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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01L4hkAPYWrPaQQeaFfcr6gd","type":"tool_result","content":"// auto-generated by codegen.ts — do not edit\nimport { callTool } from \"../../browser-code/client.js\";\n\nexport interface NavigatePageInput {\n  /** Navigate the page by URL, back or forward in history, or reload. */\n  type?: string;\n  /** Target URL (only type=url) */\n  url?: string;\n  /** Whether to ignore cache on reload. */\n  ignoreCache?: boolean;\n  /** Whether to auto accept or beforeunload dialogs triggered by this navigation. Default is accept. */\n  handleBeforeUnload?: string;\n  /** A JavaScript script to be executed on each new document before any other scripts for the next navigation. */\n  initScript?: string;\n  /** Maximum wait time in milliseconds. If set to 0, the default timeout will be used. */\n  timeout?: number;\n}\n\n/** Go to a URL, or back, forward, or reload. Use project URL if not specified otherwise. */\nexport async function navigatePage(input: NavigatePageInput = {}): Promise<string> {\n  return callTool(\"navigate_page\", input);\n}","is_error":false}]},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"82524ec9-be80-42e4-bff6-a5338883edb5","timestamp":"2026-04-07T19:50:04.209Z"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015UeDRKRdeDqrHUTWhUQSaC","type":"tool_result","content":"/**\n * Browser automation library for code-mode benchmarks.\n *\n * Thin wrapper that calls chrome-devtools-mcp tools via a local HTTP bridge.\n * The bridge (bridge.ts) maintains a persistent MCP session so browser state\n * persists across scripts.\n *\n * The agent must know tool names and build arguments — this library does NOT\n * provide high-level wrappers. This keeps the interface close to raw MCP,\n * isolating the \"code execution\" variable.\n *\n * Usage:\n *   import { callTool, listTools } from \"./browser-code\";\n *   const tools = await listTools();\n *   const result = await callTool(\"navigate_page\", { url: \"https://example.com\" });\n *   console.log(result);\n */\n\nconst BRIDGE_URL = process.env.BROWSER_CODE_BRIDGE_URL ?? \"http://127.0.0.1:9223\";\n\n/** List all available tools from the chrome-devtools-mcp server. */\nexport async function listTools(): Promise<Array<{ name: string; description?: string }>> {\n  const res = await fetch(`${BRIDGE_URL}/tools`);\n  if (!res.ok) throw new Error(`listTools failed: ${await res.text()}`);\n  return res.json();\n}\n\n/**\n * Call an MCP tool by name with the given arguments.\n * Returns the text content of the tool result.\n *\n * Example:\n *   await callTool(\"navigate_page\", { url: \"https://example.com\" })\n *   await callTool(\"take_snapshot\")\n *   await callTool(\"click\", { element: \"@e1\" })\n */\nexport async function callTool(name: string, args: Record<string, unknown> = {}): Promise<string> {\n  const res = await fetch(`${BRIDGE_URL}/call`, {\n    method: \"POST\",\n    headers: { \"Content-Type\": \"application/json\" },\n    body: JSON.stringify({ name, args }),\n  });\n  const data = await res.json() as { result?: string; error?: string };\n  if (data.error) throw new Error(data.error);\n  return data.result ?? \"\";\n}","is_error":false}]},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"7a431ed0-4b9e-47d1-bcea-b315d3929040","timestamp":"2026-04-07T19:50:08.403Z"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01EjnPcjUkX2ijRFPDpi841E","type":"tool_result","content":"# Tools\n\nYou have strongly-typed TypeScript wrappers for browser automation at\n`./servers/chrome-devtools/`. Each MCP tool is a separate `.ts` module\nwith typed input interfaces. Browse the directory to discover tools.\n\nWrite a `.ts` script and run it with `npx tsx`. Example:\n\n    import { navigatePage, takeSnapshot } from \"./servers/chrome-devtools/index.js\";\n\n    const page = await navigatePage({ url: \"https://example.com\" });\n    const snap = await takeSnapshot({});\n    console.log(snap);\n\n`takeSnapshot` accepts an optional input object, so prefer `takeSnapshot({})`\nwhen you do not need any options.\n\n`evaluateScript` expects a `function` string, and also accepts a `script`\nalias for convenience.\n\nIMPORTANT: Do NOT use `curl`, `wget`, or WebFetch.\nYou must use the `./servers/chrome-devtools/` wrappers exclusively.\nWrite scripts in the current working directory (not /tmp) so relative\nimports resolve correctly. Browser state persists across scripts.","is_error":false}]},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"c4fe117d-6d35-49e8-a012-fe081c4a71f1","timestamp":"2026-04-07T19:50:10.707Z"}
