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{"type":"rate_limit_event","rate_limit_info":{"status":"allowed","resetsAt":1775214000,"rateLimitType":"five_hour","overageStatus":"rejected","overageDisabledReason":"org_level_disabled","isUsingOverage":false},"uuid":"e2c49955-f4b5-4f54-86ce-4477931184fa","session_id":"cc4ca64b-200b-434f-a51f-154053bb30be"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_0131mGNPSkwGx9jiBZqvcdXj","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Let me open all three pages in parallel.","signature":"EuUBClsIDBgCKkDTYKyytua3470b2VykzzafW80EaG1al354trHH8v/e7aZ5Uez1nBp3nbm8Xnte9WAf2AZmJWm4WnGAtqNWfPAjMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgziYL8pbF9xfAwum8QaDC6+xdpiQIbEdtI2siIwqUUOBlCmltfILgpPrelz1bFkNvt/u6/Z2jAevSSWGmAt+iCrgioZZZqMY8zYg1byKjgHZAkmz09zmxqK+sBnc+CS0NrnjQHQC9rptVswGKf936lodOy6UcM3nn+EJiyJ7KPa/YvAEkr7ABgB"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1096,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1096},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"d12e6670-96ac-405e-8d5d-8eef1ae3f2ab"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_0131mGNPSkwGx9jiBZqvcdXj","type":"message","role":"assistant","content":[{"type":"text","text":"I'll open all three sites in parallel."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1096,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1096},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"6b914ac8-d163-43a9-bf6d-a7bf89923de1"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_0131mGNPSkwGx9jiBZqvcdXj","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01GhRG2hKaxeAKBGi5gGPbqQ","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":1096,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1096},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"09e7ed76-68de-4a07-adda-d0c5b1885f3b"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_0131mGNPSkwGx9jiBZqvcdXj","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01FGjLSRJPYFUz296RHtgYJK","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":1096,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1096},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"7e3b610e-6cda-448a-886f-77a14d3f97d3"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_0131mGNPSkwGx9jiBZqvcdXj","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01EmTkjwYbUKmiHyLuTABu6d","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":1096,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1096},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"c7141dbd-4429-4369-b53e-df019c0cd8cc"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01GhRG2hKaxeAKBGi5gGPbqQ","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"db300d60-dc6c-4033-99aa-6a52b4e9fb97","timestamp":"2026-04-03T10:06:10.727Z","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_01FGjLSRJPYFUz296RHtgYJK","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"3c563d0b-cb3e-42c7-9e26-182ead0670b2","timestamp":"2026-04-03T10:06:12.468Z","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_01EmTkjwYbUKmiHyLuTABu6d","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"0df8e1ea-4414-4e82-97c6-300046c9304b","timestamp":"2026-04-03T10:06:12.926Z","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_016hrg4CsUQ9M7oNnoZULnPn","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now let me take snapshots or evaluate scripts on each page to get the needed info. Let me use evaluate_script to extract the specific information from each page.","signature":"Et8CClsIDBgCKkAZ6JrWq/ANu0qL45634w5tW/nBIF6weHrXi1ETkc8t3YWS9d/mwLxy47JW2bzTCQwBNtz1dGR4LjsNqvfW48CvMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgxZVU/ynVcuWGKP99caDJvmUK+IR2O8L1SSYSIwjGdN2rUCieXubPX5+zCfpkEOMiD123ATfirqKUeoU8yEeZRjdA7Xq+0umKQFGFZPKrEB978JOGgQBG5FgKHBUdoo2AeTnV6QurWqZ6pMz/1py2TmRf8Zh6vAY42e/KMDAjNImdGk0tANnjPWxp/5/mE8pwkDNagQijJzDu0m/CjPtUVrSQCYR6S5kslE3MfKgdExKI+nTgosvmUTqTTGMCgCwRiK339kAgKT0PYiUuF9lyTZpId22IxKDwjlyN4vcvFp105Z6xlpF0W+IxtEkhtFNL5ZtkA2z2/3UtF3lv1cw8l3GAE="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":514,"cache_read_input_tokens":17344,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":514},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"31b80de4-fdc6-4e23-8808-2d3aa0c3e2da"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_016hrg4CsUQ9M7oNnoZULnPn","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me extract the needed info from all three pages in parallel."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":514,"cache_read_input_tokens":17344,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":514},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"ed7257fd-1bf6-415e-86fc-772102949dc4"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_016hrg4CsUQ9M7oNnoZULnPn","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_015uKps5Hdd59GUbPtHKNKgr","name":"ToolSearch","input":{"query":"select:mcp__chrome-devtools__evaluate_script,mcp__chrome-devtools__select_page,mcp__chrome-devtools__take_snapshot","max_results":3},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":514,"cache_read_input_tokens":17344,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":514},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"f3d9eda3-1780-4468-b7c8-27878ed635cf"}
