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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01WQ1GFuQm2zmivmm5vYz7iU","type":"tool_result","content":"=== Wikipedia ===\nDesigner: Script ran on page and returned:\n```json\n\"Not found\"\n```\n\n=== GitHub ===\nStars: Script ran on page and returned:\n```json\n\"You must be signed in to star a repository\"\n```\n\n=== rust-lang.org ===\nTagline: Script ran on page and returned:\n```json\n\"Rust\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"92312be5-c238-435e-9ed5-74a423df98b1","timestamp":"2026-04-07T19:46:44.598Z","tool_use_result":{"stdout":"=== Wikipedia ===\nDesigner: Script ran on page and returned:\n```json\n\"Not found\"\n```\n\n=== GitHub ===\nStars: Script ran on page and returned:\n```json\n\"You must be signed in to star a repository\"\n```\n\n=== rust-lang.org ===\nTagline: Script ran on page and returned:\n```json\n\"Rust\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01KK1a3aK35CAGFUS21TQo8T","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The script ran but some results need refinement. Let me take snapshots to see the actual page content and then extract the right information.","signature":"EssCClsIDBgCKkBkXnYa5rOOnqXVZj245ZswjT463llqP5iB4Timv/yG6TA82b0Woynr1UePIWAZfylrjQ1M9KPlZKDS/Fb+1ROIMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgzE0n9DER72zGRB/BIaDKTqniDqcJaPtdq2riIwe1o4oWlpmTp/gZzTEjUFQWHMq4MIbKRIXFjYBmKgdyoW6XGUdQok1LqODrRdD6WtKp0BuvCfcRQ8N6NUfP9aTpf1MoAAH7OBJYNJB4m9uRBXZjk7h8Jit5dcOAmInPCY0L+nS2zCwz+dQHdubd6UAhd9Gd9/naep6YcLPyLU0zJI19vE0Pzyb9v6AEMQgVyjeGjL6zgzArk+7A93uF8PBeLtNDwNMGuNDvzv/HyA63ZD16LcmOWPUnB9woNTAzBCVqOPvHmHVrApEOTvNTJUgBgB"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":182,"cache_read_input_tokens":18575,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":182},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"978d9cc7-987a-4bf8-a5a4-ee65912384f0"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01KK1a3aK35CAGFUS21TQo8T","type":"message","role":"assistant","content":[{"type":"text","text":"Let me inspect the actual page structure to find the right selectors."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":182,"cache_read_input_tokens":18575,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":182},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"9abc2577-43dc-4c3e-9982-0f1b4cf52248"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01KK1a3aK35CAGFUS21TQo8T","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01BjRecnYWVrSUJEJy5NGqDZ","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_rust2.ts","content":"import { navigatePage, takeSnapshot, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  // 1. Wikipedia - Designer\n  console.log(\"=== Wikipedia ===\");\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const wikiInfo = await evaluateScript({\n    script: `() => {\n      // Try multiple approaches for infobox\n      // Look for table rows with \"Designer\" or \"Designed by\"\n      const allTh = document.querySelectorAll('th');\n      for (const th of allTh) {\n        const text = th.textContent?.trim().toLowerCase() || '';\n        if (text.includes('design')) {\n          const td = th.closest('tr')?.querySelector('td');\n          if (td) return 'Designer cell: ' + td.textContent?.trim();\n        }\n      }\n      // Try getting first paragraph\n      const firstPara = document.querySelector('.mw-parser-output > p:not(.mw-empty-elt)');\n      return 'First para: ' + (firstPara?.textContent?.trim().substring(0, 300) || 'none');\n    }`\n  });\n  console.log(\"Wiki info:\", wikiInfo);\n\n  // 2. GitHub - Stars\n  console.log(\"\\n=== GitHub ===\");\n  await navigatePage({ url: \"https://github.com/rust-lang/rust\" });\n  const ghInfo = await evaluateScript({\n    script: `() => {\n      // Look for star count in various ways\n      const results = [];\n      // Check all elements with 'star' in their text nearby\n      const allLinks = document.querySelectorAll('a[href*=\"stargazers\"]');\n      for (const link of allLinks) {\n        results.push('stargazers link: ' + link.textContent?.trim().substring(0, 100));\n      }\n      // Check for specific counter elements\n      const counters = document.querySelectorAll('[id*=\"star\"], [class*=\"star\"]');\n      for (const el of Array.from(counters).slice(0, 5)) {\n        results.push('star element: ' + el.tagName + ' id=' + el.id + ' text=' + el.textContent?.trim().substring(0, 50));\n      }\n      return results.join(' | ') || 'nothing found';\n    }`\n  });\n  console.log(\"GH info:\", ghInfo);\n\n  // 3. rust-lang.org - Tagline\n  console.log(\"\\n=== rust-lang.org ===\");\n  await navigatePage({ url: \"https://www.rust-lang.org/\" });\n  const rustInfo = await evaluateScript({\n    script: `() => {\n      const results = [];\n      const headings = document.querySelectorAll('h1, h2, h3');\n      for (const h of Array.from(headings).slice(0, 6)) {\n        results.push(h.tagName + ': ' + h.textContent?.trim().substring(0, 100));\n      }\n      const ps = document.querySelectorAll('p');\n      for (const