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{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01JWxdusQqh9TAHCKbTtU13X","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01R1cium96dA6bkoXZArvW4R","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":1009,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1009},"output_tokens":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"10f12c9d-2f2c-4a2d-913b-b202f9c908a9"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01JWxdusQqh9TAHCKbTtU13X","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_019M1T2veNbmdAsvfWc6R5wh","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":1009,"cache_read_input_tokens":16248,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1009},"output_tokens":0,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"b5c82a7c-1378-47d8-bb75-1315c88397f9"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01LYVyvH4Utu8wybVHyNzkow","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":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"728bb160-f7ff-4c0a-a79c-a06d6a83902f","timestamp":"2026-04-03T10:09:42.600Z","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_01R1cium96dA6bkoXZArvW4R","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":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"e5ca057c-10db-471b-8b3a-aefb6d0361ae","timestamp":"2026-04-03T10:09:44.841Z","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_019M1T2veNbmdAsvfWc6R5wh","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":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"a6da6cb3-fbc2-41c7-80b4-85540691cacd","timestamp":"2026-04-03T10:09:45.773Z","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_016cayxKPe7bjPECox3b1NtN","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"All three pages are open. Now let me take snapshots of all three in parallel to get the content.","signature":"Ep0CClsIDBgCKkA0IoUuXJsYJ1wg+pEBEUBWV9HCd8dIc1SZApCznTCgQ6aPETpNF0ATq+FT4E0X78dts1WOkpVpCajfbwRrRvx2MhFjbGF1ZGUtc29ubmV0LTQtNjgAEgwUvmDC63iYcNDB3XMaDD/kii98lz+PFIwrUCIwDqje8FTB0CDvPnhxjPKpvAlynTscTCm147EKHzfZq67ncqVfyM/kpXfMY1bK1I6OKnCTxvs1DNdAmjhWLZUhwo3P8wrPXWP1QZkBogoAYM3LKR1d0ELvC7JswBrkUGUatdsDe/+PbkkSYzaywI6JjUXKEydae73ccShF8UDSAuqFahB3lPywRvb3Ow9QC8IT7EsaUOlSBBTyszm61ISV0q5TGAE="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":504,"cache_read_input_tokens":17257,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":504},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"fed39b81-892e-47cb-8a6a-1250498a7df9"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_016cayxKPe7bjPECox3b1NtN","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me snapshot all three pages in parallel."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":504,"cache_read_input_tokens":17257,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":504},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"e3e1bfa3-1457-4cd2-ae8b-3fe803c4e71f"}
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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","tool_use_id":"toolu_01NwxKhzAQ2W8FERLUTSDLrt","content":[{"type":"tool_reference","tool_name":"mcp__chrome-devtools__take_snapshot"},{"type":"tool_reference","tool_name":"mcp__chrome-devtools__select_page"}]}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"55419c21-04d6-4494-b62b-66ca164bf3c4","timestamp":"2026-04-03T10:09:48.898Z","tool_use_result":{"matches":["mcp__chrome-devtools__take_snapshot","mcp__chrome-devtools__select_page"],"query":"select:mcp__chrome-devtools__take_snapshot,mcp__chrome-devtools__select_page","total_deferred_tools":42}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01VREx4N28qHSRfnV1315Eu4","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Let me select each page and take a snapshot. I'll start with page 2 (Wikipedia).","signature":"Eo0CClsIDBgCKkDS2zi6t5cgbcyFFBIJmSTZ65GNr0zYo2xzf5iExFiIcMoJHAT0BnEgJu3+rdw90PdvudhOJGQfaVl6YXniCBulMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgxlvfaO4QX6YnK8vQkaDNDqWpkfYMWWRdqIXiIwaGFwZiRgHAj98lrJcbooTXOeDyO2FdVeQuA5Gg8VgxMw0/2sM82ib5jLhfF6KYo5KmB8gKYAXdGJ4tmtysg5xFQswll6P6G2HfalQ6sZwlmyy5dHAKrWT4PQ9ycqynR35rgRhLxRCA01UKnrtXOz5FOeiJa4yH2iWeGN1NmASOVLyJM3Z6boTCY4kkDVjNtxE28YAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":526,"cache_read_input_tokens":17761,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":526},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"63ecd1c7-7dc4-4dfe-bd11-f749c2eb921a"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01VREx4N28qHSRfnV1315Eu4","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01VktUoKAUVcAdCmPE74hJty","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":526,"cache_read_input_tokens":17761,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":526},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"8814c957-1b39-4077-bc94-852d11ac499a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01VktUoKAUVcAdCmPE74hJty","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":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"d40bd69f-2041-4615-a142-aa666a753483","timestamp":"2026-04-03T10:09:52.589Z","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_01XfG71CDETZgdCAUsz1Xgy1","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01XL4s7M7PzvrRJstVbo6Hoa","name":"mcp__chrome-devtools__take_snapshot","input":{"filePath":"wiki_snapshot.txt"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":168,"cache_read_input_tokens":18287,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":168},"output_tokens":50,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"ad295e7f-7aaf-4253-8994-77e69b0a8f89"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XL4s7M7PzvrRJstVbo6Hoa","type":"tool_result","content":[{"type":"text","text":"Saved snapshot to wiki_snapshot.txt."}]}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"f117fdb2-597b-4bea-bea7-70582a4654ee","timestamp":"2026-04-03T10:09:54.527Z","tool_use_result":[{"type":"text","text":"Saved snapshot to wiki_snapshot.txt."}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01EbjQni9UH4wtRsN6FHsLTz","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01NpUuuQfBAmb9eH73fv5FR1","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":255,"cache_read_input_tokens":18287,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":255},"output_tokens":62,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"77a5a458-afb0-4716-949e-a5cc8834639b"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01NpUuuQfBAmb9eH73fv5FR1","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":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"e924fae5-84ba-480d-b1b7-04609ee0b85f","timestamp":"2026-04-03T10:09:56.500Z","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_018k1dUAD92yhF9WicPzDDRH","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_019A4EosNKugjuffWyCoU5AJ","name":"mcp__chrome-devtools__take_snapshot","input":{"filePath":"github_snapshot.txt"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":217,"cache_read_input_tokens":18455,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":217},"output_tokens":57,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"8385837f-83e2-4499-a35d-8b49a70f0a2a"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_019A4EosNKugjuffWyCoU5AJ","type":"tool_result","content":[{"type":"text","text":"Saved snapshot to github_snapshot.txt."}]}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"201e799b-926c-4b70-8f46-2c49c346f223","timestamp":"2026-04-03T10:09:58.414Z","tool_use_result":[{"type":"text","text":"Saved snapshot to github_snapshot.txt."}]}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01KKYaMv3TLooPbtyUJ5etnZ","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Let me select page 4 and take a snapshot.","signature":"EuYBClsIDBgCKkBPYZ9uVK5d3e+A4w/3d8IF5q2gHYyJt2eh4yrfjdbAbYPgXT73PTSYXSmO5Vwi/gu4mfonZlpMf/CvUGR1E1EsMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgyUfQYq2HpMvK8tXrAaDB/tTkf/Vx6Atj0NwiIwoQGQ2j9bLJvdsfj5oL/cTzpP1IdDpytO1+PUlTMromYBYqrjGgOgeLS+ugV4LozvKjn+TUFth6LfRLJO/fE5NXCVu3QxUXyIgyAsvBu0Ru3cnCJUJgIGpIq1qbGWPgeq2qaAt2chfUVHVcYYAQ=="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":193,"cache_read_input_tokens":18672,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":193},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"edd7431a-cadf-41ad-aa16-d28b7a1186aa"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01KKYaMv3TLooPbtyUJ5etnZ","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_014pGmq6a9ycQPLSVgBkbj86","name":"mcp__chrome-devtools__select_page","input":{"pageId":4},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":193,"cache_read_input_tokens":18672,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