{"type":"user","message":{"role":"user","content":[{"type":"tool_result","tool_use_id":"toolu_015uKps5Hdd59GUbPtHKNKgr","content":[{"type":"tool_reference","tool_name":"mcp__chrome-devtools__evaluate_script"},{"type":"tool_reference","tool_name":"mcp__chrome-devtools__select_page"},{"type":"tool_reference","tool_name":"mcp__chrome-devtools__take_snapshot"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"0f1ec957-d52a-43c7-a4aa-e36f5185d6fc","timestamp":"2026-04-03T10:06:16.980Z","tool_use_result":{"matches":["mcp__chrome-devtools__evaluate_script","mcp__chrome-devtools__select_page","mcp__chrome-devtools__take_snapshot"],"query":"select:mcp__chrome-devtools__evaluate_script,mcp__chrome-devtools__select_page,mcp__chrome-devtools__take_snapshot","total_deferred_tools":42}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01NHmyfay6PFREKChCjea13c","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Let me select each page and evaluate scripts to get the needed info. I'll do them sequentially since I need to select a page before evaluating.\n\nLet me start by evaluating scripts on all three pages. I need to select each page first.\n\nActually, let me do them in sequence - select page 2 (Wikipedia), evaluate, then select page 3 (GitHub), evaluate, then select page 4 (rust-lang.org), evaluate.\n\nOr I can do all three selects first (but they can't be parallel since they affect state), then evaluate.\n\nActually, I need to select a page and then evaluate. Since select_page changes the \"currently selected page\" state, I need to do them sequentially. \n\nI'll chain the select and evaluate operations together for each page in order.","signature":" "}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":805,"cache_read_input_tokens":17858,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":805},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"cef574cd-23e4-4689-83a4-cb3e27c1b7ab"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01NHmyfay6PFREKChCjea13c","type":"message","role":"assistant","content":[{"type":"text","text":"Let me select and query each page. Starting with Wikipedia:"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":805,"cache_read_input_tokens":17858,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":805},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"e9ae58ba-fd34-43f3-bd78-121aa524d63d"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01NHmyfay6PFREKChCjea13c","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017ttL9AG54cuzLBsGqg6NGQ","name":"mcp__chrome-devtools__select_page","input":{"pageId":2},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":805,"cache_read_input_tokens":17858,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":805},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"1a3d9d5d-a53a-43bf-a0fe-f8cb6312adfb"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017ttL9AG54cuzLBsGqg6NGQ","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"fe488a83-bc4f-4f7a-a617-d0008bb1713a","timestamp":"2026-04-03T10:06:22.830Z","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_01GpushEX6gLU6iKUvPMTxqp","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01JjzMXfGv2SaxXz8gF9YGYM","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    if (th && th.innerText.includes('Designed by')) {\n      return row.querySelector('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":345,"cache_read_input_tokens":18663,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":345},"output_tokens":49,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"e6ba483b-0ec3-444e-92da-3feee865dbbb"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01JjzMXfGv2SaxXz8gF9YGYM","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\nnull\n```"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"87c7e280-5df0-4de7-b58d-fc3ca2f00776","timestamp":"2026-04-03T10:06:26.433Z","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_013tNJ1fdaKFJhkfw9NKPcXo","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Let me try a different approach for Wikipedia - take a snapshot to see the