p of Array.from(ps).slice(0, 3)) {\n        results.push('p: ' + p.textContent?.trim().substring(0, 150));\n      }\n      return results.join('\\n');\n    }`\n  });\n  console.log(\"Rust.org info:\", rustInfo);\n}\n\nmain().catch(console.error);\n"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":182,"cache_read_input_tokens":18575,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":182},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"7e198798-66bf-4889-8e8b-b2e1194ecdca"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01BjRecnYWVrSUJEJy5NGqDZ","type":"tool_result","content":"File created successfully at: /Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_rust2.ts"}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"7e064766-b306-48e4-9adc-95d9a37f8e88","timestamp":"2026-04-07T19:46:58.287Z","tool_use_result":{"type":"create","filePath":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_rust2.ts","content":"import { navigatePage, takeSnapshot, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  // 1. Wikipedia - Designer\n  console.log(\"=== Wikipedia ===\");\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const wikiInfo = await evaluateScript({\n    script: `() => {\n      // Try multiple approaches for infobox\n      // Look for table rows with \"Designer\" or \"Designed by\"\n      const allTh = document.querySelectorAll('th');\n      for (const th of allTh) {\n        const text = th.textContent?.trim().toLowerCase() || '';\n        if (text.includes('design')) {\n          const td = th.closest('tr')?.querySelector('td');\n          if (td) return 'Designer cell: ' + td.textContent?.trim();\n        }\n      }\n      // Try getting first paragraph\n      const firstPara = document.querySelector('.mw-parser-output > p:not(.mw-empty-elt)');\n      return 'First para: ' + (firstPara?.textContent?.trim().substring(0, 300) || 'none');\n    }`\n  });\n  console.log(\"Wiki info:\", wikiInfo);\n\n  // 2. GitHub - Stars\n  console.log(\"\\n=== GitHub ===\");\n  await navigatePage({ url: \"https://github.com/rust-lang/rust\" });\n  const ghInfo = await evaluateScript({\n    script: `() => {\n      // Look for star count in various ways\n      const results = [];\n      // Check all elements with 'star' in their text nearby\n      const allLinks = document.querySelectorAll('a[href*=\"stargazers\"]');\n      for (const link of allLinks) {\n        results.push('stargazers link: ' + link.textContent?.trim().substring(0, 100));\n      }\n      // Check for specific counter elements\n      const counters = document.querySelectorAll('[id*=\"star\"], [class*=\"star\"]');\n      for (const el of Array.from(counters).slice(0, 5)) {\n        results.push('star element: ' + el.tagName + ' id=' + el.id + ' text=' + el.textContent?.trim().substring(0, 50));\n      }\n      return results.join(' | ') || 'nothing found';\n    }`\n  });\n  console.log(\"GH info:\", ghInfo);\n\n  // 3. rust-lang.org - Tagline\n  console.log(\"\\n=== rust-lang.org ===\");\n  await navigatePage({ url: \"https://www.rust-lang.org/\" });\n  const rustInfo = await evaluateScript({\n    script: `() => {\n      const results = [];\n      const headings = document.querySelectorAll('h1, h2, h3');\n      for (const h of Array.from(headings).slice(0, 6)) {\n        results.push(h.tagName + ': ' + h.textContent?.trim().substring(0, 100));\n      }\n      const ps = document.querySelectorAll('p');\n      for (const p of Array.from(ps).slice(0, 3)) {\n        results.push('p: ' + p.textContent?.trim().substring(0, 150));\n      }\n      return results.join('\\n');\n    }`\n  });\n  console.log(\"Rust.org info:\", rustInfo);\n}\n\nmain().catch(console.error);\n","structuredPatch":[],"originalFile":null}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01YRouTjmFdVunGx1aXxDsCV","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_016e3Un9XxGG3ppBecVALEPg","name":"Bash","input":{"command":"npx tsx research_rust2.ts 2>&1","timeout":60000},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1111,"cache_read_input_tokens":18757,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1111},"output_tokens":70,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"d0bfaefa-c491-42b1-8844-f3ada2505265"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_016e3Un9XxGG3ppBecVALEPg","type":"tool_result","content":"=== Wikipedia ===\nWiki info: Script ran on page and returned:\n```json\n\"First para: Rust is a general-purpose programming language. It is noted for its emphasis on performance, type safety, concurrency, and memory safety.\"\n```\n\n=== GitHub ===\nGH info: Script ran on page and returned:\n```json\n\"stargazers link: 112k\\n        stars | star element: DIV id= text={\\\"props\\\":{\\\"should_use_dotcom_links\\\":true}}\\n  Platf | star element: DIV id=start-of-content text= | star element: svg id= text= | star element: SPAN id=repo-stars-counter-star text=112k | star element: A id=user-content-quick-start text=\"\n```\n\n=== rust-lang.org ===\nRust.org info: Invalid or unexpected token","is_error":false}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"6c529dbd-daec-4c4a-8bf6-d753f6fff60f","timestamp":"2026-04-07T19:47:03.084Z","tool_use_result":{"stdout":"=== Wikipedia ===\nWiki info: Script ran on page and returned:\n```json\n\"First para: Rust is a general-purpose programming language. It is noted for its emphasis on performance, type safety, concurrency, and memory safety.