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{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01K8BBFzPyDPosBoGqFPtQCw","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now let me open all three pages in parallel.","signature":"EukBClsIDBgCKkC/AvUgH2aaH+47TP8Me2SjOQJDZaaqwOe8dkwzCHxr75RFOj8hSIwk8xsm2PHzZzmnyUjpvI070cILlq/FU0U1MhFjbGF1ZGUtc29ubmV0LTQtNjgAEgyRurt9ZoYSw65D75IaDPPXoL656yJJmbYXdCIw/8sGOsok5ND2i2WKU4romfX0Sl7uTgb9N8Dzo3mzfd+0fwq+S1BItTyY51LOi6nxKjwuyN/1jxUHmdaEy7T/3EC1r2K9R6/1ZV5xqX5FeZ5Jkcb/mulDU3JRGhan0iHeDUh/dLQ+qoqfd0iQWugYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1007,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1007},"output_tokens":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"2ac76c43-2808-4422-8f32-64b357de314e"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01K8BBFzPyDPosBoGqFPtQCw","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01B7BSwCgN47xBFrTc61vjy7","name":"mcp__chrome-devtools__new_page","input":{"url":"https://en.wikipedia.org/wiki/Rust_(programming_language)","background":true},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1007,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1007},"output_tokens":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"b9f2a7e2-b4f2-4d42-bbda-1f1b07af86ff"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01K8BBFzPyDPosBoGqFPtQCw","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_016ewH4ghwSoUAcscxZCLyYv","name":"mcp__chrome-devtools__new_page","input":{"url":"https://github.com/rust-lang/rust","background":true},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1007,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1007},"output_tokens":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"9eb7cb00-c244-440a-9a59-27836f7b2b9b"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01K8BBFzPyDPosBoGqFPtQCw","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_015iGuEVBqeYyiqjmr5y6np2","name":"mcp__chrome-devtools__new_page","input":{"url":"https://www.rust-lang.org/","background":true},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1007,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1007},"output_tokens":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"432292a1-3c49-4d92-b010-573cdbeb89f8"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01B7BSwCgN47xBFrTc61vjy7","type":"tool_result","content":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language) [selected]"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"c6481605-3728-41d6-ad90-5bde5f5ac6ab","timestamp":"2026-04-03T10:08:41.293Z","tool_use_result":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language) [selected]"}]}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_016ewH4ghwSoUAcscxZCLyYv","type":"tool_result","content":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"e55647f0-bfc8-49b7-bb48-e43c36ac87e0","timestamp":"2026-04-03T10:08:43.055Z","tool_use_result":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]"}]}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015iGuEVBqeYyiqjmr5y6np2","type":"tool_result","content":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"ac8e4104-6319-427b-b5b0-c40d2c03a96f","timestamp":"2026-04-03T10:08:43.428Z","tool_use_result":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01WAMtHnMRGRyWM77iw9DBx7","type":"message","role":"assistant","content":[{"type":"text","text":"All three pages are open. Let me extract the relevant information from each."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":505,"cache_read_input_tokens":17255,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":505},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"0ba126de-7be4-4979-8f53-e29660b0afde"}
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{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_014FstTBrykwZ1TWqzxypjCv","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now let me select each page and extract the relevant information. Let me start with Wikipedia (page 