{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Writing: Claudes Constitution","description":"Anthropic writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/648168d9-b29c-4c70-8982-d26469eacce1","json_url":"https://onlylabs.fyi/signals/648168d9-b29c-4c70-8982-d26469eacce1/signal.json","generated_at":"2026-06-11T04:14:58.798097+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/648168d9-b29c-4c70-8982-d26469eacce1","signal_json":"https://onlylabs.fyi/signals/648168d9-b29c-4c70-8982-d26469eacce1/signal.json","source":"https://www.anthropic.com/news/claudes-constitution","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 Claudes Constitution. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Claude’s Constitution \\ Anthropic Announcements Claude’s Constitution May 9, 2023 Read the new constitution Update, Jan 21, 2026: We&#x27;ve published a new version of.... 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/news/claudes-constitution","source_host":"anthropic.com","occurred_at":"2023-05-09T00:00:00.000Z","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"page.visible_date","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":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","source":"evidence"}],"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/news/claudes-constitution"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T04:14:58.798097+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/648168d9-b29c-4c70-8982-d26469eacce1/signal.json","dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn public writing and discussion into a readable map of research themes, product framing, policy posture, launch narratives, and market attention.","evidence_focus":["post title","source URL","captured page text","HN traction","linked model or paper references","publication date"],"extraction_questions":["Which themes are labs choosing to explain publicly?","Which posts are attracting outside discussion?","Which writing reframes a recent release, model, hiring wave, or policy stance?","Which posts mention data, evals, infrastructure, safety, or deployment workflows?"],"signal_questions":["What public theme, launch framing, or research direction does this writing signal expose?","Which themes are labs choosing to explain publicly?","Which posts are attracting outside discussion?","Do the 6 related writing signals show a repeated pattern?"],"output_fields":["org","theme","public_framing","traction","data_business_lane","evidence_url"],"data_business_relevance":"Public writing supplies the 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/648168d9-b29c-4c70-8982-d26469eacce1/signal.json","required":true},{"label":"source","url":"https://www.anthropic.com/news/claudes-constitution","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 evidence, analyze Anthropic's writing signal \"Claudes Constitution\" for frontier lab strategy."},"semantic_triples":[{"subject":"Anthropic","predicate":"published","object":"Claudes Constitution","text":"Anthropic published Claudes Constitution."},{"subject":"Claudes Constitution","predicate":"is classified as","object":"writing signal","text":"Claudes Constitution is classified as writing signal."},{"subject":"Claudes Constitution","predicate":"belongs to","object":"talking desk","text":"Claudes Constitution belongs to talking desk."},{"subject":"Claudes Constitution","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Claudes Constitution has evidence coverage 1 captured evidence page."},{"subject":"Claudes Constitution","predicate":"has captured page count","object":"1","text":"Claudes Constitution has captured page count 1."},{"subject":"Claudes Constitution","predicate":"has readable page count","object":"1","text":"Claudes Constitution has readable page count 1."},{"subject":"Claudes Constitution","predicate":"has related signal count","object":"6","text":"Claudes Constitution has related signal count 6."},{"subject":"Claudes Constitution","predicate":"has analysis playbook objective","object":"Turn public writing and discussion into a readable map of research themes, product framing, policy posture, launch narratives, and market attention.","text":"Claudes Constitution has analysis playbook objective Turn public writing and discussion into a readable map of research themes, product framing, policy posture, launch narratives, and market attention.."},{"subject":"Claudes Constitution","predicate":"has source host","object":"anthropic.com","text":"Claudes Constitution has source host anthropic.com."},{"subject":"Claudes Constitution","predicate":"has lab","object":"Anthropic","text":"Claudes Constitution has lab Anthropic."},{"subject":"Claudes Constitution","predicate":"has signal desk","object":"talking","text":"Claudes Constitution has signal desk talking."},{"subject":"Claudes Constitution","predicate":"has source host","object":"anthropic.com","text":"Claudes Constitution has source host anthropic.com."},{"subject":"Claudes Constitution","predicate":"has watch term","object":"RL environments","text":"Claudes Constitution has watch term RL environments."},{"subject":"Claudes Constitution","predicate":"has watch term","object":"Infrastructure","text":"Claudes Constitution has watch term Infrastructure."},{"subject":"Claudes Constitution","predicate":"has watch term","object":"Safety and alignment","text":"Claudes Constitution has watch term Safety and alignment."}]},"intelligence":{"signal_desk":"talking","answer":"Anthropic published Claudes Constitution. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Claude’s Constitution \\ Anthropic Announcements Claude’s Constitution May 9, 2023 Read the new constitution Update, Jan 21, 2026: We&#x27;ve published a new version of.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","semantic_triples":[{"subject":"Anthropic","predicate":"published","object":"Claudes Constitution","text":"Anthropic published Claudes Constitution."},{"subject":"Claudes Constitution","predicate":"is classified as","object":"writing signal","text":"Claudes Constitution is classified as writing signal."},{"subject":"Claudes Constitution","predicate":"belongs to","object":"talking desk","text":"Claudes Constitution belongs to talking desk."