\"\n```\n\n=== GitHub ===\nGH info: Script ran on page and returned:\n```json\n\"stargazers link: 112k\\n        stars | star element: DIV id= text={\\\"props\\\":{\\\"should_use_dotcom_links\\\":true}}\\n  Platf | star element: DIV id=start-of-content text= | star element: svg id= text= | star element: SPAN id=repo-stars-counter-star text=112k | star element: A id=user-content-quick-start text=\"\n```\n\n=== rust-lang.org ===\nRust.org info: Invalid or unexpected token","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_012WupcMuVYxDAjgwYJLpXQA","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Good, I got some useful information. Let me fix the rust-lang.org script and also get the designer from Wikipedia and the more exact star count from GitHub.\n\nFrom GitHub I can see: `SPAN id=repo-stars-counter-star text=112k` — so the star count is **112k**.\n\nFor Wikipedia, the first paragraph doesn't mention the designer. Let me look specifically at the infobox for the designer.\n\nLet me fix the rust-lang.org script - there's a JSON parsing issue.","signature":" "}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":297,"cache_read_input_tokens":19868,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":297},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"b70ab518-6b51-4b03-a8e5-f6a5e84add1c"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_012WupcMuVYxDAjgwYJLpXQA","type":"message","role":"assistant","content":[{"type":"text","text":"Good progress. Got GitHub stars (112k). Now let me get the Wikipedia designer and fix the rust-lang.org script."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":297,"cache_read_input_tokens":19868,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":297},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"b7441bd4-2543-4866-96aa-e886a41fcbca"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_012WupcMuVYxDAjgwYJLpXQA","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_0199UGCjFyfCV9aA8pcmMNLd","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_rust3.ts","content":"import { navigatePage, takeSnapshot, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  // 1. Wikipedia - Designer (re-check infobox)\n  console.log(\"=== Wikipedia ===\");\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const wikiInfo = await evaluateScript({\n    script: `() => {\n      // Dump infobox rows\n      const table = document.querySelector('table.infobox');\n      if (!table) return 'No infobox found';\n      const rows = table.querySelectorAll('tr');\n      const out = [];\n      for (const row of rows) {\n        const th = row.querySelector('th');\n        const td = row.querySelector('td');\n        if (th && td) {\n          out.push(th.textContent.trim() + ' => ' + td.textContent.trim().substring(0, 100));\n        }\n      }\n      return out.join('\\n');\n    }`\n  });\n  console.log(\"Wiki infobox:\", wikiInfo);\n\n  // 3. rust-lang.org - Tagline (fix JSON issue by avoiding special chars)\n  console.log(\"\\n=== rust-lang.org ===\");\n  await navigatePage({ url: \"https://www.rust-lang.org/\" });\n  const rustTagline = await evaluateScript({\n    script: `() => {\n      var results = [];\n      var headings = document.querySelectorAll(\"h1, h2\");\n      for (var i = 0; i < Math.min(headings.length, 5); i++) {\n        results.push(headings[i].tagName + \": \" + headings[i].textContent.trim().slice(0, 120));\n      }\n      var ps = document.querySelectorAll(\"p\");\n      for (var j = 0; j < Math.min(ps.length, 3); j++) {\n        results.push(\"p: \" + ps[j].textContent.trim().slice(0, 150));\n      }\n      return results.join(\" || \");\n    }`\n  });\n  console.log(\"Rust.org:\", rustTagline);\n}\n\nmain().catch(console.error);\n"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":297,"cache_read_input_tokens":19868,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":297},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"2a23c081-a6a9-4b9a-8fbb-cb0f3747d31d"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0199UGCjFyfCV9aA8pcmMNLd","type":"tool_result","content":"File created successfully at: /Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_rust3.ts"}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"30f322b7-bebf-487a-8b77-397dad41a2ef","timestamp":"2026-04-07T19:47:13.102Z","tool_use_result":{"type":"create","filePath":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_rust3.ts","content":"import { navigatePage, takeSnapshot, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  // 1. Wikipedia - Designer (re-check infobox)\n  console.log(\"=== Wikipedia ===\");\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const wikiInfo = await evaluateScript({\n    script: `() => {\n      // Dump infobox rows\n      const