2).","signature":"EqQCClsIDBgCKkARmJpMFlbWZveePGOfSbeuR0+yro9gzpXXOUwf0BMAd9al74RvY637TqAjDMcZYyFUlH4GvL5BKeX+sDlnb5RXMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgzNGVF9ApESt/o9rEcaDHePifQXzDsAhiktySIwHePEbVFHvPYD6P8oI+iVb+VSjOPPYPLGNjf1xkC4RCQc8Sxh1aIR412yCdBXBaIpKnerbiJjYJ1o5+QvMtRYT7ohkS1ShOfyATYZgJHLKiv54KI35nLhu/G0pBQkEXYoxstwHiQApPXlTukPd00FaCHl0NZok2Bnu6Ro/iV9P1IcSdxfDwlJB4jiHuG1GRg6tKzQhfZPlOFWBLikP3Aoo2ro8LjUYf9XthgB"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1042,"cache_read_input_tokens":17255,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1042},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"203e0a9c-c76d-4c9e-827f-ca9c3a9ea0e4"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01EXkNCWpa6piykbEDSZjgpG","type":"tool_result","content":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language) [selected]\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"4438da61-9621-461b-84f4-14593508dd3c","timestamp":"2026-04-03T10:08:50.023Z","tool_use_result":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language) [selected]\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01PMiBW2SRGi1fByNPEKT5MU","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01XkcJ79rN6pD9ZusVSMU3J8","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Look for \"Designed by\" in the infobox\n  const rows = document.querySelectorAll('.infobox tr');\n  for (const row of rows) {\n    const th = row.querySelector('th');\n    const td = row.querySelector('td');\n    if (th && td && th.innerText.trim().toLowerCase().includes('designed')) {\n      return { label: th.innerText.trim(), value: td.innerText.trim() };\n    }\n  }\n  return null;\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":169,"cache_read_input_tokens":18297,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":169},"output_tokens":47,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"65602a10-ea76-46f0-8d57-beb6a48c3b86"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XkcJ79rN6pD9ZusVSMU3J8","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\nnull\n```"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"9f7ca8c9-272e-48ab-927a-38bc63197554","timestamp":"2026-04-03T10:08:53.739Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\nnull\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01CnZr2jkYNfZ2V83TqHLtDD","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01S7ib2UixVW2aJGdVFDEeXj","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  const rows = document.querySelectorAll('table tr');\n  for (const row of rows) {\n    const cells = row.querySelectorAll('th, td');\n    for (let i = 0; i < cells.length - 1; i++) {\n      if (cells[i].innerText.toLowerCase().includes('design')) {\n        return cells[i].innerText + ': ' + cells[i+1].innerText;\n      }\n    }\n  }\n  // Fallback: search all text\n  const body = document.body.innerText;\n  const match = body.match(/Designed by[^\\n]+/);\n  return match ? match[0] : 'not found';\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":379,"cache_read_input_tokens":18297,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":379},"output_tokens":53,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"f38a10ed-b6a4-40c7-859e-04e177442f09"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01S7ib2UixVW2aJGdVFDEeXj","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"not found\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"ff5d5785-a052-4097-a0f3-383009d43a12","timestamp":"2026-04-03T10:08:58.930Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"not found\"\n```"}]}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01TVhRv524GgAbHijdh2SLQZ","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"Rust\\n\\nParadigms\\tConcurrentfunctionalgenericimperativestructured\\nDeveloper\\tThe Rust Team\\nFirst appeared\\tJanuary 19, 2012; 14 years ago\\n\\nStable release\\t\\n1.94.1[1]  / March 26, 2026; 7 days ago\\n\\nTyping discipline\\tAffineinferrednominalstaticstrong\\nImplementation language\\tOCaml (2006–2011)\\nRust (2012–present)\\nPlatform\\tCross-platform[note 1]\\nOS\\tCross-platform[note 2]\\nLicense\\tMIT, Apache 2.0[note 3]\\nFilename extensions\\t.rs, .rlib\\nWebsite\\trust-lang.org\\nInfluenced by\\nAlefBETACLUC#C++CycloneElmErlangHaskellHermesLimboMesaNapierNewsqueakNIL[note 4]OCamlRubySatherSchemeStandard MLSwift[7][8]\\nInfluenced\\nIdris[9]Project Verona[10]SPARK[11]Swift[12]V[13]Zig[14]Gleam[15]\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"5f451718-daca-4386-872a-3503813b5c4f","timestamp":"2026-04-03T10:09:01.717Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"Rust\\n\\nParadigms\\tConcurrentfunctionalgenericimperativestructured\\nDeveloper\\tThe Rust Team\\nFirst appeared\\tJanuary 19, 2012; 14 years ago\\n\\nStable release\\t\\n1.94.1[1]  / March 26, 2026; 7 days ago\\n\\nTyping discipline\\tAffineinferrednominalstaticstrong\\nImplementation language\\tOCaml (2006–2011)\\nRust (2012–present)\\nPlatform\\tCross-platform[note 1]\\nOS\\tCross-platform[note 2]\\nLicense\\tMIT, Apache 2.0[note 3]\\nFilename extensions\\t.rs, .rlib\\nWebsite\\trust-lang.org\\nInfluenced by\\nAlefBETACLUC#C++CycloneElmErlangHaskellHermesLimboMesaNapierNewsqueakNIL[note 