79TsRicw","type":"message","role":"assistant","content":[{"type":"text","text":"The main heading on https://example.com is **\"Example Domain\"**."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":128,"cache_read_input_tokens":16627,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":128},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"874a565a-3ced-40e3-8f08-109e577148c0","uuid":"483d71b2-2bc5-45e9-99b6-873fb9ee7d4e"}
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