table = document.querySelector('table.infobox');\n      if (!table) return 'No infobox found';\n      const rows = table.querySelectorAll('tr');\n      const out = [];\n      for (const row of rows) {\n        const th = row.querySelector('th');\n        const td = row.querySelector('td');\n        if (th && td) {\n          out.push(th.textContent.trim() + ' => ' + td.textContent.trim().substring(0, 100));\n        }\n      }\n      return out.join('\\n');\n    }`\n  });\n  console.log(\"Wiki infobox:\", wikiInfo);\n\n  // 3. rust-lang.org - Tagline (fix JSON issue by avoiding special chars)\n  console.log(\"\\n=== rust-lang.org ===\");\n  await navigatePage({ url: \"https://www.rust-lang.org/\" });\n  const rustTagline = await evaluateScript({\n    script: `() => {\n      var results = [];\n      var headings = document.querySelectorAll(\"h1, h2\");\n      for (var i = 0; i < Math.min(headings.length, 5); i++) {\n        results.push(headings[i].tagName + \": \" + headings[i].textContent.trim().slice(0, 120));\n      }\n      var ps = document.querySelectorAll(\"p\");\n      for (var j = 0; j < Math.min(ps.length, 3); j++) {\n        results.push(\"p: \" + ps[j].textContent.trim().slice(0, 150));\n      }\n      return results.join(\" || \");\n    }`\n  });\n  console.log(\"Rust.org:\", rustTagline);\n}\n\nmain().catch(console.error);\n","structuredPatch":[],"originalFile":null}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01KWrd9qDyU9tNb6waXV8xXD","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_011FuBF5hSBjsqsyuw92cytD","name":"Bash","input":{"command":"npx tsx research_rust3.ts 2>&1","timeout":60000},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":900,"cache_read_input_tokens":20165,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":900},"output_tokens":72,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"7a1f47ab-d906-441e-bcdf-4fc229df4c48"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_011FuBF5hSBjsqsyuw92cytD","type":"tool_result","content":"=== Wikipedia ===\nWiki infobox: Invalid or unexpected token\n\n=== rust-lang.org ===\nRust.org: Script ran on page and returned:\n```json\n\"H1: Rust || H2: A language empowering everyone  to build reliable and efficient software. || H2: Why Rust? || H2: Build it in Rust || H2: Rust in production || p: Version 1.94.1 || p: Rust is blazingly fast and memory-efficient: with no runtime or\\ngarbage collector, it can power performance-critical services, run on\\nembedded devices || p: Rust’s rich type system and ownership model guarantee memory-safety\\nand thread-safety — enabling you to eliminate many classes of\\nbugs at compile-time\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"d06d12b5-9566-4c3c-b532-c73f69c8f929","timestamp":"2026-04-07T19:47:17.985Z","tool_use_result":{"stdout":"=== Wikipedia ===\nWiki infobox: Invalid or unexpected token\n\n=== rust-lang.org ===\nRust.org: Script ran on page and returned:\n```json\n\"H1: Rust || H2: A language empowering everyone  to build reliable and efficient software. || H2: Why Rust? || H2: Build it in Rust || H2: Rust in production || p: Version 1.94.1 || p: Rust is blazingly fast and memory-efficient: with no runtime or\\ngarbage collector, it can power performance-critical services, run on\\nembedded devices || p: Rust’s rich type system and ownership model guarantee memory-safety\\nand thread-safety — enabling you to eliminate many classes of\\nbugs at compile-time\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01CjdDpM5bn6tP7RHUWBpqAh","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"I got the rust-lang.org tagline. Now let me get the Wikipedia designer. The infobox script is failing - let me take a snapshot to see what's on the current page (which is rust-lang.org, not wikipedia). I need to navigate back to Wikipedia.","signature":" "}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":276,"cache_read_input_tokens":21065,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":276},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"d8a72732-5a35-49bb-ba1a-e1a5faf6803d"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01CjdDpM5bn6tP7RHUWBpqAh","type":"message","role":"assistant","content":[{"type":"text","text":"Got rust-lang.org tagline. The Wikipedia script failed because the page is now rust-lang.org. Let me re-navigate."