4]OCamlRubySatherSchemeStandard MLSwift[7][8]\\nInfluenced\\nIdris[9]Project Verona[10]SPARK[11]Swift[12]V[13]Zig[14]Gleam[15]\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01SZERMu6sK3D38jS5K6bfbw","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The infobox doesn't show \"Designed by\" - it shows \"Developer: The Rust Team\". Let me search more specifically in the page text for designer information.","signature":"EtYCClsIDBgCKkCZVzHwgB8Z7rzz4F3SOq03k4vpO7KjS9qM5YYOiTlNnVbY+oJmPk2+cyRzqbrGcs0V4Iw5aFKUpIZG+233OBMxMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgwMn+OpHPCUF+vcNt4aDByzSMPMEmN0ZFqCeSIwJPDR5Sk9cq5sWBl3kY9GAYj0HocfkIX5gbBfBGVc6hpcPmeivf/4tNNmFmIEcGGNKqgBEfGQZlcU9jhfg0eAANjfL/1SwhtBmD7BBRTASidHdE0hO1KGWyP1TQXRDrbN3b2DOVLvp45/ygl5tPvBICHuV+3GpMSXrLgKmo8ZPMuHv5dWbxYiDL4Km0i10yVtV2rk9d9aU19uaAdrhbFGZYA6hM75ZL1TYHlQ7gxy5AWA9+GDeSN24Fp8aGS6d01FvvvE6cl9w5SFtRN23jVqJNf4b4TDvdOtUK+sGAE="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":586,"cache_read_input_tokens":18937,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":586},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"16326531-5794-4f85-a5ee-a48147f5382b"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01SZERMu6sK3D38jS5K6bfbw","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Tx4WiVZcytB2Tn6N3mHbmT","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Search page text for Graydon Hoare (original designer)\n  const text = document.body.innerText;\n  const match = text.match(/Graydon[^\\n]*/);\n  return match ? match[0] : text.substring(0, 2000);\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":586,"cache_read_input_tokens":18937,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":586},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"e25eb314-a504-4e7b-acef-7a989515654c"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Tx4WiVZcytB2Tn6N3mHbmT","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"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 Rust through the creation of the Rust Foundation in February 2021.\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"9bf49ec5-6777-4261-9a78-07103620a29d","timestamp":"2026-04-03T10:09:06.105Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"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 Rust through the creation of the Rust Foundation in February 2021.\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01AXxxy3XkcD6jbuX4EvFAux","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me get the GitHub star count and rust-lang.org tagline in parallel."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":299,"cache_read_input_tokens":19523,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":299},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"0f8fa1d4-9cfb-4153-a10a-e595358dccf8"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01AXxxy3XkcD6jbuX4EvFAux","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017nwVGr3rR6BkNtU2vHoRQk","name":"mcp__chrome-devtools__select_page","input":{"pageId":3},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":299,"cache_read_input_tokens":19523,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":299},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"c09e2775-9d10-4c3e-905b-d0a4b98fcb1a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017nwVGr3rR6BkNtU2vHoRQk","type":"tool_result","content":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]\n4: https://rust-lang.org/"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"68e4389e-f2ba-41ad-8283-669696dde6b1","timestamp":"2026-04-03T10:09:08.882Z","tool_use_result":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust [selected]\n4: https://rust-lang.org/"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01U1W4MDGwJGErxChWGoRSjn","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_0129hD9VwYg1Pj18q3pjByjw","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  const starEl = document.querySelector('#repo-stars-counter-star, [id*=\"repo-stars-counter\"], a[href*=\"/stargazers\"] .Counter, #repo-stars-counter-unstar');\n  if (starEl) return starEl.getAttribute('title') || starEl.innerText;\n  // Try broader selector\n  const stars = document.querySelector('[aria-label*=\"star\"]');\n  if (stars) return stars.getAttribute('aria-label') + ': ' + stars.innerText;\n  return