structure.","signature":"EpICClsIDBgCKkDfK0QdEHNFC4FbTfOoJCRMhbcsiGNhu5tnZg/Ok11UgJbn3TQzOFzW9EsJhtJy42p52CBdgXPSjYW+0FIZ5TzXMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgwJM0ViHrF6CSzYJ0oaDP0N9kb5H/RecTVa1CIwrMa4BIkL4VUWSogkdyoiFEcsH+R0Yg0Wfc73We9kd3EI8IG18fG3ZVigEPVCckLTKmVad8Kj6H6MAgbh1gFG4+xJTUfFnocEWqEzSjDMipbFAqysealQu63H9HnRkXAkUuER8mSeEzabxysnn90J9Q/Bpwi0SN6e1k5JEptohGP3f3Ui5InnitkBB3b8MD2kE4TBt3ctEBgB"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":293,"cache_read_input_tokens":19008,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":293},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"9089d3d4-fc31-4017-9da7-d14e3e14b25f"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_013tNJ1fdaKFJhkfw9NKPcXo","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01RiDN76vQn7quMcxLsKz93T","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  const text = document.body.innerText;\n  const match = text.match(/Designed by[\\s\\S]{0,200}/);\n  return match ? match[0].substring(0, 300) : 'not found';\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":293,"cache_read_input_tokens":19008,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":293},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"354355bf-d5c5-4bd0-b75b-88d34c9547c4"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01RiDN76vQn7quMcxLsKz93T","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"e39bb600-c53d-4310-8843-cc9d468a9582","timestamp":"2026-04-03T10:06:30.264Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"not found\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01MqQmiBmhzMxrYdKPTSoCta","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01A7GtLuvwYSABc5mgvNmkgV","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  return document.title + ' | ' + document.body.innerText.substring(0, 500);\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":183,"cache_read_input_tokens":19301,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":183},"output_tokens":50,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"b77c3e66-65c5-451d-96e8-b71f8315d61a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01A7GtLuvwYSABc5mgvNmkgV","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"Rust (programming language) - Wikipedia | Jump to content\\nMain menu\\nSearch\\nDonate\\nCreate account\\nLog in\\nContents hide\\n(Top)\\nHistory\\nToggle History subsection\\nSyntax and features\\nToggle Syntax and features subsection\\nSafety\\nEcosystem\\nToggle Ecosystem subsection\\nPerformance\\nAdoption\\nIn academic research\\nCommunity\\nToggle Community subsection\\nSee also\\nNotes\\nReferences\\nToggle References subsection\\nExternal links\\nRust (programming language)\\n53 languages\\nArticle\\nTalk\\nRead\\nEdit\\nView history\\nTools\\nAppearance hide\\nBirthday mode (Baby Globe)\\nDisab\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"ef0c0a0b-8481-4f10-8025-db24e58f313a","timestamp":"2026-04-03T10:06:33.522Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"Rust (programming language) - Wikipedia | Jump to content\\nMain menu\\nSearch\\nDonate\\nCreate account\\nLog in\\nContents hide\\n(Top)\\nHistory\\nToggle History subsection\\nSyntax and features\\nToggle Syntax and features subsection\\nSafety\\nEcosystem\\nToggle Ecosystem subsection\\nPerformance\\nAdoption\\nIn academic research\\nCommunity\\nToggle Community subsection\\nSee also\\nNotes\\nReferences\\nToggle References subsection\\nExternal links\\nRust (programming language)\\n53 languages\\nArticle\\nTalk\\nRead\\nEdit\\nView history\\nTools\\nAppearance hide\\nBirthday mode (Baby Globe)\\nDisab\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01JSZsap1hMb4vrQtrYqERse","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The page seems to have loaded but the infobox might not be structured as expected. Let me try a different selector to find \"Designed by\".","signature":"EscCClsIDBgCKkAkaPxc8kwwwVI+W94RIQpeR561uS3v8xWCqSuN0OOlvNSVuwRDLZdjll4HoBSuyPbQydLMv+phuNEy23tvh6KsMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgzi1p7/KYuFN21/kQ4aDDTg56Zx0WwdnI1k1SIwubiuEoMdI4Rk6zCGxXAWwx0Q0ElgvjQsU8Ua8wfeOmi6lzFbOYMHFNFYxwiD3g5GKpkBemaVfy+X6ZBMde1oI+2it3DzgQudufXwZRSrVH9BNJjoCXbHqqMjREZBGMBKstAKnHTk+EsB69/dcGHC3w85J3WFdOWDZAsXsjnd+rHlrLzhdIK6CFbcNDlXYjZf8ZLl087awgtAi5DrJIQ8RC4j5hl5hEKEDy0DEtpk4v3DzYjt5cc5w3cku+OzTbpo+ZRDB05Pfh1sLSjhGAE="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":307,"cache_read_input_tokens":19484,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":307},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"aec11f8e-dce3-4266-81c9-557248c1797a"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01JSZsap1hMb4vrQtrYqERse","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01WbT1Dks2MGrJN49i9cvf4r","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Try to find the infobox table\n  const tables = document.querySelectorAll('table');\n  const results = [];\n  for (const t of tables) {\n    