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":276,"cache_read_input_tokens":21065,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":276},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"ad407287-5665-4e70-b4c7-0e0e95925544"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01CjdDpM5bn6tP7RHUWBpqAh","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017zhKDFZY2CkJQj3qj3NskZ","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki.ts","content":"import { navigatePage, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const result = await evaluateScript({\n    script: `() => {\n      var table = document.querySelector(\"table.infobox\");\n      if (!table) return \"No infobox\";\n      var rows = table.querySelectorAll(\"tr\");\n      var out = [];\n      for (var i = 0; i < rows.length; i++) {\n        var th = rows[i].querySelector(\"th\");\n        var td = rows[i].querySelector(\"td\");\n        if (th && td) {\n          out.push(th.textContent.trim() + \" => \" + td.textContent.trim().slice(0, 100));\n        }\n      }\n      return out.join(\" | \");\n    }`\n  });\n  console.log(result);\n}\n\nmain().catch(console.error);\n"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":276,"cache_read_input_tokens":21065,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":276},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"9dc457a3-572b-475f-8fc7-bdc426e38948"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017zhKDFZY2CkJQj3qj3NskZ","type":"tool_result","content":"File created successfully at: /Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki.ts"}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"827212f3-fcc0-4eb3-8907-0a4427ab00e8","timestamp":"2026-04-07T19:47:25.713Z","tool_use_result":{"type":"create","filePath":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki.ts","content":"import { navigatePage, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const result = await evaluateScript({\n    script: `() => {\n      var table = document.querySelector(\"table.infobox\");\n      if (!table) return \"No infobox\";\n      var rows = table.querySelectorAll(\"tr\");\n      var out = [];\n      for (var i = 0; i < rows.length; i++) {\n        var th = rows[i].querySelector(\"th\");\n        var td = rows[i].querySelector(\"td\");\n        if (th && td) {\n          out.push(th.textContent.trim() + \" => \" + td.textContent.trim().slice(0, 100));\n        }\n      }\n      return out.join(\" | \");\n    }`\n  });\n  console.log(result);\n}\n\nmain().catch(console.error);\n","structuredPatch":[],"originalFile":null}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01NQP3GMK6W6NaHyELpN7VEw","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01JMMzo17wqHY3vy3JN8cWzo","name":"Bash","input":{"command":"npx tsx research_wiki.ts 2>&1","timeout":60000},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":641,"cache_read_input_tokens":21341,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":641},"output_tokens":72,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"3f11eeab-baaf-4908-96b6-a090ddafb564"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01JMMzo17wqHY3vy3JN8cWzo","type":"tool_result","content":"Script ran on page and returned:\n```json\n\"Paradigms => .mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-outp | Developer => The Rust Team | First appeared => January 19, 2012; 14 years ago (2012-01-19) | Stable release => 1.94.1[1] \\n   / March 26, 2026; 12 days ago (March 26, 2026) | Typing discipline => Affineinferrednominalstaticstrong | Implementation language => OCaml (2006–2011)Rust (2012–present) | Platform => Cross-platform[note 1] | OS => Cross-platform[note 2] | License => MIT, Apache 2.0[note 3] | Filename extensions => .rs, .rlib | Website => rust-lang.org\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"aa6eaf95-48b6-44ab-8f28-4493a706af9b","timestamp":"2026-04-07T19:47:30.731Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n\"Paradigms => .mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-outp | Developer => The Rust Team | First appeared => January 19, 2012; 14 years ago (2012-01-19) | Stable release => 1.94.1[1] \\n   / March 26, 2026; 12 days ago (March 26, 2026) | Typing discipline => Affineinferrednominalstaticstrong | Implementation language => OCaml (2006–2011)Rust (2012–present) | Platform => Cross-platform[note 1] | OS => Cross-platform[note 2] | License => MIT, Apache 2.0[note 3] | Filename extensions => .rs, .rlib | Website => rust-lang.org\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01UdPukU3qmfQJBBh5PXkont","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Interesting - the Wikipedia infobox doesn't show a \"Designed by\" field explicitly, but shows \"Developer => The Rust Team\". The designer is Graydon Hoare (originally), but the infobox doesn't list it. Let me check the first paragraph again more carefully, or look for a \"designed by\" specifically.\n\nActually, looking at Wikipedia for Rust, the \"Designed by\" field is \"Graydon Hoare\". Let me check if the page loads different sections.","signature":" "}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":320,"cache_read_input_tokens":21982,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":320},"output_tokens":25,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"cf909cd3-43c3-485e-9734-dfb6ac9cf3f9"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01UdPukU3qmfQJBBh5PXkont","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01YKtQY9rPib9XaLKzyG44SK","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki2.ts","content":"import { navigatePage, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  // Get all th/td pairs including ones without explicit th\n  const result = await evaluateScript({\n    script: `() => {\n      // Check all text in infobox for designer\n      var table = document.querySelector(\"table.infobox\");\n      if (!table) return \"No infobox\";\n      return table.textContent.slice(0, 800);\n    }`\n  });\n  console.log(\"Infobox text:\", result);\n\n  // Also check body text for designer mention\n  const result2 = await evaluateScript({\n    script: `() => {\n      var body = document.querySelector(\".mw-parser-output\");\n      if (!body) return \"no body\";\n      // Find first mention of 'design'\n      var text = body.textContent;\n      var idx = text.toLowerCase().indexOf(\"graydon\");\n      if (idx >= 0) return text.slice(Math.max(0,idx-20), idx+100);\n      return \"Graydon not found in text\";\n    }`\n  });\n  console.log(\"Graydon mention:\", result2);\n}\n\nmain().catch(console.error);\n"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":320,"cache_read_input_tokens":21982,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":320},"output_tokens":25,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"12ad9ced-c47c-4bcb-9132-02ea3421d074"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01YKtQY9rPib9XaLKzyG44SK","type":"tool_result","content":"File created successfully at: /Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki2.ts"}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"1e9a9f51-ba4c-43e2-9c9a-ab81c41a7831","timestamp":"2026-04-07T19:47:40.341Z","tool_use_result":{"type":"create","filePath":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki2.ts","content":"import { navigatePage, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  // Get all th/td pairs including ones without explicit th\n  const result = await evaluateScript({\n    script: `() => {\n      // Check all text in infobox for designer\n      var table = document.querySelector(\"table.infobox\");\n      if (!table) return \"No infobox\";\n      return table.textContent.slice(0, 800);\n    }`\n  });\n  console.log(\"Infobox text:\", result);\n\n  // Also check body text for designer mention\n  const result2 = await evaluateScript({\n    script: `() => {\n      var body = document.querySelector(\".mw-parser-output\");\n      if (!body) return \"no body\";\n      // Find first mention of 'design'\n      var text = body.textContent;\n      var idx = text.toLowerCase().indexOf(\"graydon\");\n      if (idx >= 0) return text.slice(Math.max(0,idx-20), idx+100);\n      return \"Graydon not found in text\";\n    }`\n  });\n  console.log(\"Graydon mention:\", result2);\n}\n\nmain().catch(console.error);\n","structuredPatch":[],"originalFile":null}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01SUj9NuMzitWXe3mRHN2tnH","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01BTTA1vQvNYF3t865moCjY7","name":"Bash","input":{"command":"npx tsx research_wiki2.ts 2>&1","timeout":60000},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":641,"cache_read_input_tokens":22302,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":641},"output_tokens":72,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"f846caa4-5252-4a3e-a451-2de0b0f61cd2"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01BTTA1vQvNYF3t865moCjY7","type":"tool_result","content":"Infobox text: Script ran on page and returned:\n```json\n\"RustParadigms.mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-output ul.andlistoxford{margin:0;padding:0;display:inline-block;list-style:none}.mw-parser-output ul.cslist-embedded{display:inline}.mw-parser-output .cslist li,.mw-parser-output .sslist li,.mw-parser-output .andlist li,.mw-parser-output .andlistoxford li{margin:0;padding:0 0.25em 0 0;display:inline-block}.mw-parser-output .cslist li:after,.mw-parser-output .andlistoxford li:after{content:\\\", \\\"}.mw-parser-output .sslist li:after{content:\\\"; \\\"}.mw-parser-output .cslist li:last-child:after,.mw-parser-output .sslist li:last-child:after,.mw-parser-output .andlist li:last-child:after,.mw-parser-output .andlistoxford li:last-child:after{content:none}.mw-parser-output .andlist li:nth-last-ch\"\n```\nGraydon mention: Script ran on page and returned:\n```json\n\"Graydon not found in text\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"a95713fc-2e78-4582-aac3-d482ce05a886","timestamp":"2026-04-07T19:47:45.586Z","tool_use_result":{"stdout":"Infobox text: Script ran on page and returned:\n```json\n\"RustParadigms.mw-parser-output ul.cslist,.mw-parser-output ul.sslist,.mw-parser-output ul.andlist,.mw-parser-output ul.andlistoxford{margin:0;padding:0;display:inline-block;list-style:none}.mw-parser-output ul.cslist-embedded{display:inline}.mw-parser-output .cslist li,.mw-parser-output .sslist li,.mw-parser-output .andlist li,.mw-parser-output .andlistoxford li{margin:0;padding:0 0.25em 0 0;display:inline-block}.mw-parser-output .cslist li:after,.mw-parser-output .andlistoxford li:after{content:\\\", \\\"}.mw-parser-output .sslist li:after{content:\\\"; \\\"}.mw-parser-output .cslist li:last-child:after,.mw-parser-output .sslist li:last-child:after,.mw-parser-output .andlist li:last-child:after,.mw-parser-output .andlistoxford li:last-child:after{content:none}.mw-parser-output .andlist li:nth-last-ch\"\n```\nGraydon mention: Script ran on page and returned:\n```json\n\"Graydon not found in text\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01WqdES5zGbnyErdBndfa5hD","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The page text doesn't mention Graydon directly. The Wikipedia page seems to have changed to not show the designer explicitly. However, the infobox shows \"Developer: The Rust Team\". Let me look at the page snapshot to see what's actually shown, or check a paragraph about Rust's history.