":193},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"c373c13f-9c5d-4009-8b6c-edd6cd3683e7"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_014pGmq6a9ycQPLSVgBkbj86","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":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"c75f7974-c296-483c-afea-54328623f45e","timestamp":"2026-04-03T10:10:00.287Z","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_01APmU3KkARwbBWAt5ouKXaK","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01JXHAv6pA8E9jL41EhRKypx","name":"mcp__chrome-devtools__take_snapshot","input":{"filePath":"rustlang_snapshot.txt"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":352,"cache_read_input_tokens":18672,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":352},"output_tokens":59,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"c9c33426-3606-44a7-acf6-9c22dd75f529"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01JXHAv6pA8E9jL41EhRKypx","type":"tool_result","content":[{"type":"text","text":"Saved snapshot to rustlang_snapshot.txt."}]}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"bcd23a77-9620-4578-b363-2b436732624c","timestamp":"2026-04-03T10:10:02.361Z","tool_use_result":[{"type":"text","text":"Saved snapshot to rustlang_snapshot.txt."}]}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017RV5WGetris1N8TAxGnUGh","type":"tool_result","content":"No matches found"}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"85a9645e-f4e3-42be-bee6-85da938086b4","timestamp":"2026-04-03T10:10:05.428Z","tool_use_result":{"mode":"content","numFiles":0,"filenames":[],"content":"","numLines":0}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01K9FNLvTyhsYMV3cTQGYZsH","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01GJRbbEzLXbAgs7YG546z6X","name":"Grep","input":{"pattern":"star|Stars","path":"github_snapshot.txt","output_mode":"content","-i":true,"head_limit":20},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":250,"cache_read_input_tokens":18865,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":250},"output_tokens":34,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"0035ebc1-0a5a-4852-8806-575d4ce09430"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01GJRbbEzLXbAgs7YG546z6X","type":"tool_result","content":"2:  uid=2_1 link \"Skip to content\" url=\"https://github.com/rust-lang/rust#start-of-content\"\n34:    uid=2_33 link \"You must be signed in to star a repository\" url=\"https://github.com/login?return_to=%2Frust-lang%2Frust\"\n35:      uid=2_34 StaticText \" Star \"\n322:[Omitted long matching line]\n325:        uid=2_324 StaticText \" instead of start-process in x.ps1\"\n359:      uid=2_358 link \"Getting started\" url=\"https://www.rust-lang.org/learn/get-started\"\n360:        uid=2_359 StaticText \"Getting started\"\n394:      uid=2_393 heading \"Quick Start\" level=\"2\"\n395:      uid=2_394 link \"Permalink: Quick Start\" url=\"https://github.com/rust-lang/rust#quick-start\"\n480:      uid=2_479 heading \"Stars\" level=\"3\"\n481:      uid=2_480 link \"112k stars\" url=\"https://github.com/rust-lang/rust/stargazers\"\n483:        uid=2_482 StaticText \" stars\"\n\n[Showing results with pagination = limit: 20, offset: 0]"}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"2633c76f-b53a-43c5-9489-a2a4c10bab46","timestamp":"2026-04-03T10:10:06.442Z","tool_use_result":{"mode":"content","numFiles":0,"filenames":[],"content":"2:  uid=2_1 link \"Skip to content\" url=\"https://github.com/rust-lang/rust#start-of-content\"\n34:    uid=2_33 link \"You must be signed in to star a repository\" url=\"https://github.com/login?return_to=%2Frust-lang%2Frust\"\n35:      uid=2_34 StaticText \" Star \"\n322:[Omitted long matching line]\n325:        uid=2_324 StaticText \" instead of start-process in x.ps1\"\n359:      uid=2_358 link \"Getting started\" url=\"https://www.rust-lang.org/learn/get-started\"\n360:        uid=2_359 StaticText \"Getting started\"\n394:      uid=2_393 heading \"Quick Start\" level=\"2\"\n395:      uid=2_394 link \"Permalink: Quick Start\" url=\"https://github.com/rust-lang/rust#quick-start\"\n480:      uid=2_479 heading \"Stars\" level=\"3\"\n481:      uid=2_480 link \"112k stars\" url=\"https://github.com/rust-lang/rust/stargazers\"\n483:        uid=2_482 StaticText \" stars\"","numLines":12,"appliedLimit":20}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01K9FNLvTyhsYMV3cTQGYZsH","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01PmMZaZDgemRavQLKTsGf3V","name":"Grep","input":{"pattern":"tagline|A language|reliable|blazingly|performan|empowering|everyone","path":"rustlang_snapshot.txt","output_mode":"content","-i":true,"head_limit":20},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":250,"cache_read_input_tokens":18865,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":250},"output_tokens":34,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"10fc28cf-ce75-49b8-9140-6ba513a54d8d"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01PmMZaZDgemRavQLKTsGf3V","type":"tool_result","content":"33:    uid=3_32 heading \"A language empowering everyone to build reliable and efficient software.\" level=\"2\"\n39:    uid=3_38 heading \"Performance\" level=\"3\"\n40:    uid=3_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.\"\n62:    uid=3_61 StaticText \"Predictable performance. Tiny resource footprint. Rock-solid reliability. Rust is great for network services.\"\n\n[Showing results with pagination = limit: 20, offset: 0]"}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"0a25d381-7fc6-4c12-b620-1bedd84375de","timestamp":"2026-04-03T10:10:07.382Z","tool_use_result":{"mode":"content","numFiles":0,"filenames":[],"content":"33:    uid=3_32 heading \"A language empowering everyone to build reliable and efficient software.\" level=\"2\"\n39:    uid=3_38 heading \"Performance\" level=\"3\"\n40:    uid=3_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.\"\n62:    uid=3_61 StaticText \"Predictable performance. Tiny resource footprint. Rock-solid reliability. Rust is great for network services.\"","numLines":4,"appliedLimit":20}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01VYRV9WiPHaQ2iMk4Ys7jxx","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"I have the GitHub star count (112k) and the rust-lang.org tagline. Now I need the Wikipedia designer info. Let me search for it differently.","signature":"EsoCClsIDBgCKkB8dsQVAnPRNh2+qL0mj3/tlFB9jhjs8SPfR12ocfzL2EHQJksqncUWqNwAfga3flGWuVSP2rHGiXaCqSirNaJQMhFjbGF1ZGUtc29ubmV0LTQtNjgAEgwwREIp1AWzeacG40waDMhMP8zty4+Wk7199SIww1IY4k44mSuFoYXp/1b9Hqr6MlnbO8vk00+Xwx+zpges6/tuy990fwJBpQa99VRfKpwB6xcBK141xz3ZSb/sBJRq8tqzR2uihJA9WMK45/smcsRVyDjOhXzhduP/tGv/Qo70i2zuJ2Qq9KUCJ7rt9dv7+0fCn2CiwheYQdM1/bH8IJRSqljvx4qo49bhuqikJcdQt289gi2IscoY5ZjOmPC9DAcRx8kH1JN0EOshQ6XtSYL8GmB4pnbc9rIbH9Hzbq0WPiaj/nWCY8ZoJ0k2GAE="}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":927,"cache_read_input_tokens":19115,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":927},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"bb662bb5-d146-431f-b1ac-7dc4967cf5b9"}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01VYRV9WiPHaQ2iMk4Ys7jxx","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01S9t775LsvnesH68Mmx8jwJ","name":"Grep","input":{"pattern":"Graydon|Mozilla|designer|creator|created by|developed by","path":"wiki_snapshot.txt","output_mode":"content","-i":true,"head_limit":20},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":927,"cache_read_input_tokens":19115,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":927},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"22f8d683-4929-4568-8077-58bc0714c012"}
{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01S9t775LsvnesH68Mmx8jwJ","type":"tool_result","content":"384:    uid=1_349 StaticText \"Software developer Graydon Hoare created Rust in 2006 while working at \"\n385:    uid=1_350 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n386:      uid=1_351 StaticText \"Mozilla\"\n387:    uid=1_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 \"\n410:    uid=1_373 link url=\"https://en.wikipedia.org/wiki/File:MozillaCaliforniaHeadquarters.JPG\"\n411:    uid=1_374 StaticText \"Mozilla Foundation headquarters, 650 Castro Street in \"\n416:    uid=1_379 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n417:      uid=1_380 StaticText \"Mozilla\"\n418:    uid=1_381 StaticText \" employee Graydon Hoare in 2006. According to \"\n433:    uid=1_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;\"\n439:    uid=1_402 StaticText \" Hoare began speaking about the language around 2009 after a small group at Mozilla became interested in the project.