const text = t.innerText;\n    if (text.includes('Designed')) {\n      results.push(text.substring(0, 600));\n      break;\n    }\n  }\n  return results.join('\\n');\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":307,"cache_read_input_tokens":19484,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":307},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"e8c1426c-819e-4fc4-841f-f1be9ddadb8b"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01WbT1Dks2MGrJN49i9cvf4r","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"28328bd2-0b89-4985-831e-8ff52a09e2bb","timestamp":"2026-04-03T10:06:37.635Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01HV15vNKQnSkDKLdFDV4McR","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01AmYCRj4dzunp3yQ1CLdb56","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Search all elements for \"designer\" text\n  const all = Array.from(document.querySelectorAll('*'));\n  for (const el of all) {\n    if (el.children.length === 0 && el.innerText && el.innerText.toLowerCase().includes('designer')) {\n      return el.closest('tr')?.innerText || el.innerText;\n    }\n  }\n  // fallback: look for infobox\n  const infobox = document.querySelector('.infobox');\n  return infobox ? infobox.innerText.substring(0, 1000) : 'no infobox found';\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":233,"cache_read_input_tokens":19791,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":233},"output_tokens":50,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"91cc2d33-f3d7-4144-b28a-96cb67e15764"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01AmYCRj4dzunp3yQ1CLdb56","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"300b2a1b-8d55-469d-92d1-94e7d01158b7","timestamp":"2026-04-03T10:06:42.818Z","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_01UgX2VLM7NC1RGHHevuAGpP","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Interesting - the infobox says \"Developer: The Rust Team\" but no \"Designed by\". Let me search more of the page or look for Graydon Hoare who is the original designer.","signature":"EuQCClsIDBgCKkD7hGsUiBZ+Ywg6xKL1U7w6Y10+wk3AKQLB/LRZmHB6jbo8upnnHi+D4YMBRdaDc+XtSeICmmmogqGPeFEeKMWPMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgwvkMmdrLjhNsO1BhQaDGH4qJRKg2Q9gbpQvCIwwpRLryfQK4RFeoVZ12NZ1CyXAi6aCNPMmqXiAm8RVvZUcgFjrqRjSSi2ttulm1hkKrYB6rVsdrM8JdZbc58kdAlnhoDb/alBeSn93dLT5m96MtfTA/yoaRr1zN2DBFkhGenC3/yLEY1H8HxzStlHULZF5JrxLpVtNf/Toz9f0yawTsqxbDqQEcSTgR8IR7UVGf5rovblEEU+wxIrPm7bsMK7oeg9HPXhm56rzKJjVPItuxUwEaIe+yLD/hTo0APWyXWnh15MbIkjBngrtSV+p6prRIp9uiR9TJwj/dxead5aenmkUYBhMwkYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":563,"cache_read_input_tokens":20024,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":563},"output_tokens":35,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"c7942aa4-f57b-405c-8a69-06af1a6c1de2"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01UgX2VLM7NC1RGHHevuAGpP","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01P6rmZe13TyE86HiCn5NStG","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Search for Graydon or designer in full text\n  const text = document.body.innerText;\n  const idx = text.indexOf('Graydon');\n  if (idx >= 0) return text.substring(Math.max(0, idx-100), idx+200);\n  return text.substring(0, 2000);\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":563,"cache_read_input_tokens":20024,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":563},"output_tokens":35,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"64eae6d6-dd5f-4106-b698-a19f6cec5c6f"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01P6rmZe13TyE86HiCn5NStG","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"orrow checker\\\", which tracks the object lifetime of references at compile time.\\n\\nSoftware 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 Mozill\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"25e2ab7b-9b5d-4be2-ac4f-02561d58f355","timestamp":"2026-04-03T10:06:47.763Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"orrow checker\\\", which tracks the object lifetime of references at compile time.