\n\nActually, looking at recent Wikipedia edits - the \"Designed by\" field might have been removed or changed. The infobox shows \"Developer => The Rust Team\". Let me take a snapshot to see what the page actually shows.","signature":" "}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":445,"cache_read_input_tokens":22943,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":445},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"df70ae46-0875-4510-922a-16e6f215716b"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01WqdES5zGbnyErdBndfa5hD","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01VAtuxGvR5yN7q2kyQXjWk5","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki3.ts","content":"import { navigatePage, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  // Get first few paragraphs for designer info\n  const result = await evaluateScript({\n    script: `() => {\n      var paras = document.querySelectorAll(\".mw-parser-output > p\");\n      var out = [];\n      for (var i = 0; i < Math.min(paras.length, 5); i++) {\n        var t = paras[i].textContent.trim();\n        if (t.length > 20) out.push(\"p\" + i + \": \" + t.slice(0, 300));\n      }\n      return out.join(\" ||| \");\n    }`\n  });\n  console.log(result);\n\n  // Also check history section\n  const result2 = await evaluateScript({\n    script: `() => {\n      var text = document.body.textContent;\n      var idx = text.indexOf(\"History\");\n      if (idx >= 0) return text.slice(idx, idx+500);\n      return \"No history section\";\n    }`\n  });\n  console.log(\"History:\", result2);\n}\n\nmain().catch(console.error);\n"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":445,"cache_read_input_tokens":22943,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":445},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"9c18d4de-b8e3-4770-84a9-ec7da1e743cb"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01VAtuxGvR5yN7q2kyQXjWk5","type":"tool_result","content":"File created successfully at: /Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki3.ts"}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"2877c6b6-224d-4041-be48-b5243e330559","timestamp":"2026-04-07T19:47:53.953Z","tool_use_result":{"type":"create","filePath":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run1/workspace/research_wiki3.ts","content":"import { navigatePage, evaluateScript } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  // Get first few paragraphs for designer info\n  const result = await evaluateScript({\n    script: `() => {\n      var paras = document.querySelectorAll(\".mw-parser-output > p\");\n      var out = [];\n      for (var i = 0; i < Math.min(paras.length, 5); i++) {\n        var t = paras[i].textContent.trim();\n        if (t.length > 20) out.push(\"p\" + i + \": \" + t.slice(0, 300));\n      }\n      return out.join(\" ||| \");\n    }`\n  });\n  console.log(result);\n\n  // Also check history section\n  const result2 = await evaluateScript({\n    script: `() => {\n      var text = document.body.textContent;\n      var idx = text.indexOf(\"History\");\n      if (idx >= 0) return text.slice(idx, idx+500);\n      return \"No history section\";\n    }`\n  });\n  console.log(\"History:\", result2);\n}\n\nmain().catch(console.error);\n","structuredPatch":[],"originalFile":null}}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01HMbmRReQmF3odcaH4cXmx1","type":"tool_result","content":"Script ran on page and returned:\n```json\n\"p1: Rust is a general-purpose programming language. It is noted for its emphasis on performance, type safety, concurrency, and memory safety. ||| p2: Rust supports multiple programming paradigms. It was influenced by ideas from functional programming, including immutability, higher-order functions, algebraic data types, and pattern matching. It also supports object-oriented programming via structs, enums, traits, and methods. Rust is noted for en ||| p3: Software developer Graydon Hoare created Rust in 2006 while working at Mozilla, which officially sponsored the project in 2009. The first stable release, Rust 1.0, was published in May 2015. Following a layoff of Mozilla employees in August 2020, four other companies joined Mozilla in sponsoring Rus ||| p4: Rust has been adopted by many software projects, especially web services and system software. It has been studied academically and has a growing community of developers.