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{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01LFBNhcyG8cYYUmNhXTY4jC","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Let me use the dev-browser to navigate to these URLs.","signature":"EvIBClsIDBgCKkCSDEGURTuBdqT7kPRh9yG9Jz3ykUatVR/wK2tss+kwsXayf1vpjMFD9l0aoYDXV8nkJLQJO56PUgl6Xwr+JQl2MhFjbGF1ZGUtc29ubmV0LTQtNjgAEgznaLhsi2LgQFBLERwaDCWTSRfG27eJK3nk5SIwNMNa+hom4rfsFaSJSrXS+t9wQ2yx1XwCVKpqnCUcuFnr5Oh3bNWIy2HeYmZOgxxvKkWWcSTLEdhTWvYjqsWrsiAr+WigS9RB4OpZQgM1ze3yRTv03fLLPCG5UA8llpgXod6ADK7qU0YQW3HHBMcOLypnc5jcz9sYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":7295,"cache_read_input_tokens":8603,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":7295},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"8ed9f7a6-d95b-44c2-aef7-d1383c87002b"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01LFBNhcyG8cYYUmNhXTY4jC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Fn8erQvwh1AfGzHL89YV5Q","name":"Bash","input":{"command":"cat > /tmp/navigate_test.js << 'EOF'\nconst page = await axi.newPage();\n\n// Navigate to 404 URL\nconsole.log(\"Navigating to 404 URL...\");\nconst response1 = await page.goto(\"https://httpbin.org/status/404\");\nconsole.log(\"Status code:\", response1.status());\nconsole.log(\"Status text:\", response1.statusText());\n\n// Navigate to html URL\nconsole.log(\"\\nNavigating to HTML URL...\");\nconst response2 = await page.goto(\"https://httpbin.org/html\");\nconsole.log(\"Status code:\", response2.status());\nconst content = await page.content();\nconst title = await page.title();\nconsole.log(\"Page title:\", title);\n\n// Get visible text\nconst bodyText = await page.evaluate(() => document.body.innerText);\nconsole.log(\"Body text (first 500 chars):\", bodyText.substring(0, 500));\nEOF\ndev-browser --headless --browser axi-bench-dev-browser-navigate_404-run4 run /tmp/navigate_test.js","description":"Navigate to 404 and HTML URLs"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":7295,"cache_read_input_tokens":8603,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":7295},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"e96c2f6f-7fdb-4a4f-957d-447e8f38406e"}
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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\n    at <anonymous> (user-script.js:14:20)\n    at <anonymous> (user-script.js:34:3)","is_error":true,"tool_use_id":"toolu_01Fn8erQvwh1AfGzHL89YV5Q"}]},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"55b72cf4-aba0-40db-a124-48d1db20fee2","timestamp":"2026-04-03T09:17:39.357Z","tool_use_result":"Error: Exit code 1\n    at <anonymous> (user-script.js:14:20)\n    at <anonymous> (user-script.js:34:3)"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01ACGScnXcKDejsXupsAgipY","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01G73FxbJ6xgzaSHiG1FTfSZ","name":"Bash","input":{"command":"cat > /tmp/navigate_test2.js << 'EOF'\nconst page = await axi.newPage();\n\n// Navigate to 404 URL\nconsole.log(\"Navigating to 404 URL...\");\nlet response1;\ntry {\n  response1 = await page.goto(\"https://httpbin.org/status/404\");\n  console.log(\"Status code:\", response1.status());\n  console.log(\"Status text:\", response1.statusText());\n} catch (e) {\n  console.log(\"Error navigating to 404:\", e.message);\n}\n\n// Navigate to html URL\nconsole.log(\"\\nNavigating to HTML URL...\");\nconst response2 = await page.goto(\"https://httpbin.org/html\");\nconsole.log(\"Status code:\", response2.status());\nconst title = await page.title();\nconsole.log(\"Page title:\", title);\nconst bodyText = await page.evaluate(() => document.body.innerText);\nconsole.log(\"Body text (first 500 chars):\", bodyText.substring(0, 500));\nEOF\ndev-browser --headless --browser axi-bench-dev-browser-navigate_404-run4 run /tmp/navigate_test2.js","description":"Navigate with error handling"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":423,"cache_read_input_tokens":15898,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":423},"output_tokens":70,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"23e762e6-3ac9-4b5d-a39a-3efd28e604f4"}