\\n\\nSoftware 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 Mozill\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01LGhHCMWEappZ8DM6zDrtd5","type":"message","role":"assistant","content":[{"type":"text","text":"Wikipedia confirms Graydon Hoare. Now GitHub:"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":314,"cache_read_input_tokens":20587,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":314},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"6983124a-a44d-44a4-a20d-7cd304f70010"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01LGhHCMWEappZ8DM6zDrtd5","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01KXJZT5baajsXuYAioaZXEe","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":314,"cache_read_input_tokens":20587,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":314},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"a5f86b56-517f-4618-bc27-9e1de8d4b408"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01KXJZT5baajsXuYAioaZXEe","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"5569d79b-6515-4a93-ab19-754fb626c4c3","timestamp":"2026-04-03T10:06:50.296Z","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_012J4Xfe9P4Er9Gsuwq9eQB4","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017WrzPQT5iY8e1T6gqf4Xu8","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Look for star count\n  const starEl = document.querySelector('#repo-stars-counter-star, [aria-label*=\"star\"], .Counter');\n  if (starEl) return starEl.getAttribute('aria-label') || starEl.innerText;\n  // Try finding by text near \"Star\"\n  const spans = Array.from(document.querySelectorAll('span[id*=\"star\"], a[href*=\"stargazers\"]'));\n  return spans.map(s => s.innerText || s.getAttribute('aria-label')).join(' | ');\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":144,"cache_read_input_tokens":20901,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":144},"output_tokens":52,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"3ee76e85-0d81-41c0-8e1f-c25030fd280a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017WrzPQT5iY8e1T6gqf4Xu8","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"14.7k\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"c2bdef4a-8e6c-4345-aa63-c1fe53f43e19","timestamp":"2026-04-03T10:06:55.054Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"14.7k\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01Y1HL6E7KTUdNqB8B3zQzjN","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Hmm, 14.7k seems low for the Rust language repo. That might not be the star count - let me check more carefully.","signature":"Eq4CClsIDBgCKkAkHVqDz3DzCrEXkQ7RlvZOWBUXO4a7ArXkrVhPXIq3MCcJD49R4CPSYes6G2upbeIlunXTTlYCuT9sFXKXDUxhMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgz+4yhFuQp44KFTH9waDKDO2xy3zHksvCmvzSIwXZQBxDuy8tNnhgkzj0fhSBZib2c5/0kQ0drRJYn62ps4OyaI8RxMvqeJzwPyzjojKoABwBvakVsxGFVe2UWgEf5OrJ1qcIPfiuOQp0GIU0uw7FF80rS2MFB2LUj8QkrpaqADMcHIQS788VA/viSTVw0oxKcHTqRran6b0NkJOCvCOpn5el3oWj982w8wgWHe3VIPy07JM70sPYQFuXeBLK9P0AgqDP/Q3ywFvIDKcVKwsPQYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":227,"cache_read_input_tokens":21045,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":227},"output_tokens":27,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"a691d272-3466-4374-bb52-76d04706fd35"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01Y1HL6E7KTUdNqB8B3zQzjN","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017mkcj9VMV4uK2m92faskRa","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  // Find the stargazers link\n  const starLink = document.querySelector('a[href=\"/rust-lang/rust/stargazers\"]');\n  if (starLink) return starLink.innerText.trim();\n  // Try the social count\n  const socialCount = document.querySelector('.social-count');\n  if (socialCount) return socialCount.innerText.trim();\n  // broader search\n  const els = document.querySelectorAll('[aria-label]');\n  const results = [];\n  for (const el of els) {\n    const label = el.getAttribute('aria-label');\n    if (label && label.toLowerCase().includes('star')) results.push(label + ': ' + el.innerText);\n  }\n  return results.join('\\n');\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":227,"cache_read_input_tokens":21045,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":227},"output_tokens":27,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"bc4f9df1-aa58-402b-a26b-804b183321a2"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017mkcj9VMV4uK2m92faskRa","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"112k stars\"\n```"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"742a8207-8a79-4218-aba4-c9f3f69ce354","timestamp":"2026-04-03T10:07:00.434Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n\"112k stars\"\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01CR1fQZo5JwWxHorweZWd94","type":"message","role":"assistant","content":[{"type":"text","text":"Good, 112k stars. Now