\"\n```\nHistory: Script ran on page and returned:\n```json\n\"History\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\tToggle History subsection\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.1\\n\\t\\t\\t\\t\\t2006–2009: Early years\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.2\\n\\t\\t\\t\\t\\t2009–2012: Mozilla sponsorship\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.3\\n\\t\\t\\t\\t\\t2012–2015: Evolution\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.4\\n\\t\\t\\t\\t\\t2015–2020: Servo and early adoption\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.5\\n\\t\\t\\t\\t\\t2020–present: Mozilla layoffs and Rust Foundation\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\n\\t\\n\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t2\\n\\t\\t\"\n```","is_error":false}]},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"77f1e3fd-13b4-47b4-9402-04a65fa1d3e9","timestamp":"2026-04-07T19:47:57.959Z","tool_use_result":{"stdout":"Script ran on page and returned:\n```json\n\"p1: Rust is a general-purpose programming language. It is noted for its emphasis on performance, type safety, concurrency, and memory safety. ||| p2: Rust supports multiple programming paradigms. It was influenced by ideas from functional programming, including immutability, higher-order functions, algebraic data types, and pattern matching. It also supports object-oriented programming via structs, enums, traits, and methods. Rust is noted for en ||| p3: Software developer Graydon Hoare created Rust in 2006 while working at Mozilla, which officially sponsored the project in 2009. The first stable release, Rust 1.0, was published in May 2015. Following a layoff of Mozilla employees in August 2020, four other companies joined Mozilla in sponsoring Rus ||| p4: Rust has been adopted by many software projects, especially web services and system software. It has been studied academically and has a growing community of developers.\"\n```\nHistory: Script ran on page and returned:\n```json\n\"History\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\tToggle History subsection\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.1\\n\\t\\t\\t\\t\\t2006–2009: Early years\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.2\\n\\t\\t\\t\\t\\t2009–2012: Mozilla sponsorship\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.3\\n\\t\\t\\t\\t\\t2012–2015: Evolution\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.4\\n\\t\\t\\t\\t\\t2015–2020: Servo and early adoption\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t\\n\\t\\t\\t\\t\\t1.5\\n\\t\\t\\t\\t\\t2020–present: Mozilla layoffs and Rust Foundation\\n\\t\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\n\\t\\t\\n\\t\\n\\t\\n\\t\\n\\t\\t\\n\\t\\t\\t\\n\\t\\t\\t\\t2\\n\\t\\t\"\n```","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01LJuHeaY8vt5LgTHhErzqG5","type":"message","role":"assistant","content":[{"type":"text","text":"I have all the information needed. Here are the results:\n\n---\n\n## Rust Programming Language Research\n\n### 1. Wikipedia — Designer\n**Graydon Hoare** created Rust in 2006 while working at Mozilla, which officially sponsored the project in 2009.\n> *\"Software developer Graydon Hoare created Rust in 2006 while working at Mozilla...\"*\n\n---\n\n### 2. GitHub (`rust-lang/rust`) — Star Count\n**~112k stars** (as shown by `#repo-stars-counter-star`)\n\n---\n\n### 3. rust-lang.org — Tagline / Main Description\n> **\"A language empowering everyone to build reliable and efficient software.\"**\n\n(The homepage also elaborates: *\"Rust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services...\"*)"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1001,"cache_read_input_tokens":24027,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1001},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"82113489-88fb-4b64-a438-9963894edbc5","uuid":"632ce9d8-83d4-408e-95a3-6adb5e220871"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":100245,"duration_api_ms":90199,"num_turns":14,"result":"I have all the information needed. Here are the results:\n\n---\n\n## Rust Programming Language Research\n\n### 1. Wikipedia — Designer\n**Graydon Hoare** created Rust in 2006 while working at Mozilla, which officially sponsored the project in 2009.\n> *\"Software developer Graydon Hoare created Rust in 2006 while working at Mozilla...\"*\n\n---\n\n### 2. GitHub (`rust-lang/rust`) — Star Count\n**~112k stars** (as shown by `#repo-stars-counter-star`)\n\n---\n\n### 3. rust-lang.org — Tagline / Main Description\n> **\"A language empowering everyone to build reliable and efficient software.\"**\n\n(The homepage also elaborates: *\"Rust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services...\"*)","stop_reason":"end_turn","session_id":"82113489-88fb-4b64-a438-9963894edbc5","total_cost_usd":0.22236584999999998,"usage":{"input_tokens":15,"cache_creation_input_tokens":16583,"cache_read_input_tokens":276582,"output_tokens":5144,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":16583,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":15,"outputTokens":5144,"cacheReadInputTokens":276582,"cacheCreationInputTokens":16583,"webSearchRequests":0,"costUSD":0.22236584999999998,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"f7a697f4-2f67-47d3-bf58-2fb9a9dc54c2"}
