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{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01G8q8jEm1kKkgTLWziLi7ET","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Let me use the dev-browser to navigate to the Wikipedia article for Ada Lovelace and then follow the link to Charles Babbage.","signature":"ErsCClsIDBgCKkD6DTvFoWV7zXhiUN1LWfTiEaRvAF7S5GYSkduTizQK3275dHtiAsK2xsqKhVSstHUBG/i1Up+zBGVicCqGuiqFMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgy30nCbSvfgqTcfnM4aDMw3UlJrXHmkbiyw/iIwvzrqrFsPKC3mgYpZaGOdU/5UG7h6gKXB4sVrqj8RUrtvyhfndkGBjVwSvodx9p+cKo0BK6oOmZaJIJzQEQux/TduLHr3LSTec61eND+FTv0IvoYiPR8Bgo6loFjNx4VWRy6HDliDdmBgrSumkCcKf1FxJp1e2j3zVMuDY+iiQYhGQ3aPSJbcM+hJ03n/qsDyE9tKE7MDs9pmIMa4gTrQmGdSTqhNxBJSUw5Tz9vPv9rq1fNA5Ypl0WIt6UAT8JCkGAE="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":7303,"cache_read_input_tokens":8603,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":7303},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"34f7264e-3d52-4a26-9a66-d5c49f8637cf"}
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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\n    at <anonymous> (user-script.js:15:7)\n    at <anonymous> (user-script.js:31:3)","is_error":true,"tool_use_id":"toolu_01BjsndDpvavDkjajQDGvibr"}]},"parent_tool_use_id":null,"session_id":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"f3d63242-2fd5-4ff4-8a24-d2ac38dac6fc","timestamp":"2026-04-03T09:29:07.220Z","tool_use_result":"Error: Exit code 1\n    at <anonymous> (user-script.js:15:7)\n    at <anonymous> (user-script.js:31:3)"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01TR6X8UqKXbT3YKSpzCMkiZ","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_013ueDM3RdZZXJhniwPkAbaf","name":"Bash","input":{"command":"cat << 'EOF' > /tmp/wiki_script2.js\n// Navigate to Ada Lovelace Wikipedia article\nawait page.goto('https://en.wikipedia.org/wiki/Ada_Lovelace');\nawait page.waitForLoadState('networkidle');\n\n// Find and click the Charles Babbage link\nconst links = await page.locator('a').all();\nlet babbageHref = null;\nfor (const link of links) {\n  const href = await link.getAttribute('href');\n  const text = await link.textContent();\n  if (text && text.includes('Charles Babbage') && href && href.includes('Babbage')) {\n    babbageHref = href;\n    await link.click();\n    break;\n  }\n}\nconsole.log('Clicked link:', babbageHref);\nawait page.waitForLoadState('networkidle');\n\nconst title = await page.title();\nconsole.log('Page title:', title);\n\n// Try to get birth date\ntry {\n  const birthDate = await page.locator('.bday').first().textContent();\n  console.log('Birth date (.bday):', birthDate);\n} catch(e) {\n  console.log('No .bday element found');\n}\n\n// Get infobox text\ntry {\n  const infobox = await page.locator('table.infobox').first().textContent();\n  console.log('Infobox:', infobox.substring(0, 800));\n} catch(e) {\n  console.log('No infobox found');\n}\nEOF\ndev-browser --headless --browser axi-bench-dev-browser-wikipedia_link_follow-run5 run /tmp/wiki_script2.js","description":"Navigate to Ada Lovelace, find and click Babbage link, extract birth date"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":446,"cache_read_input_tokens":15906,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":446},"output_tokens":67,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"12fcc678-4e5a-4729-aa6a-4d7b372fa374"}
{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\n    at <anonymous> (user-script.js:15:7)\n    at <anonymous> (user-script.js:52:3)","is_error":true,"tool_use_id":"toolu_013ueDM3RdZZXJhniwPkAbaf"}]},"parent_tool_use_id":null,"session_id":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"c7369ebf-2e9f-4147-88a3-c5208015e77d","timestamp":"2026-04-03T09:29:13.454Z","tool_use_result":"Error: Exit code 1\n    at <anonymous> (user-script.js:15:7)\n    at <anonymous> (user-script.js:52:3)"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01WCgsor8pxr2B2mk34Jhkk2","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":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"f88773e7-6f2d-405d-9ae7-dfc9f61b0485","timestamp":"2026-04-03T09:29:16.008Z","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_017i8Wk6RTMNnm2oNEcdJnge","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The