{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\n    at <anonymous> (user-script.js:14:20)\n    at <anonymous> (user-script.js:36:3)","is_error":true,"tool_use_id":"toolu_01G73FxbJ6xgzaSHiG1FTfSZ"}]},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"87cdb2ef-3071-41fc-b834-3e891e7e1ca9","timestamp":"2026-04-03T09:17:45.650Z","tool_use_result":"Error: Exit code 1\n    at <anonymous> (user-script.js:14:20)\n    at <anonymous> (user-script.js:36:3)"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_014VrdMk1PzbHVvUd2whUbsJ","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01CoMGGDm57SGTxbjkMRNWVd","name":"Bash","input":{"command":"dev-browser --help 2>&1 | head -60","description":"Check dev-browser help"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":414,"cache_read_input_tokens":16321,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":414},"output_tokens":59,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"3f49818c-7578-409f-a6ad-b5f8a0db0df5"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CoMGGDm57SGTxbjkMRNWVd","type":"tool_result","content":"Dev Browser is a CLI for controlling local or external browsers with JavaScript scripts.\nScripts run in a sandboxed QuickJS runtime (not Node.js). Top-level `await` is\navailable, along with a preconnected `browser` global and standard `console` output.\nA background daemon starts automatically when needed and manages browser instances,\nnamed pages, and CDP connections.\n\nSANDBOX ENVIRONMENT:\n  Scripts execute inside a QuickJS WASM sandbox with no arbitrary access to the host system.\n  This is NOT Node.js — the following are NOT available:\n    - require() / import()     No module loading\n    - process                  No process access\n    - fs / path / os           No direct filesystem access\n    - fetch / WebSocket        No direct network access\n    - __dirname / __filename   No path globals\n\n  Available globals:\n    browser                    Pre-connected browser handle (see API below)\n    console                    log, warn, error, info (routed to CLI output)\n    setTimeout / clearTimeout  Basic timers\n    saveScreenshot(buf, name)  Save a screenshot buffer (async, must be awaited)\n    writeFile(name, data)      Write a file to temp dir (async, must be awaited)\n    readFile(name)             Read a file from temp dir (async, must be awaited)\n\n  Memory and CPU limits are enforced. Infinite loops will be interrupted.\n\nPrimary invocation styles:\n  dev-browser <<'EOF'\n    const page = await browser.getPage(\"main\");\n    await page.goto(\"https://example.com\");\n    console.log(await page.title());\n  EOF\n\n  dev-browser run script.js\n  dev-browser --browser my-project < script.js\n  dev-browser --connect http://localhost:9222 <<'EOF'\n    const page = await browser.getPage(\"main\");\n    await page.goto(\"https://example.com\");\n  EOF\n  dev-browser --connect <<'EOF'\n    const page = await browser.getPage(\"main\");\n    console.log(await page.title());\n  EOF\n\nScript API available inside every script:\n  browser.getPage(nameOrId) Get a page by name (creates if new) or connect to an existing\n                            tab by its targetId from listPages().\n  browser.newPage()       Create an anonymous page. Anonymous pages are cleaned up after the script exits.\n  browser.listPages()       List all tabs: named pages and existing browser tabs.\n                            Returns [{id, url, title, name}].\n  browser.closePage(name) Close and remove a named page.\n  await saveScreenshot(buf: Buffer, name: string): Promise<string>\n                          Save a screenshot buffer to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the saved file.\n                          Example: const path = await saveScreenshot(await page.screenshot(), \"home.png\");\n\n  await writeFile(name: string, data: string): Promise<string>\n                          Write data to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the written file.\n                          Example: const path = await writeFile(\"results.json\", JSON.stringify(data));","is_error":false}]},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"bd96363b-110c-4365-a11a-b6219a247dde","timestamp":"2026-04-03T09:17:47.670Z","tool_use_result":{"stdout":"Dev Browser is a CLI for controlling local or external browsers with JavaScript scripts.\nScripts run in a sandboxed QuickJS runtime (not Node.js). Top-level `await` is\navailable, along with a preconnected `browser` global and standard `console` output.\nA background daemon starts automatically when needed and manages browser instances,\nnamed pages, and CDP connections.\n\nSANDBOX ENVIRONMENT:\n  Scripts execute inside a QuickJS WASM sandbox with no arbitrary access to the host system.