{"type":"system","subtype":"task_progress","task_id":"a79a9c853accfe25d","tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","description":"Writing research_rust.ts","usage":{"total_tokens":11563,"tool_uses":8,"duration_ms":18840},"last_tool_name":"Write","uuid":"6ee70e30-5d99-46de-8b9a-2c1687e33a5c","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_018PVvVzX4kXRywgH577u6kW","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_015owaaCWDq2poe9MYtFZ8Jj","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run3/workspace/research_rust.ts","content":"import { navigatePage, takeSnapshot } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  // 1. Wikipedia: who designed Rust\n  console.log(\"=== Visiting Wikipedia: Rust (programming language) ===\");\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const wikiSnap = await takeSnapshot({});\n  console.log(\"Wikipedia snapshot (truncated to 6000 chars):\");\n  console.log(wikiSnap.slice(0, 6000));\n\n  // 2. GitHub: star count\n  console.log(\"\\n=== Visiting GitHub: rust-lang/rust ===\");\n  await navigatePage({ url: \"https://github.com/rust-lang/rust\" });\n  const githubSnap = await takeSnapshot({});\n  console.log(\"GitHub snapshot (truncated to 6000 chars):\");\n  console.log(githubSnap.slice(0, 6000));\n\n  // 3. rust-lang.org: tagline/main description\n  console.log(\"\\n=== Visiting rust-lang.org ===\");\n  await navigatePage({ url: \"https://www.rust-lang.org/\" });\n  const rustlangSnap = await takeSnapshot({});\n  console.log(\"rust-lang.org snapshot (truncated to 4000 chars):\");\n  console.log(rustlangSnap.slice(0, 4000));\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":1119,"cache_read_input_tokens":9967,"cache_creation":{"ephemeral_5m_input_tokens":1119,"ephemeral_1h_input_tokens":0},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"2cb44e6b-ec0b-4e7c-b8ec-215df25b4846"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015owaaCWDq2poe9MYtFZ8Jj","type":"tool_result","content":"File created successfully at: /Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run3/workspace/research_rust.ts"}]},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"cbbda671-3aab-4957-91b2-eb46c5107c51","timestamp":"2026-04-07T19:50:17.133Z"}
{"type":"system","subtype":"task_progress","task_id":"a79a9c853accfe25d","tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","description":"Running Run the Rust research script","usage":{"total_tokens":12206,"tool_uses":9,"duration_ms":21432},"last_tool_name":"Bash","uuid":"fe63df4f-1e10-4708-8efe-67e49dd1ca1c","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01RzAUH7MEfVNnJ1ZWE2HcKL","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01GmY1MmoJnGZffDbBgKyM7S","name":"Bash","input":{"command":"npx tsx research_rust.ts 2>&1","description":"Run the Rust research script","timeout":120000},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":571,"cache_read_input_tokens":11086,"cache_creation":{"ephemeral_5m_input_tokens":571,"ephemeral_1h_input_tokens":0},"output_tokens":72,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"d24c449d-c02c-4410-b1aa-94e6c74416cb"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01GmY1MmoJnGZffDbBgKyM7S","type":"tool_result","content":"=== Visiting Wikipedia: Rust (programming language) ===\nWikipedia snapshot (truncated to 6000 chars):\n## Latest page snapshot\nuid=78_0 RootWebArea \"Rust (programming language) - Wikipedia\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)\"\n  uid=78_1 generic live=\"polite\" relevant=\"additions text\"\n  uid=78_2 link \"Jump to content\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#bodyContent\"\n    uid=78_3 StaticText \"Jump to content\"\n  uid=78_4 banner\n    uid=78_5 navigation \"Site\"\n      uid=78_6 button \"Main menu\" haspopup=\"menu\"\n    uid=78_7 link \"Wikipedia The Free Encyclopedia\" url=\"https://en.wikipedia.org/wiki/Main_Page\"\n      uid=78_8 image \"Wikipedia\" url=\"https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en-25.svg\"\n      uid=78_9 image \"The Free Encyclopedia\" url=\"https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en-25.svg\"\n    uid=78_10 search\n      uid=78_11 searchbox \"Search Wikipedia\" description=\"Search Wikipedia [ctrl-option-f]\" keyshortcuts=\"Ctrl+Alt+f\"\n      uid=78_12 button \"Search\"\n    uid=78_13 navigation \"Personal tools\"\n      uid=78_14 link \"Donate\" url=\"https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=en.wikipedia.org&uselang=en\"\n        uid=78_15 StaticText \"Donate\"\n      uid=78_16 