null;\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":150,"cache_read_input_tokens":19822,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":150},"output_tokens":51,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"977834dd-f24d-482e-8d98-ac3515d1b58b"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0129hD9VwYg1Pj18q3pjByjw","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"111,652\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"6d07e287-6774-457a-bdb3-74bc7315be44","timestamp":"2026-04-03T10:09:13.749Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"111,652\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01UqUUVStBvang96cciyqhUA","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01KA31mw8tnxzdH8zsi7sqYf","name":"mcp__chrome-devtools__select_page","input":{"pageId":4},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":219,"cache_read_input_tokens":19972,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":219},"output_tokens":62,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"3fe55e70-65d9-48a9-86ca-e2c07de6cf86"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01KA31mw8tnxzdH8zsi7sqYf","type":"tool_result","content":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"72ca146e-e13d-4e90-9465-c75b412f3b0e","timestamp":"2026-04-03T10:09:18.720Z","tool_use_result":[{"type":"text","text":"## Pages\n1: about:blank\n2: https://en.wikipedia.org/wiki/Rust_(programming_language)\n3: https://github.com/rust-lang/rust\n4: https://rust-lang.org/ [selected]"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01AiWEKudPcfCJgk3zdFQJJG","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01UbLkmgHX6JCt7kEoNpoxWu","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Get main heading / tagline\n  const h1 = document.querySelector('h1');\n  const h2 = document.querySelector('h2');\n  const tagline = document.querySelector('.tagline, .hero p, [class*=\"tagline\"], [class*=\"hero\"] p');\n  return {\n    h1: h1 ? h1.innerText : null,\n    h2: h2 ? h2.innerText : null,\n    tagline: tagline ? tagline.innerText : null,\n    title: document.title\n  };\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":349,"cache_read_input_tokens":19972,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":349},"output_tokens":48,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"c68e1a45-0550-47cd-90bc-9f73d68d6e57"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01UbLkmgHX6JCt7kEoNpoxWu","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n{\"h1\":\"Rust\",\"h2\":\"A language empowering everyone\\nto build reliable and efficient software.\",\"tagline\":null,\"title\":\"Rust Programming Language\"}\n```"}]}]},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"dffdb88f-b312-4443-b1da-f595224f90d7","timestamp":"2026-04-03T10:09:22.614Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n{\"h1\":\"Rust\",\"h2\":\"A language empowering everyone\\nto build reliable and efficient software.\",\"tagline\":null,\"title\":\"Rust Programming Language\"}\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01VKWsMqqgh19HMqM7qFiRxK","type":"message","role":"assistant","content":[{"type":"text","text":"Here's a summary of what I found across all three sites:\n\n---\n\n**1. Wikipedia — Designer**\nRust was created by **Graydon Hoare** in 2006 while working at Mozilla. Mozilla officially sponsored the project in 2009, and the Rust Foundation was formed in 2021.\n\n**2. GitHub (`rust-lang/rust`) — Star Count**\nThe repository has **111,652 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":260,"cache_read_input_tokens":20321,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":260},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"dfb878f3-41c6-4641-9138-a4ac7361115c","uuid":"cc18fe4c-72b2-4846-8ce0-da88f13b833c"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":55575,"duration_api_ms":51658,"num_turns":15,"result":"Here's a summary of what I found across all three sites:\n\n---\n\n**1. Wikipedia — Designer**\nRust was created by **Graydon Hoare** in 2006 while working at Mozilla. Mozilla officially sponsored the project in 2009, and the Rust Foundation was formed in 2021.\n\n**2. GitHub (`rust-lang/rust`) — Star Count**\nThe repository has **111,652 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":"dfb878f3-41c6-4641-9138-a4ac7361115c","total_cost_usd":0.14856464999999996,"usage":{"input_tokens":20,"cache_creation_input_tokens":12871,"cache_read_input_tokens":233178,"output_tokens":2019,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":12871,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":20,"outputTokens":2019,"cacheReadInputTokens":233178,"cacheCreationInputTokens":12871,"webSearchRequests":0,"costUSD":0.14856464999999996,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"4d6621b4-dcdd-4c5f-b508-b0f7856c8b98"}
