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{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01BAWR1GA3hiTyHif5cZSEwx","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user wants me to navigate to https://example.com and report the main heading. I'll use the chrome-devtools CLI tool.","signature":"ErYCClsIDBgCKkDCnkvDruxVN/Ul4LuJ2bULh1oiQkszJuTPNjUJ7fquB7V3eTQnGP4V8j5XqO6X4lS6GE5Zxivo2d/gPsbtcwN9MhFjbGF1ZGUtc29ubmV0LTQtNjgAEgycpTUAOrX8/f8XxIcaDOxqYPYCO+MplouRNiIwNZORsj2XEZjYLYxrMgLaJHaLH3Lxx/+/m08Cr7/fyh6MnrRErwFBWg8byDFLzdeVKogBL33rbiMEH+kBr3/CA4D5ige3FJSS3gKBWC1TY+ZPXU5mr2EkqCIPXH6xU+ZqqLhXpSglPux4pfSjrlmjX3ufFZY8iQMPYTpi6VlIsjk4U4qrZhFMP27kTqPWPAYahan1u3p+6TFMQRc/kPDqM1We12eWzLNtbC1egbz01y8dpwU1Io4xqFgIoBgB"}],"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":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"cd69f842-f66c-4b3c-a51d-96162998eaf4"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01BAWR1GA3hiTyHif5cZSEwx","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01JkesBAvisDKzXbyni9iSU2","name":"Bash","input":{"command":"chrome-devtools navigate --url https://example.com && chrome-devtools evaluate --expression \"document.querySelector('h1').textContent\""},"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":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"9e10ee25-e5f7-48a1-9f77-04d491f2fba9"}
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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_01JkesBAvisDKzXbyni9iSU2"}]},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"f8cb8a3c-c923-4955-8c39-c8fb199cdeb0","timestamp":"2026-04-03T08:54:28.680Z","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."}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CkYri5xg2jr48GPsteJh4w","type":"tool_result","content":"## Pages\n1: about:blank\n2: https://example.com/ [selected]","is_error":false}]},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"bcde0948-0b62-4ebd-8e11-fd29d8a453be","timestamp":"2026-04-03T08:54:31.378Z","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_013mtSeuJStaTTSgPLwmUkvh","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01LXmT5EjWfZUM6Vzos2Ntrv","name":"Bash","input":{"command":"chrome-devtools evaluate-script --script \"document.querySelector('h1').textContent\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":399,"cache_read_input_tokens":15867,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":399},"output_tokens":62,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"9104120e-cb48-4674-bbe4-7cf6f8fb5e88"}
{"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_01LXmT5EjWfZUM6Vzos2Ntrv"}]},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"c94fa5b6-a140-4887-bb6e-6aa0db1d0229","timestamp":"2026-04-03T08:54:33.535Z","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_01S6pkqWgfKFWivbjKg29ot4","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Dkd1dQshReKuHmnUvD3um1","name":"Bash","input":{"command":"chrome-devtools evaluate-script --function \"() => document.querySelector('h1').textContent\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":380,"cache_read_input_tokens":16169,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":380},"output_tokens":57,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"6581c44a-8b2a-4537-b103-b0a8364cece8"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Dkd1dQshReKuHmnUvD3um1","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":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"d7c1366e-117b-43ae-87ec-958f1ee43cd7","timestamp":"2026-04-03T08:54:35.947Z","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_01GyQGbe2zH1G1reF6sqPHiR","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":385,"cache_read_input_tokens":16266,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":385},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","uuid":"62d17522-c6f6-4bc7-aeaf-c98338b4cb3b"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":13248,"duration_api_ms":10861,"num_turns":5,"result":"The main heading on https://example.com is **\"Example Domain\"**.","stop_reason":"end_turn","session_id":"a5b70c43-413f-47a2-990f-b1d9b6c730c7","total_cost_usd":0.059897099999999995,"usage":{"input_tokens":6,"cache_creation_input_tokens":8730,"cache_read_input_tokens":72772,"output_tokens":354,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":8730,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":6,"outputTokens":354,"cacheReadInputTokens":72772,"cacheCreationInputTokens":8730,"webSearchRequests":0,"costUSD":0.059897099999999995,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"380bf0e7-959e-4dcc-8e5b-2e9c84335164"}