link \"Create account\" description=\"You are encouraged to create an account and log in; however, it is not mandatory\" url=\"https://en.wikipedia.org/w/index.php?title=Special:CreateAccount&returnto=Rust+%28programming+language%29\"\n        uid=78_17 StaticText \"Create account\"\n      uid=78_18 link \"Log in\" description=\"You're encouraged to log in; however, it's not mandatory. [ctrl-option-o]\" keyshortcuts=\"Ctrl+Alt+o\" url=\"https://en.wikipedia.org/w/index.php?title=Special:UserLogin&returnto=Rust+%28programming+language%29\"\n        uid=78_19 StaticText \"Log in\"\n  uid=78_20 navigation \"Contents\"\n    uid=78_21 heading \"Contents\" level=\"2\"\n    uid=78_22 button \"hide\"\n    uid=78_23 link \"(Top)\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#\"\n      uid=78_24 StaticText \"(Top)\"\n    uid=78_25 link \"History\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#History\"\n      uid=78_26 StaticText \"History\"\n    uid=78_27 button \"Toggle History subsection\" expandable\n    uid=78_28 link \"Syntax and features\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Syntax_and_features\"\n      uid=78_29 StaticText \"Syntax and features\"\n    uid=78_30 button \"Toggle Syntax and features subsection\" expandable\n    uid=78_31 link \"Safety\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Safety\"\n      uid=78_32 StaticText \"Safety\"\n    uid=78_33 link \"Ecosystem\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Ecosystem\"\n      uid=78_34 StaticText \"Ecosystem\"\n    uid=78_35 button \"Toggle Ecosystem subsection\" expandable\n    uid=78_36 link \"Performance\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Performance\"\n      uid=78_37 StaticText \"Performance\"\n    uid=78_38 link \"Adoption\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Adoption\"\n      uid=78_39 StaticText \"Adoption\"\n    uid=78_40 link \"In academic research\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#In_academic_research\"\n      uid=78_41 StaticText \"In academic research\"\n    uid=78_42 link \"Community\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Community\"\n      uid=78_43 StaticText \"Community\"\n    uid=78_44 button \"Toggle Community subsection\" expandable\n    uid=78_45 link \"See also\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#See_also\"\n      uid=78_46 StaticText \"See also\"\n    uid=78_47 link \"Notes\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Notes\"\n      uid=78_48 StaticText \"Notes\"\n    uid=78_49 link \"References\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#References\"\n      uid=78_50 StaticText \"References\"\n    uid=78_51 button \"Toggle References subsection\" expandable\n    uid=78_52 link \"External links\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#External_links\"\n      uid=78_53 StaticText \"External links\"\n  uid=78_54 main\n    uid=78_55 heading \"Rust (programming language)\" level=\"1\"\n    uid=78_56 button \"Go to an article in another language. Available in 53 languages\" haspopup=\"menu\"\n    uid=78_57 navigation \"Namespaces\"\n      uid=78_58 link \"Article\" description=\"View the content page [ctrl-option-c]\" keyshortcuts=\"Ctrl+Alt+c\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)\"\n        uid=78_59 StaticText \"Article\"\n      uid=78_60 link \"Talk\" description=\"Discuss improvements to the content page [ctrl-option-t]\" keyshortcuts=\"Ctrl+Alt+t\" url=\"https://en.wikipedia.org/wiki/Talk:Rust_(programming_language)\"\n        uid=78_61 StaticText \"Talk\"\n    uid=78_62 navigation \"Views\"\n      uid=78_63 link \"Read\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)\"\n        uid=78_64 StaticText \"Read\"\n      uid=78_65 link \"Edit\" description=\"Edit this page [ctrl-option-e]\" keyshortcuts=\"Ctrl+Alt+e\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=edit\"\n        uid=78_66 StaticText \"Edit\"\n      uid=78_67 link \"View history\" description=\"Past revisions of this page [ctrl-option-h]\" keyshortcuts=\"Ctrl+Alt+h\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=history\"\n        uid=78_68 StaticText \"View history\"\n    uid=78_69 navigation \"Page tools\"\n      uid=78_70 button \"Tools\" haspopup=\"menu\"\n    uid=78_71 navigation \"Appearance\"\n      uid=78_72 StaticText \"Appearance\"\n      uid=78_73 button \"hide\"\n      uid=78_74 StaticText \"Birthday mode (Baby Globe)\"\n      uid=78_75 radio \"Disabled\"\n      uid=78_76 StaticText \"Disabled\"\n      uid=78_77 radio \"Enabled\" checked\n      uid=78_78 StaticText \"Enabled\"\n      uid=78_79 