{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Writing: Glasswing Initial Update","description":"Anthropic writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/d4c73053-fbf8-45f0-bacd-deb23f24ebc7","json_url":"https://onlylabs.fyi/signals/d4c73053-fbf8-45f0-bacd-deb23f24ebc7/signal.json","generated_at":"2026-06-09T02:21:35.112056+00:00","org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/anthropic","dossier_json_url":"https://onlylabs.fyi/labs/anthropic/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/d4c73053-fbf8-45f0-bacd-deb23f24ebc7","signal_json":"https://onlylabs.fyi/signals/d4c73053-fbf8-45f0-bacd-deb23f24ebc7/signal.json","source":"https://www.anthropic.com/research/glasswing-initial-update","lab_dossier":"https://onlylabs.fyi/labs/anthropic","lab_dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis":"https://onlylabs.fyi/analysis/anthropic","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","data_business":null},"answer_pack":{"answer":"Anthropic published Glasswing Initial Update. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Project Glasswing: An initial update \\ Anthropic Announcements Project Glasswing: An initial update May 22, 2026 Last month, we launched Project Glasswing , our.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","signal_desk":"talking","source_context":{"source_url":"https://www.anthropic.com/research/glasswing-initial-update","source_host":"anthropic.com","occurred_at":"2026-05-22T20:37:40+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod","context":null},"context_markers":[{"label":"Lab","value":"Anthropic","source":"signal"},{"label":"Signal desk","value":"talking","source":"signal"},{"label":"Source host","value":"anthropic.com","source":"source"},{"label":"Watch term","value":"RL environments","source":"evidence"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch 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narrative layer over raw signals and helps identify which frontier-lab priorities are becoming externally legible.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/d4c73053-fbf8-45f0-bacd-deb23f24ebc7/signal.json","required":true},{"label":"source","url":"https://www.anthropic.com/research/glasswing-initial-update","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/anthropic/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/anthropic/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/talking/signals.json","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited 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This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Project Glasswing: An initial update \\ Anthropic Announcements Project Glasswing: An initial update May 22, 2026 Last month, we launched Project Glasswing , our.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","semantic_triples":[{"subject":"Anthropic","predicate":"published","object":"Glasswing Initial Update","text":"Anthropic published Glasswing Initial Update."},{"subject":"Glasswing Initial Update","predicate":"is classified as","object":"writing signal","text":"Glasswing Initial Update is classified as writing signal."},{"subject":"Glasswing Initial Update","predicate":"belongs to","object":"talking desk","text":"Glasswing Initial Update belongs to talking desk."},{"subject":"Glasswing Initial Update","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Glasswing Initial Update has evidence coverage 1 captured evidence page."}]},"signal":{"id":"d4c73053-fbf8-45f0-bacd-deb23f24ebc7","url":"https://onlylabs.fyi/signals/d4c73053-fbf8-45f0-bacd-deb23f24ebc7","json_url":"https://onlylabs.fyi/signals/d4c73053-fbf8-45f0-bacd-deb23f24ebc7/signal.json","source_url":"https://www.anthropic.com/research/glasswing-initial-update","title":"Glasswing Initial Update","summary":"Anthropic published a writing signal. onlylabs watches public writing for research themes, product direction, and model-launch context.","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-05-22T20:37:40+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://www.anthropic.com/research/glasswing-initial-update"]},"facets":{},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"url":"https://www.anthropic.com/research/glasswing-initial-update","final_url":"https://www.anthropic.com/research/glasswing-initial-update","title":"Glasswing Initial Update","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-09T02:21:35.112056+00:00","bytes":164851,"raw_path":"9d44573c198f670ad553038771ab287d1f5b7e871447338ad67d63e9351fa3d6.html","content_hash":"8d35b67a2f06d5e264540a1ad8c43f74914572e4b4956caba266251fedcfafe9","excerpt_chars":1200,"truncated":true,"excerpt":"Project Glasswing: An initial update \\ Anthropic Announcements Project Glasswing: An initial update May 22, 2026 Last month, we launched Project Glasswing , our collaborative effort to secure the world’s most critical software before increasingly capable AI models can be turned against it. Since then, we and our approximately 50 partners have used Claude Mythos Preview to find more than ten thousand high- or critical-severity vulnerabilities across the most systemically important software in the world. Progress on software security used to be limited by how quickly we could find new vulnerabilities. Now it’s limited by how quickly we can verify, disclose, and patch the large numbers of vulnerabilities found by AI. In this post, we discuss what we’ve learned about this critical challenge for cybersecurity in the first weeks of Project Glasswing. We focus on the early public evidence of Mythos Preview’s performance, on the initial results of our effort to scan thousands of open-source software projects, and on what this progress means for cyberdefenders today. We also cover what to expect next from Project Glasswing, and how we’re thinking about releasing Mythos-class models in the..."},"evidence_pages":[{"url":"https://www.anthropic.com/research/glasswing-initial-update","final_url":"https://www.anthropic.com/research/glasswing-initial-update","title":"Glasswing Initial Update","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-09T02:21:35.112056+00:00","bytes":164851,"raw_path":"9d44573c198f670ad553038771ab287d1f5b7e871447338ad67d63e9351fa3d6.html","content_hash":"8d35b67a2f06d5e264540a1ad8c43f74914572e4b4956caba266251fedcfafe9","excerpt_chars":1200,"truncated":true,"excerpt":"Project Glasswing: An initial update \\ Anthropic Announcements Project Glasswing: An initial update May 22, 2026 Last month, we launched Project Glasswing , our collaborative effort to secure the world’s most critical software before increasingly capable AI models can be turned against it. Since then, we and our approximately 50 partners have used Claude Mythos Preview to find more than ten thousand high- or critical-severity vulnerabilities across the most systemically important software in the world. Progress on software security used to be limited by how quickly we could find new vulnerabilities. Now it’s limited by how quickly we can verify, disclose, and patch the large numbers of vulnerabilities found by AI. In this post, we discuss what we’ve learned about this critical challenge for cybersecurity in the first weeks of Project Glasswing. We focus on the early public evidence of Mythos Preview’s performance, on the initial results of our effort to scan thousands of open-source software projects, and on what this progress means for cyberdefenders today. 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