},{"subject":"Claudes Constitution","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Claudes Constitution has evidence coverage 1 captured evidence page."}]},"signal":{"id":"648168d9-b29c-4c70-8982-d26469eacce1","url":"https://onlylabs.fyi/signals/648168d9-b29c-4c70-8982-d26469eacce1","json_url":"https://onlylabs.fyi/signals/648168d9-b29c-4c70-8982-d26469eacce1/signal.json","source_url":"https://www.anthropic.com/news/claudes-constitution","title":"Claudes Constitution","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":"2023-05-09T00:00:00.000Z","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"page.visible_date","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/news/claudes-constitution"]},"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/news/claudes-constitution","final_url":"https://www.anthropic.com/news/claudes-constitution","title":"Claudes Constitution","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:14:58.798097+00:00","bytes":233495,"raw_path":"8f63dfa1697f2fa8f9bb83ce3037f40b9e503003a8091e5cf59b597bc2f52991.html","content_hash":"98e06c971ef96cf02e29bc06394853ffb52a0f4cba7d151705946b91ef5aa4d4","excerpt_chars":1200,"truncated":true,"excerpt":"Claude’s Constitution \\ Anthropic Announcements Claude’s Constitution May 9, 2023 Read the new constitution Update, Jan 21, 2026: We&#x27;ve published a new version of Claude&#x27;s constitution, which you can find at the button above. How does a language model decide which questions it will engage with and which it deems inappropriate? Why will it encourage some actions and discourage others? What “values” might a language model have? These are all questions people grapple with. Our recently published research on “Constitutional AI” provides one answer by giving language models explicit values determined by a constitution, rather than values determined implicitly via large-scale human feedback. This isn’t a perfect approach, but it does make the values of the AI system easier to understand and easier to adjust as needed. Since launching Claude , our AI assistant trained with Constitutional AI, we&#x27;ve heard more questions about Constitutional AI and how it contributes to making Claude safer and more helpful. In this post, we explain what constitutional AI is, what the values in Claude’s constitution are, and how we chose them. If you just want to skip to the principles, scroll..."},"evidence_pages":[{"url":"https://www.anthropic.com/news/claudes-constitution","final_url":"https://www.anthropic.com/news/claudes-constitution","title":"Claudes Constitution","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:14:58.798097+00:00","bytes":233495,"raw_path":"8f63dfa1697f2fa8f9bb83ce3037f40b9e503003a8091e5cf59b597bc2f52991.html","content_hash":"98e06c971ef96cf02e29bc06394853ffb52a0f4cba7d151705946b91ef5aa4d4","excerpt_chars":1200,"truncated":true,"excerpt":"Claude’s Constitution \\ Anthropic Announcements Claude’s Constitution May 9, 2023 Read the new constitution Update, Jan 21, 2026: We&#x27;ve published a new version of Claude&#x27;s constitution, which you can find at the button above. How does a language model decide which questions it will engage with and which it deems inappropriate? Why will it encourage some actions and discourage others? What “values” might a language model have? These are all questions people grapple with. Our recently published research on “Constitutional AI” provides one answer by giving language models explicit values determined by a constitution, rather than values determined implicitly via large-scale human feedback. This isn’t a perfect approach, but it does make the values of the AI system easier to understand and easier to adjust as needed. Since launching Claude , our AI assistant trained with Constitutional AI, we&#x27;ve heard more questions about Constitutional AI and how it contributes to making Claude safer and more helpful. In this post, we explain what constitutional AI is, what the values in Claude’s constitution are, and how we chose them. If you just want to skip to the principles, scroll..."}],"related_signals":[{"id":"6c78c028-3ab4-4b33-86f7-d86c8ba9e3ba","url":"https://onlylabs.fyi/signals/6c78c028-3ab4-4b33-86f7-d86c8ba9e3ba","source_url":"https://www.anthropic.com/research/agents-in-biology","title":"Agents In Biology","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-10T15:16:01+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"2648db51-9d6a-42a9-aece-a0ca5f9ce64f","url":"https://onlylabs.fyi/signals/2648db51-9d6a-42a9-aece-a0ca5f9ce64f","source_url":"https://www.anthropic.com/news/claude-fable-5-mythos-5","title":"Claude Fable 5 Mythos 5","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-09T20:27:50+00:00","first_seen_at":"2026-06-10T07:01:05.666054+00:00","date_source":"sitemap.lastmod"},{"id":"8475487f-45b4-4689-9bc5-8e4c6ca0457d","url":"https://onlylabs.fyi/signals/8475487f-45b4-4689-9bc5-8e4c6ca0457d","source_url":"https://www.anthropic.com/engineering/how-we-contain-claude","title":"How We Contain Claude","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-06T00:28:16+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"e4fbfcdd-15b4-41b9-b011-fd83e7068ae9","url":"https://onlylabs.fyi/signals/e4fbfcdd-15b4-41b9-b011-fd83e7068ae9","source_url":"https://www.anthropic.com/research/making-claude-a-chemist","title":"Making Claude A Chemist","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-05T20:13:40+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"cc62deba-9682-4751-aa6b-81c3bd7122a0","url":"https://onlylabs.fyi/signals/cc62deba-9682-4751-aa6b-81c3bd7122a0","source_url":"https://www.anthropic.com/research/measuring-agent-autonomy","title":"Measuring Agent Autonomy","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-05T15:49:18+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"93da14fd-7141-4e17-abd6-1c8d52435c70","url":"https://onlylabs.fyi/signals/93da14fd-7141-4e17-abd6-1c8d52435c70","source_url":"https://www.anthropic.com/research/values-wild","title":"Values Wild","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-05T15:38:54+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"}]}