\n  This is NOT Node.js — the following are NOT available:\n    - require() / import()     No module loading\n    - process                  No process access\n    - fs / path / os           No direct filesystem access\n    - fetch / WebSocket        No direct network access\n    - __dirname / __filename   No path globals\n\n  Available globals:\n    browser                    Pre-connected browser handle (see API below)\n    console                    log, warn, error, info (routed to CLI output)\n    setTimeout / clearTimeout  Basic timers\n    saveScreenshot(buf, name)  Save a screenshot buffer (async, must be awaited)\n    writeFile(name, data)      Write a file to temp dir (async, must be awaited)\n    readFile(name)             Read a file from temp dir (async, must be awaited)\n\n  Memory and CPU limits are enforced. Infinite loops will be interrupted.\n\nPrimary invocation styles:\n  dev-browser <<'EOF'\n    const page = await browser.getPage(\"main\");\n    await page.goto(\"https://example.com\");\n    console.log(await page.title());\n  EOF\n\n  dev-browser run script.js\n  dev-browser --browser my-project < script.js\n  dev-browser --connect http://localhost:9222 <<'EOF'\n    const page = await browser.getPage(\"main\");\n    await page.goto(\"https://example.com\");\n  EOF\n  dev-browser --connect <<'EOF'\n    const page = await browser.getPage(\"main\");\n    console.log(await page.title());\n  EOF\n\nScript API available inside every script:\n  browser.getPage(nameOrId) Get a page by name (creates if new) or connect to an existing\n                            tab by its targetId from listPages().\n  browser.newPage()       Create an anonymous page. Anonymous pages are cleaned up after the script exits.\n  browser.listPages()       List all tabs: named pages and existing browser tabs.\n                            Returns [{id, url, title, name}].\n  browser.closePage(name) Close and remove a named page.\n  await saveScreenshot(buf: Buffer, name: string): Promise<string>\n                          Save a screenshot buffer to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the saved file.\n                          Example: const path = await saveScreenshot(await page.screenshot(), \"home.png\");\n\n  await writeFile(name: string, data: string): Promise<string>\n                          Write data to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the written file.\n                          Example: const path = await writeFile(\"results.json\", JSON.stringify(data));","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01TS7WRxTy1h79f8mJtscGCV","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"I see - the global is `browser`, not `axi`. And `browser.newPage()` creates an anonymous page, while `browser.getPage(name)` creates a named page. Let me fix the script.","signature":"EucCClsIDBgCKkCkeFSSUei+yRuIoUi11LVYvl4FTUbWQ/oY7VfG78mZ6XXktBFKfQeT+pMTSMVr13qlN8bV/Fsx6ZyvZAqwSjz8MhFjbGF1ZGUtc29ubmV0LTQtNjgAEgzIp5/XRHGu+XB6wrwaDJslaApZBH9UqQdUOCIw84ToVckAZvBcYYchq7pECO620XDjNI0ssa6gqzDFLq9ur9N3ZC5uxqnpDiMdufDyKrkBW4m9lL4n3BVNjbbGbJPXXIREZWAQ+bxpzkmrGTSX2YtCUkNDQa6hAYZOXQyrV4eHSNPfSTB+27Z+b5choE+gbUlnQeCa4+pY+2wI3/oelnyFQHmjdp1Ao7OnZm7QF6hOH3xo4qqjKWmNtw5/eAgp7/lwL6Lu7fD7NGkzz5x+fgPiNKDzI1LUGDHBBtjiVljRQbqq0t91SbsHktQpmhgXxBoRMjgf+PsybIVEqkCGnGdfoC84Wc6ebXYYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":834,"cache_read_input_tokens":16735,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":834},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"5a8875c6-fd93-4269-93c7-e47c09e63b73"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01TS7WRxTy1h79f8mJtscGCV","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01S5EbwEAzoB1SXTNyYKoZ4C","name":"Bash","input":{"command":"cat > /tmp/navigate_test3.js << 'EOF'\nconst page = await browser.getPage(\"main\");\n\n// Navigate to 404 URL\nconsole.log(\"Navigating to 404 URL...\");\nlet status1, statusText1;\ntry {\n  const response1 = await page.goto(\"https://httpbin.org/status/404\");\n  status1 = response1.status();\n  statusText1 = response1.statusText();\n  console.log(\"Status code:\", status1);\n  console.log(\"Status text:\", statusText1);\n} catch (e) {\n  console.log(\"Error navigating to 404:\", e.message);\n}\n\n// Navigate to html URL\nconsole.log(\"\\nNavigating to HTML URL...