link \"Learn more about Birthday mode\" url=\"https://wikimediafoundation.org/wikipedia25/wikipedia-mascot/?utm_campaign=wpam&utm_source=wpam&utm_medium=wpamen\"\n\n=== Visiting GitHub: rust-lang/rust ===\nGitHub snapshot (truncated to 6000 chars):\n## Latest page snapshot\nuid=79_0 RootWebArea \"GitHub - rust-lang/rust: Empowering everyone to build reliable and efficient software. · GitHub\" url=\"https://github.com/rust-lang/rust\"\n  uid=79_1 link \"Skip to content\" url=\"https://github.com/rust-lang/rust#start-of-content\"\n    uid=79_2 StaticText \"Skip to content\"\n  uid=79_3 banner\n    uid=79_4 heading \"Navigation Menu\" level=\"2\"\n    uid=79_5 link \"Homepage\" url=\"https://github.com/\"\n    uid=79_6 navigation \"Global\"\n      uid=79_7 button \"Platform\" expandable\n      uid=79_8 button \"Solutions\" expandable\n      uid=79_9 button \"Resources\" expandable\n      uid=79_10 button \"Open Source\" expandable\n      uid=79_11 button \"Enterprise\" expandable\n      uid=79_12 link \"Pricing\" url=\"https://github.com/pricing\"\n        uid=79_13 StaticText \"Pricing\"\n    uid=79_14 button \"Search or jump to…\" haspopup=\"dialog\"\n    uid=79_15 link \"Sign in\" url=\"https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Frust-lang%2Frust\"\n      uid=79_16 StaticText \"Sign in\"\n    uid=79_17 link \"Sign up\" url=\"https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E&source=header-repo&source_repo=rust-lang%2Frust\"\n      uid=79_18 StaticText \"Sign up\"\n    uid=79_19 button \"Appearance settings\" expandable haspopup=\"menu\"\n  uid=79_20 main\n    uid=79_21 link \"rust-lang\" keyshortcuts=\"Alt+ArrowUp\" url=\"https://github.com/rust-lang\"\n      uid=79_22 StaticText \"rust-lang\"\n    uid=79_23 StaticText \"/\"\n    uid=79_24 link \"rust\" url=\"https://github.com/rust-lang/rust\"\n      uid=79_25 StaticText \"rust\"\n    uid=79_26 StaticText \"Public\"\n    uid=79_27 button \"Sponsor rust-lang/rust\"\n    uid=79_28 link \"You must be signed in to change notification settings\" description=\"You must be signed in to change notification settings\" url=\"https://github.com/login?return_to=%2Frust-lang%2Frust\"\n      uid=79_29 StaticText \"Notifications\"\n    uid=79_30 link \"Fork 14.8k\" url=\"https://github.com/login?return_to=%2Frust-lang%2Frust\"\n      uid=79_31 StaticText \"Fork \"\n      uid=79_32 StaticText \"14.8k\"\n    uid=79_33 link \"You must be signed in to star a repository\" url=\"https://github.com/login?return_to=%2Frust-lang%2Frust\"\n      uid=79_34 StaticText \" Star \"\n      uid=79_35 StaticText \"112k\"\n    uid=79_36 navigation \"Repository\"\n      uid=79_37 link \"Code\" url=\"https://github.com/rust-lang/rust\"\n        uid=79_38 StaticText \"Code\"\n      uid=79_39 link \"Issues 5k+\" url=\"https://github.com/rust-lang/rust/issues\"\n        uid=79_40 StaticText \"Issues\"\n        uid=79_41 StaticText \"5k+\"\n      uid=79_42 link \"Pull requests 1.1k\" url=\"https://github.com/rust-lang/rust/pulls\"\n        uid=79_43 StaticText \"Pull requests\"\n        uid=79_44 StaticText \"1.1k\"\n      uid=79_45 link \"Actions\" url=\"https://github.com/rust-lang/rust/actions\"\n        uid=79_46 StaticText \"Actions\"\n      uid=79_47 link \"Projects\" url=\"https://github.com/rust-lang/rust/projects\"\n        uid=79_48 StaticText \"Projects\"\n      uid=79_49 link \"Security and quality 6\" url=\"https://github.com/rust-lang/rust/security\"\n        uid=79_50 StaticText \"Security and quality\"\n        uid=79_51 StaticText \"6\"\n      uid=79_52 link \"Insights\" url=\"https://github.com/rust-lang/rust/pulse\"\n        uid=79_53 StaticText \"Insights\"\n    uid=79_54 generic\n      uid=79_55 heading \"rust-lang/rust\" level=\"1\"\n      uid=79_56 button \"main branch\" expandable haspopup=\"menu\"\n      uid=79_57 link \"10 Branches\" url=\"https://github.com/rust-lang/rust/branches\"\n        uid=79_58 StaticText \"10\"\n        uid=79_59 StaticText \" \"\n        uid=79_60 StaticText \"Branches\"\n      uid=79_61 link \"156 Tags\" url=\"https://github.com/rust-lang/rust/tags\"\n        uid=79_62 StaticText \"156\"\n        uid=79_63 StaticText \" \"\n        uid=79_64 StaticText \"Tags\"\n      uid=79_65 combobox \"Go to file\" expandable haspopup=\"dialog\"\n      uid=79_66 button \"Code\" expandable haspopup=\"menu\"\n      uid=79_67 heading \"Folders and files\" level=\"2\"\n      uid=79_68 StaticText \"Name\"\n      uid=79_69 StaticText \"Last commit message\"\n      uid=79_70 StaticText \"Last commit date\"\n      uid=79_71 heading \"Latest commit\" level=\"2\"\n      