scripts need to start with `const page = await browser.getPage(\"main\");` since `page` is not automatically available. Let me fix the scripts.","signature":"Es8CClsIDBgCKkAGsj9hzAUa/sATipV+u9rH8Lz9pmIdBRmA/sFPImE3VTB9E3Mi/5lms3EXJ+HQTSkpNZtfvSU0p9KOFmwkLK5dMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgy01TGyStRQrO1kVO4aDHe8qFQqtyTP4BKjZyIwTXztKhA64aJ7xJ69UW4ehb8I0yypohiqwguCV2Ll1k70gazk+wnnUTpYdcurzRR5KqEB0peXx20Z3fUE+QGFYI5X9VbtA1ghgs8YrCj61ndg3cvnYpxV1X3wNpJN3QhiW+evNAOKZcetyKW3sKTn4XtQSg6U2P17FCFLqXovrkJ44AHrgfcNJEHWTKNe1GeTHmnTisUyv8w1tWpg57eCZashjE+i8ayPelIzP7p5R9hUcmNxqRlYF7+Nn0pW1hl8X+ZNSlQjEscPJtVjZnyXJ4laal4YAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1391,"cache_read_input_tokens":16352,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1391},"output_tokens":9,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"f85d7d8e-3fa0-4396-ba84-4d0cfd38424b"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_017i8Wk6RTMNnm2oNEcdJnge","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017fwMLQoTDszvMc9Mk297Ks","name":"Bash","input":{"command":"dev-browser --headless --browser axi-bench-dev-browser-wikipedia_link_follow-run5 << 'EOF'\nconst page = await browser.getPage(\"main\");\nawait page.goto('https://en.wikipedia.org/wiki/Ada_Lovelace');\nawait page.waitForLoadState('networkidle');\n\n// Find and click the Charles Babbage link\nconst babbageLink = await page.locator('a[href=\"/wiki/Charles_Babbage\"]').first();\nawait babbageLink.click();\nawait page.waitForLoadState('networkidle');\n\nconst title = await page.title();\nconsole.log('Page title:', title);\n\n// Try to get birth date\ntry {\n  const birthDate = await page.locator('.bday').first().textContent();\n  console.log('Birth date:', birthDate);\n} catch(e) {\n  console.log('No .bday element');\n}\n\n// Get infobox text\nconst infobox = await page.locator('table.infobox').first().textContent();\nconsole.log('Infobox:', infobox.substring(0, 600));\nEOF","description":"Navigate to Ada Lovelace, click Babbage link, extract birth date"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1391,"cache_read_input_tokens":16352,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1391},"output_tokens":9,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"7ee29dc5-9e68-4829-858d-ba1192c032b8"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017fwMLQoTDszvMc9Mk297Ks","type":"tool_result","content":"Page title: Charles Babbage - Wikipedia\nBirth date: 1791-12-26\nInfobox: Charles BabbageKH FRSBabbage in 1860Born(1791-12-26)26 December 1791London, EnglandDied18 October 1871(1871-10-18) (aged 79)Marylebone, London, EnglandAlma materPeterhouse, CambridgeKnown forAnalytical engineDifference engineSpouse.mw-parser-output .marriage-line-margin2px{line-height:0;margin-bottom:-2px}.mw-parser-output .marriage-line-margin3px{line-height:0;margin-bottom:-3px}.mw-parser-output .marriage-display-inline{display:inline}\nGeorgiana Whitmore\n   ​ ​(m. 1814; died 1827)​Children8, including Benjamin Herschel Babbage and Henry Prevost BabbageRelativesWilliam Wolryche-Whitmore (brot","is_error":false}]},"parent_tool_use_id":null,"session_id":"8ebaca2b-ddf9-46fa-81ce-891532bcdbd1","uuid":"f237887a-587c-4bcc-8215-0f4667457dbe","timestamp":"2026-04-03T09:29:22.881Z","tool_use_result":{"stdout":"Page title: Charles Babbage - Wikipedia\nBirth date: 1791-12-26\nInfobox: Charles BabbageKH FRSBabbage in 1860Born(1791-12-26)26 December 1791London, EnglandDied18 October 1871(1871-10-18) (aged 79)Marylebone, London, EnglandAlma materPeterhouse, CambridgeKnown forAnalytical engineDifference engineSpouse.mw-parser-output .marriage-line-margin2px{line-height:0;margin-bottom:-2px}.mw-parser-output .marriage-line-margin3px{line-height:0;margin-bottom:-3px}.mw-parser-output .marriage-display-inline{display:inline}\nGeorgiana Whitmore\n   ​ ​(m. 1814; died 1827)​Children8, including Benjamin Herschel Babbage and Henry Prevost BabbageRelativesWilliam Wolryche-Whitmore (brot","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
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