\");\nconst response2 = await page.goto(\"https://httpbin.org/html\");\nconsole.log(\"Status code:\", response2.status());\nconst title = await page.title();\nconsole.log(\"Page title:\", title);\nconst bodyText = await page.evaluate(() => document.body.innerText);\nconsole.log(\"Body text (first 500 chars):\", bodyText.substring(0, 500));\nEOF\ndev-browser --headless --browser axi-bench-dev-browser-navigate_404-run4 run /tmp/navigate_test3.js","description":"Navigate using browser.getPage"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":834,"cache_read_input_tokens":16735,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":834},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"9cbba85d-4a13-4634-9122-f2e0b4d94d3a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01S5EbwEAzoB1SXTNyYKoZ4C","type":"tool_result","content":"Navigating to 404 URL...\nStatus code: 404\nStatus text: \n\nNavigating to HTML URL...\nStatus code: 200\nPage title: \nBody text (first 500 chars): Herman Melville - Moby-Dick\n\nAvailing himself of the mild, summer-cool weather that now reigned in these latitudes, and in preparation for the peculiarly active pursuits shortly to be anticipated, Perth, the begrimed, blistered old blacksmith, had not removed his portable forge to the hold again, after concluding his contributory work for Ahab's leg, but still retained it on deck, fast lashed to ringbolts by the foremast; being now almost incessantly invoked by the headsmen, and harpooneers, and","is_error":false}]},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"c523d8d9-ec88-4a55-b21c-0c22bd324766","timestamp":"2026-04-03T09:17:53.412Z","tool_use_result":{"stdout":"Navigating to 404 URL...\nStatus code: 404\nStatus text: \n\nNavigating to HTML URL...\nStatus code: 200\nPage title: \nBody text (first 500 chars): Herman Melville - Moby-Dick\n\nAvailing himself of the mild, summer-cool weather that now reigned in these latitudes, and in preparation for the peculiarly active pursuits shortly to be anticipated, Perth, the begrimed, blistered old blacksmith, had not removed his portable forge to the hold again, after concluding his contributory work for Ahab's leg, but still retained it on deck, fast lashed to ringbolts by the foremast; being now almost incessantly invoked by the headsmen, and harpooneers, and","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_019ihpqpesgiMji3WK7Rothr","type":"message","role":"assistant","content":[{"type":"text","text":"Here's what I found:\n\n**https://httpbin.org/status/404**\n- **Error:** HTTP `404 Not Found` — the server responded with a 404 status code, indicating the requested resource does not exist (this endpoint is specifically designed to return that status).\n\n**https://httpbin.org/html**\n- **Status:** `200 OK` — browsing works normally.\n- **Page content:** An excerpt from *Herman Melville's Moby-Dick*, describing the blacksmith Perth and his portable forge on deck, lashed by the foremast. The page is a standard HTML demo page served by httpbin."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":635,"cache_read_input_tokens":17569,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":635},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","uuid":"4c5dfe91-9962-42ce-8a6e-4503f8f7ad9d"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":26216,"duration_api_ms":24455,"num_turns":5,"result":"Here's what I found:\n\n**https://httpbin.org/status/404**\n- **Error:** HTTP `404 Not Found` — the server responded with a 404 status code, indicating the requested resource does not exist (this endpoint is specifically designed to return that status).\n\n**https://httpbin.org/html**\n- **Status:** `200 OK` — browsing works normally.\n- **Page content:** An excerpt from *Herman Melville's Moby-Dick*, describing the blacksmith Perth and his portable forge on deck, lashed by the foremast. The page is a standard HTML demo page served by httpbin.","stop_reason":"end_turn","session_id":"41eea668-2c5d-4f24-9ed9-5396d985da71","total_cost_usd":0.07957455000000001,"usage":{"input_tokens":6,"cache_creation_input_tokens":9601,"cache_read_input_tokens":75126,"output_tokens":1401,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":9601,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":6,"outputTokens":1401,"cacheReadInputTokens":75126,"cacheCreationInputTokens":9601,"webSearchRequests":0,"costUSD":0.07957455000000001,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"7a22c2a1-3ae3-423f-aecc-cb40b86c340d"}