uid=79_72 link \"bors\" keyshortcuts=\"Alt+ArrowUp\" url=\"https://github.com/bors\"\n        uid=79_73 image \"bors\" url=\"https://avatars.githubusercontent.com/u/3372342?v=4&size=40\"\n      uid=79_74 link \"commits by bors\" keyshortcuts=\"Alt+ArrowUp\" url=\"https://github.com/rust-lang/rust/commits?author=bors\"\n        uid=79_75 StaticText \"bors\"\n      uid=79_76 link \"Auto merge of\" keyshortcuts=\"Alt+ArrowUp\" url=\"https://github.com/rust-lang/rust/commit/ad4b9354009cb6bd5a9ff1b5f5a63a13ec98ebc9\"\n        uid=79_77 StaticText \"Auto merge of\"\n      uid=79_78 StaticText \" \"\n      uid=79_79 link \"#154734\" keyshortcuts=\"Alt+ArrowUp\" url=\"https://github.com/rust-lang/rust/pull/154734\"\n        uid=79_80 StaticText \"#154734\"\n      uid=79_81 StaticText \" \"\n      uid=79_82 link \"- weihanglo:update-cargo, r=weihanglo\" keyshortcuts=\"Alt+ArrowUp\" url=\"https://github.com/rust-lang/rust/commit/ad4b9354009cb6bd5a9ff1b5f5a63a13ec98ebc9\"\n        uid=79_83 StaticText \"- weihanglo:update-cargo, r=weihanglo\"\n      uid=79_84 button \"Open commit details\" expandable\n      uid=79_85 button \"success\"\n      uid=79_86 link \"Commit ad4b935\" keyshortcuts=\"Alt+ArrowUp\" url=\"https://github.com/rust-lang/rust/commit/ad4b9354009cb6bd5a9ff1b5f5a63a13ec98ebc9\"\n        uid=79_87 StaticText \"ad4b935\"\n      uid=79_88 StaticText \" · \"\n      uid=79_89 StaticText \"3 hours ago\"\n      uid=79_90 heading \"History\" level=\"2\"\n      uid=79_91 link \"322,861 Commits\" url=\"https://github.com/rust-lang/rust/commits/main/\"\n        uid=79_92 StaticText \"322,861 Commits\"\n      uid=79_93 link \".github, (Directory)\" url=\"https://github.com/rust-lang/rust/tree/main/.github\"\n        uid=79_94 StaticText \".github\"\n      uid=79_95 link \"ci: update upload-artifact action to v7\" url=\"https://github.com/rust-lang/rust/commit/8798ba69439d71c4a84635d5dc891e748dec9e4f\"\n        uid=79_96 Stati\n\n=== Visiting rust-lang.org ===\nrust-lang.org snapshot (truncated to 4000 chars):\n## Latest page snapshot\nuid=80_0 RootWebArea \"Rust Programming Language\" url=\"https://rust-lang.org/\"\n  uid=80_1 navigation\n    uid=80_2 link \"Rust Logo\" url=\"https://rust-lang.org/\"\n      uid=80_3 image \"Rust Logo\" url=\"https://rust-lang.org/static/images/rust-logo-blk.svg\"\n    uid=80_4 link \"Install\" url=\"https://rust-lang.org/tools/install\"\n      uid=80_5 StaticText \"Install\"\n    uid=80_6 link \"Learn\" url=\"https://rust-lang.org/learn\"\n      uid=80_7 StaticText \"Learn\"\n    uid=80_8 link \"Playground\" url=\"https://play.rust-lang.org/\"\n      uid=80_9 StaticText \"Playground\"\n    uid=80_10 link \"Tools\" url=\"https://rust-lang.org/tools\"\n      uid=80_11 StaticText \"Tools\"\n    uid=80_12 link \"Governance\" url=\"https://rust-lang.org/governance\"\n      uid=80_13 StaticText \"Governance\"\n    uid=80_14 link \"Community\" url=\"https://rust-lang.org/community\"\n      uid=80_15 StaticText \"Community\"\n    uid=80_16 link \"Blog\" url=\"https://blog.rust-lang.org/\"\n      uid=80_17 StaticText \"Blog\"\n    uid=80_18 StaticText \"Language\"\n    uid=80_19 combobox \"Language\" expandable haspopup=\"menu\" value=\"English (en-US)\"\n      uid=80_20 option \"English (en-US)\" selectable selected value=\"English (en-US)\"\n      uid=80_21 option \"Español (es)\" selectable value=\"Español (es)\"\n      uid=80_22 option \"Français (fr)\" selectable value=\"Français (fr)\"\n      uid=80_23 option \"Italiano (it)\" selectable value=\"Italiano (it)\"\n      uid=80_24 option \"日本語 (ja)\" selectable value=\"日本語 (ja)\"\n      uid=80_25 option \"Português (pt-BR)\" selectable value=\"Português (pt-BR)\"\n      uid=80_26 option \"Русский (ru)\" selectable value=\"Русский (ru)\"\n      uid=80_27 option \"Türkçe (tr)\" selectable value=\"Türkçe (tr)\"\n      uid=80_28 option \"简体中文 (zh-CN)\" selectable value=\"简体中文 (zh-CN)\"\n      uid=80_29 option \"正體中文 (zh-TW)\" selectable value=\"正體中文 (zh-TW)\"\n  uid=80_30 main\n    uid=80_31 heading \"Rust\" level=\"1\"\n    uid=80_32 heading \"A language empowering everyone to build reliable and efficient software.\" level=\"2\"\n    uid=80_33 link \"GET STARTED\" url=\"https://rust-lang.org/learn/get-started\"\n      uid=80_34 StaticText \"GET STARTED\"\n    uid=80_35 link \"Version 1.94.1\" url=\"https://blog.rust-lang.org/releases/latest\"\n      uid=80_36 StaticText \"Version 1.94.1\"\n    uid=80_37 heading \"Why Rust?\" level=\"2\"\n    uid=80_38 heading \"Performance\" level=\"3\"\n    uid=80_39 StaticText \"Rust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services, run on embedded devices, and easily integrate with other languages.