rust-lang.org:"}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":320,"cache_read_input_tokens":21272,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":320},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"3fac25fe-31fc-4ee6-ae19-59c047f233d7"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01CR1fQZo5JwWxHorweZWd94","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01AhffNWcNHAT6a8xjRdrPYk","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":320,"cache_read_input_tokens":21272,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":320},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"0c0df88c-ae6a-4c23-8ed9-90a988e20465"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01AhffNWcNHAT6a8xjRdrPYk","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":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"1d5ab171-532f-459f-8207-11205a0a20e2","timestamp":"2026-04-03T10:07:02.442Z","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_01LJFHiSofSYs3AKJhbdWbcJ","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Mhf6XXRD3vKt8X5GWoLZsC","name":"mcp__chrome-devtools__evaluate_script","input":{"function":"() => {\n  const h1 = document.querySelector('h1');\n  const tagline = document.querySelector('.tagline, .pitch, [class*=\"tagline\"], [class*=\"pitch\"], h2');\n  return {\n    title: document.title,\n    h1: h1?.innerText,\n    tagline: tagline?.innerText,\n    bodyStart: document.body.innerText.substring(0, 500)\n  };\n}"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":251,"cache_read_input_tokens":21592,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":251},"output_tokens":5,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"19f29643-2e32-4154-bb21-7352587a33c1"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Mhf6XXRD3vKt8X5GWoLZsC","type":"tool_result","content":[{"type":"text","text":"Script ran on page and returned:\n```json\n{\"title\":\"Rust Programming Language\",\"h1\":\"Rust\",\"tagline\":\"A language empowering everyone\\nto build reliable and efficient software.\",\"bodyStart\":\"Install\\nLearn\\nPlayground\\nTools\\nGovernance\\nCommunity\\nBlog\\nLanguage\\nEnglish (en-US)\\nEspañol (es)\\nFrançais (fr)\\nItaliano (it)\\n日本語 (ja)\\nPortuguês (pt-BR)\\nРусский (ru)\\nTürkçe (tr)\\n简体中文 (zh-CN)\\n正體中文 (zh-TW)\\nRust\\nA language empowering everyone\\nto build reliable and efficient software.\\nGET STARTED\\n\\nVersion 1.94.1\\n\\nWhy Rust?\\nPerformance\\n\\nRust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services, run on embedded devices, and easily integr\"}\n```"}]}]},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"1e06060c-b8d3-4c3e-aab5-31115a13b547","timestamp":"2026-04-03T10:07:06.536Z","tool_use_result":[{"type":"text","text":"Script ran on page and returned:\n```json\n{\"title\":\"Rust Programming Language\",\"h1\":\"Rust\",\"tagline\":\"A language empowering everyone\\nto build reliable and efficient software.\",\"bodyStart\":\"Install\\nLearn\\nPlayground\\nTools\\nGovernance\\nCommunity\\nBlog\\nLanguage\\nEnglish (en-US)\\nEspañol (es)\\nFrançais (fr)\\nItaliano (it)\\n日本語 (ja)\\nPortuguês (pt-BR)\\nРусский (ru)\\nTürkçe (tr)\\n简体中文 (zh-CN)\\n正體中文 (zh-TW)\\nRust\\nA language empowering everyone\\nto build reliable and efficient software.\\nGET STARTED\\n\\nVersion 1.94.1\\n\\nWhy Rust?\\nPerformance\\n\\nRust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services, run on embedded devices, and easily integr\"}\n```"}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01HyitVZmEFEEJiW1LZtrdtr","type":"message","role":"assistant","content":[{"type":"text","text":"Here are the findings from all three sites:\n\n---\n\n**1. Wikipedia — Who designed Rust?**\nRust was created by **Graydon Hoare** in 2006 while working at Mozilla, which officially sponsored the project in 2009.\n\n**2. GitHub (rust-lang/rust) — Star count?**\nThe repository has **112k stars**.\n\n**3. rust-lang.org — Tagline/main description?**\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":439,"cache_read_input_tokens":21843,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":439},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","uuid":"5be38e08-b918-41e3-bf3e-34929aa4117a"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":67849,"duration_api_ms":63036,"num_turns":18,"result":"Here are the findings from all three sites:\n\n---\n\n**1. Wikipedia — Who designed Rust?**\nRust was created by **Graydon Hoare** in 2006 while working at Mozilla, which officially sponsored the project in 2009.\n\n**2. GitHub (rust-lang/rust) — Star count?**\nThe repository has **112k stars**.\n\n**3. rust-lang.org — Tagline/main description?**\n> *\"A language empowering everyone to build reliable and efficient software.\"*","stop_reason":"end_turn","session_id":"cc4ca64b-200b-434f-a51f-154053bb30be","total_cost_usd":0.18511545000000001,"usage":{"input_tokens":25,"cache_creation_input_tokens":13679,"cache_read_input_tokens":303564,"output_tokens":2845,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":13679,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":25,"outputTokens":2845,"cacheReadInputTokens":303564,"cacheCreationInputTokens":13679,"webSearchRequests":0,"costUSD":0.18511545000000001,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"8bebba86-067f-4110-9a34-d068de11e8ed"}