\"\n535:    uid=1_498 heading \"2009–2012: Mozilla sponsorship\" level=\"3\"\n538:    uid=1_500 link \"edit\" description=\"Edit section: 2009–2012: Mozilla sponsorship\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=edit&section=3\"\n541:    uid=1_503 StaticText \"Mozilla officially sponsored the Rust project in 2009.\"\n602:    uid=1_564 StaticText \" The early 2010s witnessed increasing involvement from full-time engineers at Mozilla, open source volunteers outside Mozilla, and open source volunteers outside the United States.\"\n665:    uid=1_626 StaticText \"Graydon Hoare stepped down from Rust in 2013.\"\n720:    uid=1_681 StaticText \"Six years after Mozilla's sponsorship, Rust 1.0 was published and became the first \"\n741:    uid=1_701 StaticText \"Early homepage of Mozilla's \"\n747:    uid=1_707 StaticText \" continued in parallel with Rust, jointly funded by Mozilla and \"\n820:    uid=1_780 StaticText \"The earliest known adoption outside of Mozilla was by individual projects at Samsung, \"\n\n[Showing results with pagination = limit: 20, offset: 0]"}]},"parent_tool_use_id":null,"session_id":"6602dc50-843b-44b1-96f9-599da84106fb","uuid":"627cfe64-0f2d-4389-a01b-a51bbee975d0","timestamp":"2026-04-03T10:10:11.314Z","tool_use_result":{"mode":"content","numFiles":0,"filenames":[],"content":"384:    uid=1_349 StaticText \"Software developer Graydon Hoare created Rust in 2006 while working at \"\n385:    uid=1_350 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n386:      uid=1_351 StaticText \"Mozilla\"\n387:    uid=1_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 \"\n410:    uid=1_373 link url=\"https://en.wikipedia.org/wiki/File:MozillaCaliforniaHeadquarters.JPG\"\n411:    uid=1_374 StaticText \"Mozilla Foundation headquarters, 650 Castro Street in \"\n416:    uid=1_379 link \"Mozilla\" url=\"https://en.wikipedia.org/wiki/Mozilla\"\n417:      uid=1_380 StaticText \"Mozilla\"\n418:    uid=1_381 StaticText \" employee Graydon Hoare in 2006. According to \"\n433:    uid=1_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;\"\n439:    uid=1_402 StaticText \" Hoare began speaking about the language around 2009 after a small group at Mozilla became interested in the project.\"\n535:    uid=1_498 heading \"2009–2012: Mozilla sponsorship\" level=\"3\"\n538:    uid=1_500 link \"edit\" description=\"Edit section: 2009–2012: Mozilla sponsorship\" url=\"https://en.wikipedia.org/w/index.php?title=Rust_(programming_language)&action=edit&section=3\"\n541:    uid=1_503 StaticText \"Mozilla officially sponsored the Rust project in 2009.\"\n602:    uid=1_564 StaticText \" The early 2010s witnessed increasing involvement from full-time engineers at Mozilla, open source volunteers outside Mozilla, and open source volunteers outside the United States.\"\n665:    uid=1_626 StaticText \"Graydon Hoare stepped down from Rust in 2013.\"\n720:    uid=1_681 StaticText \"Six years after Mozilla's sponsorship, Rust 1.0 was published and became the first \"\n741:    uid=1_701 StaticText \"Early homepage of Mozilla's \"\n747:    uid=1_707 StaticText \" continued in parallel with Rust, jointly funded by Mozilla and \"\n820:    uid=1_780 StaticText \"The earliest known adoption outside of Mozilla was by individual projects at Samsung, \"","numLines":20,"appliedLimit":20}}
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{"type":"result","subtype":"success","is_error":false,"duration_ms":39662,"duration_api_ms":35629,"num_turns":16,"result":"Here are the results from all three sites:\n\n---\n\n**1. Wikipedia — Designer**\nRust was designed by **Graydon Hoare**, a software developer who created it in 2006 while working at Mozilla. Mozilla 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**\n> *\"A language empowering everyone to build reliable and efficient software.\"*","stop_reason":"end_turn","session_id":"6602dc50-843b-44b1-96f9-599da84106fb","total_cost_usd":0.13694369999999997,"usage":{"input_tokens":19,"cache_creation_input_tokens":12954,"cache_read_input_tokens":210264,"output_tokens":1682,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":12954,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":19,"outputTokens":1682,"cacheReadInputTokens":210264,"cacheCreationInputTokens":12954,"webSearchRequests":0,"costUSD":0.13694369999999997,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"047037c0-f847-403e-982d-3652412b58e8"}