\"\n    uid=80_40 heading \"Reliability\" level=\"3\"\n    uid=80_41 StaticText \"Rust’s rich type system and ownership model guarantee memory-safety and thread-safety — enabling you to eliminate many classes of bugs at compile-time.\"\n    uid=80_42 heading \"Productivity\" level=\"3\"\n    uid=80_43 StaticText \"Rust has great documentation, a friendly compiler with useful error messages, and top-notch tooling — an integrated package manager and build tool, smart multi-editor support with auto-completion and type inspections, an auto-formatter, and more.\"\n    uid=80_44 heading \"Build it in Rust\" level=\"2\"\n    uid=80_45 StaticText \"In 2018, the Rust community decided to improve the programming experience for a few distinct domains (see \"\n    uid=80_46 link \"the 2018 roadmap\" url=\"https://blog.rust-lang.org/2018/03/12/roadmap.html\"\n      uid=80_47 StaticText \"the 2018 roadmap\"\n    uid=80_48 StaticText \"). For these, you can find many high-quality crates and some awesome guides on how to get started.\"\n    uid=80_49 image \"terminal\" url=\"https://rust-lang.org/static/images/cli.svg\"\n    uid=80_50 heading \"Command Line\" level=\"3\"\n    uid=80_51 StaticText \"Whip up a CLI tool quickly with Rust’s robust ecosystem. Rust helps you maintain your app with confidence and distribute it with ease.\"\n    uid=80_52 link \"BUILDING TOOLS\" url=\"https://rust-lang.org/what/cli\"\n      uid=80_53 StaticText \"BUILDING TOOLS\"\n    uid=80_54 image \"gear with puzzle piec","is_error":false}]},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"8f2197b3-4859-4e10-9259-316dcf191c61","timestamp":"2026-04-07T19:50:22.232Z"}
{"type":"system","subtype":"task_progress","task_id":"a79a9c853accfe25d","tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","description":"Writing research_rust_wiki.ts","usage":{"total_tokens":18232,"tool_uses":10,"duration_ms":33180},"last_tool_name":"Write","uuid":"8461c2e7-cb46-4827-a988-1235f046efa8","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_0113HXkUmWx5wxr3AuoQHZ9k","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01CbX6FzfgLnpL3AfuV3gin4","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run3/workspace/research_rust_wiki.ts","content":"import { navigatePage, takeSnapshot } from \"./servers/chrome-devtools/index.js\";\n\nasync function main() {\n  // Go back to Wikipedia and get more of the snapshot\n  console.log(\"=== Revisiting Wikipedia to get designer info ===\");\n  await navigatePage({ url: \"https://en.wikipedia.org/wiki/Rust_(programming_language)\" });\n  const wikiSnap = await takeSnapshot({});\n\n  // Search for designer info in the snapshot\n  const lines = wikiSnap.split('\\n');\n  const designerLines: string[] = [];\n  for (let i = 0; i < lines.length; i++) {\n    const line = lines[i].toLowerCase();\n    if (line.includes('design') || line.includes('graydon') || line.includes('hoare') || line.includes('mozilla')) {\n      designerLines.push(lines[i]);\n      if (i + 1 < lines.length) designerLines.push(lines[i + 1]);\n    }\n  }\n  console.log(\"Designer-related lines:\");\n  console.log(designerLines.join('\\n'));\n\n  console.log(\"\\n--- Full snapshot length:\", wikiSnap.length, \"chars ---\");\n  // Print characters 6000-12000 to see the infobox area\n  console.log(\"\\n--- Snapshot chars 6000-12000 ---\");\n  console.log(wikiSnap.slice(6000, 12000));\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":6024,"cache_read_input_tokens":11657,"cache_creation":{"ephemeral_5m_input_tokens":6024,"ephemeral_1h_input_tokens":0},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"affa0c1e-d1ec-4bfb-af43-8cda07cc18d9"}
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{"type":"system","subtype":"task_progress","task_id":"a79a9c853accfe25d","tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","description":"Running Run the Wikipedia designer lookup script","usage":{"total_tokens":18882,"tool_uses":11,"duration_ms":35960},"last_tool_name":"Bash","uuid":"6767659c-e1f3-47a3-a06c-84d7088a00b3","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01WZouKU8eLJxYk28a92LowQ","type":"tool_result","content":"<persisted-output>\nOutput too large (31.5KB). Full output saved to: /Users/kunchen/.claude/projects/-Users-kunchen-github-kunchenguid-axi-bench-browser-results-chrome-devtools-mcp-code-multi-site-research-run3-workspace/0277d4c3-3ba6-44a2-a3be-131cbcf445f4/tool-results/bh6k2f2h0.txt\n\nPreview (first 2KB):\n=== Revisiting Wikipedia to get designer info ===\nDesigner-related lines:\n    uid=81_349 StaticText \"Software developer Graydon Hoare created Rust in 2006 while working at \"\n    uid=81_350 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n    uid=81_350 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n      uid=81_351 StaticText \"Mozilla\"\n      uid=81_351 StaticText \"Mozilla\"\n    uid=81_352 StaticText \", 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 Rust through the creation of the \"\n    uid=81_352 StaticText \", 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 Rust through the creation of the \"\n    uid=81_353 link \"Rust Foundation\" url=\"https://en.wikipedia.org/wiki/Rust_(programming_language)#Rust_Foundation\"\n    uid=81_373 link url=\"https://en.wikipedia.org/wiki/File:MozillaCaliforniaHeadquarters.JPG\"\n    uid=81_374 StaticText \"Mozilla Foundation headquarters, 650 Castro Street in \"\n    uid=81_374 StaticText \"Mozilla Foundation headquarters, 650 Castro Street in \"\n    uid=81_375 link \"Mountain View, California\" url=\"https://en.wikipedia.org/wiki/Mountain_View,_California\"\n    uid=81_379 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n      uid=81_380 StaticText \"Mozilla\"\n      uid=81_380 StaticText \"Mozilla\"\n    uid=81_381 StaticText \" employee Graydon Hoare in 2006. According to \"\n    uid=81_381 StaticText \" employee Graydon Hoare in 2006. According to \"\n    uid=81_382 StaticText \"MIT Technology Review\"\n    uid=81_396 StaticText \" During the time period between 2006 and 2009, Rust was not publicized to others at Mozilla and was written in Hoare's free time;\"\n...\n</persisted-output>","is_error":false}]},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"32c0c78c-71f1-4ae1-bedd-f5958e48d238","timestamp":"2026-04-07T19:50:35.110Z"}
{"type":"system","subtype":"task_progress","task_id":"a79a9c853accfe25d","tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","description":"Running Search for \"designed by\" in the Wikipedia output","usage":{"total_tokens":19798,"tool_uses":12,"duration_ms":41059},"last_tool_name":"Bash","uuid":"b3bb737f-57bf-4c28-858a-3c2318a34633","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01DFQNMvbvkooqbgX45spnM4","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01XUWu6LL95XSW6pMoY78US5","name":"Bash","input":{"command":"head -80 /Users/kunchen/.claude/projects/-Users-kunchen-github-kunchenguid-axi-bench-browser-results-chrome-devtools-mcp-code-multi-site-research-run3-workspace/0277d4c3-3ba6-44a2-a3be-131cbcf445f4/tool-results/bh6k2f2h0.txt | grep -A2 -B2 \"designer\\|Designer\\|Designed by\\|designed by\" 2>/dev/null | head -40","description":"Search for \"designed by\" in the Wikipedia output"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":852,"cache_read_input_tokens":18259,"cache_creation":{"ephemeral_5m_input_tokens":852,"ephemeral_1h_input_tokens":0},"output_tokens":64,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"136822c5-68f6-418f-ad9f-e1b830280078"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XUWu6LL95XSW6pMoY78US5","type":"tool_result","content":"=== Revisiting Wikipedia to get designer info ===\nDesigner-related lines:\n    uid=81_349 StaticText \"Software developer Graydon Hoare created Rust in 2006 while working at \"\n    uid=81_350 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"","is_error":false}]},"parent_tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"f3a3a1fd-4e6a-404c-adf5-ef67e76265a1","timestamp":"2026-04-07T19:50:39.368Z"}
{"type":"system","subtype":"task_notification","task_id":"a79a9c853accfe25d","tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","status":"completed","output_file":"","summary":"Research Rust across three sites","usage":{"total_tokens":20097,"tool_uses":12,"duration_ms":47510},"uuid":"ae42e1a6-546b-409b-a8cc-129f4be4e69a","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_012RP7ZVLMQEgP8NyPvVfu9N","type":"tool_result","content":[{"type":"text","text":"I have all the information needed. Here is a clear summary of findings from all three sites:\n\n---\n\n**Research Results: Rust Programming Language**\n\n**Script written to:** `/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run3/workspace/research_rust.ts`\n\n---\n\n**1. Who designed Rust (Wikipedia)**\nRust was designed and created by **Graydon Hoare**, a software developer at Mozilla. He started it in 2006 as a personal project while working at Mozilla. Mozilla officially sponsored the project in 2009. The first stable release, Rust 1.0, was published in May 2015.\n\n---\n\n**2. GitHub star count (github.com/rust-lang/rust)**\nThe rust-lang/rust repository has **112k stars** (and 14.8k forks, as of the time of scraping).\n\n---\n\n**3. Tagline / main description (rust-lang.org)**\nThe official tagline displayed as the main heading on rust-lang.org is:\n\n> **\"A language empowering everyone to build reliable and efficient software.\"**"},{"type":"text","text":"agentId: a79a9c853accfe25d (use SendMessage with to: 'a79a9c853accfe25d' to continue this agent)\n<usage>total_tokens: 19689\ntool_uses: 12\nduration_ms: 47511</usage>"}]}]},"parent_tool_use_id":null,"session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"6442d7e9-051b-407c-8a5a-e9d6023f29c4","timestamp":"2026-04-07T19:50:45.785Z","tool_use_result":{"status":"completed","prompt":"Research the Rust programming language across three sites using the browser automation tools at ./servers/chrome-devtools/. \n\nWrite and run a TypeScript script that:\n1. Visits https://en.wikipedia.org/wiki/Rust_(programming_language) and extracts who designed Rust\n2. Visits https://github.com/rust-lang/rust and extracts the star count\n3. Visits https://www.rust-lang.org/ and extracts the tagline or main description\n\nUse the navigatePage and takeSnapshot tools. Write the script to a file like research_rust.ts in the current directory and run it with `npx tsx research_rust.ts`.\n\nReport all three pieces of information clearly.","agentId":"a79a9c853accfe25d","content":[{"type":"text","text":"I have all the information needed. Here is a clear summary of findings from all three sites:\n\n---\n\n**Research Results: Rust Programming Language**\n\n**Script written to:** `/Users/kunchen/github/kunchenguid/axi/bench-browser/results/chrome-devtools-mcp-code/multi_site_research/run3/workspace/research_rust.ts`\n\n---\n\n**1. Who designed Rust (Wikipedia)**\nRust was designed and created by **Graydon Hoare**, a software developer at Mozilla. He started it in 2006 as a personal project while working at Mozilla. Mozilla officially sponsored the project in 2009. The first stable release, Rust 1.0, was published in May 2015.\n\n---\n\n**2. GitHub star count (github.com/rust-lang/rust)**\nThe rust-lang/rust repository has **112k stars** (and 14.8k forks, as of the time of scraping).\n\n---\n\n**3. Tagline / main description (rust-lang.org)**\nThe official tagline displayed as the main heading on rust-lang.org is:\n\n> **\"A language empowering everyone to build reliable and efficient software.\"**"}],"totalDurationMs":47511,"totalTokens":19689,"totalToolUseCount":12,"usage":{"input_tokens":1,"cache_creation_input_tokens":1150,"cache_read_input_tokens":18259,"output_tokens":279,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":1150},"inference_geo":"","iterations":[],"speed":"standard"}}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01Cjv6j3nv21sHXbECs1RCGg","type":"message","role":"assistant","content":[{"type":"text","text":"Here are the findings from all three sites:\n\n**1. Wikipedia — Designer**\nRust was designed by **Graydon Hoare** (started as a personal project in 2006, with Mozilla officially sponsoring it in 2009).\n\n**2. GitHub — Star count**\nThe `rust-lang/rust` repository has **112k stars**.\n\n**3. rust-lang.org — Tagline**\n> \"A language empowering everyone to build reliable and efficient software.\""}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":642,"cache_read_input_tokens":15966,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":642},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","uuid":"07557835-5e0a-4ce3-82ae-0a245da46d21"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":55549,"duration_api_ms":52007,"num_turns":2,"result":"Here are the findings from all three sites:\n\n**1. Wikipedia — Designer**\nRust was designed by **Graydon Hoare** (started as a personal project in 2006, with Mozilla officially sponsoring it in 2009).\n\n**2. GitHub — Star count**\nThe `rust-lang/rust` repository has **112k stars**.\n\n**3. rust-lang.org — Tagline**\n> \"A language empowering everyone to build reliable and efficient software.\"","stop_reason":"end_turn","session_id":"0277d4c3-3ba6-44a2-a3be-131cbcf445f4","total_cost_usd":0.1742268,"usage":{"input_tokens":3,"cache_creation_input_tokens":8163,"cache_read_input_tokens":24411,"output_tokens":398,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":8163,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":218,"outputTokens":3080,"cacheReadInputTokens":144676,"cacheCreationInputTokens":22392,"webSearchRequests":0,"costUSD":0.1742268,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"cc559239-626f-4a4b-a8cf-d367209efad3"}
