{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Writing: Contextual Retrieval","description":"Anthropic writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/36a87a48-f587-4896-8ad3-480d2c6d5ac8","json_url":"https://onlylabs.fyi/signals/36a87a48-f587-4896-8ad3-480d2c6d5ac8/signal.json","generated_at":"2026-06-11T04:15:00.697295+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/36a87a48-f587-4896-8ad3-480d2c6d5ac8","signal_json":"https://onlylabs.fyi/signals/36a87a48-f587-4896-8ad3-480d2c6d5ac8/signal.json","source":"https://www.anthropic.com/engineering/contextual-retrieval","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":{"radar":"https://onlylabs.fyi/data-radar","radar_json":"https://onlylabs.fyi/data-radar.json","opportunities":"https://onlylabs.fyi/opportunities","opportunities_json":"https://onlylabs.fyi/opportunities.json","lanes":[{"key":"data","label":"Data demand","url":"https://onlylabs.fyi/data-radar/data","json_url":"https://onlylabs.fyi/data-radar/data/signals.json"},{"key":"evals","label":"Evals and quality","url":"https://onlylabs.fyi/data-radar/evals","json_url":"https://onlylabs.fyi/data-radar/evals/signals.json"}]}},"answer_pack":{"answer":"Anthropic published Contextual Retrieval. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Contextual Retrieval in AI Systems \\ Anthropic Engineering at Anthropic Introducing Contextual Retrieval Published Sep 19, 2024 For an AI model to be useful in specific.... onlylabs links this event to 1 captured evidence page and 6 related writing signals. It also maps to Data demand, Evals and quality in the data-business radar.","signal_desk":"talking","source_context":{"source_url":"https://www.anthropic.com/engineering/contextual-retrieval","source_host":"anthropic.com","occurred_at":"2024-09-19T00:00:00.000Z","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":"Radar lane","value":"Data demand","source":"radar"},{"label":"Radar lane","value":"Evals and quality","source":"radar"},{"label":"Matched term","value":"retrieval","source":"radar"},{"label":"Matched term","value":"eval","source":"radar"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Data 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legible.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/36a87a48-f587-4896-8ad3-480d2c6d5ac8/signal.json","required":true},{"label":"source","url":"https://www.anthropic.com/engineering/contextual-retrieval","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":"https://onlylabs.fyi/data-radar.json","required":true}],"expected_output":["one-paragraph source-grounded interpretation","data-business 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 \"Contextual Retrieval\" for frontier lab strategy and data-business implications."},"semantic_triples":[{"subject":"Anthropic","predicate":"published","object":"Contextual Retrieval","text":"Anthropic published Contextual Retrieval."},{"subject":"Contextual Retrieval","predicate":"is classified as","object":"writing signal","text":"Contextual Retrieval is classified as writing signal."},{"subject":"Contextual Retrieval","predicate":"belongs to","object":"talking desk","text":"Contextual Retrieval belongs to talking desk."},{"subject":"Contextual Retrieval","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Contextual Retrieval has evidence coverage 1 captured evidence page."},{"subject":"Contextual Retrieval","predicate":"matches data-business lanes","object":"Data demand, Evals and quality","text":"Contextual Retrieval matches data-business lanes Data demand, Evals and quality."},{"subject":"Contextual Retrieval","predicate":"has captured page count","object":"1","text":"Contextual Retrieval has captured page count 1."},{"subject":"Contextual Retrieval","predicate":"has readable page count","object":"1","text":"Contextual Retrieval has readable page count 1."},{"subject":"Contextual Retrieval","predicate":"has related signal count","object":"6","text":"Contextual Retrieval has related signal count 6."},{"subject":"Contextual Retrieval","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":"Contextual Retrieval 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":"Contextual Retrieval","predicate":"has source host","object":"anthropic.com","text":"Contextual Retrieval has source host anthropic.com."},{"subject":"Contextual Retrieval","predicate":"has 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This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Contextual Retrieval in AI Systems \\ Anthropic Engineering at Anthropic Introducing Contextual Retrieval Published Sep 19, 2024 For an AI model to be useful in specific.... onlylabs links this event to 1 captured evidence page and 6 related writing signals. 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For an AI model to be useful in specific contexts, it often needs access to background knowledge. For example, customer support chatbots need knowledge about the specific business they're being used for, and legal analyst bots need to know about a vast array of past cases. Developers typically enhance an AI model's knowledge using Retrieval-Augmented Generation (RAG). RAG is a method that retrieves relevant information from a knowledge base and appends it to the user's prompt, significantly enhancing the model's response. The problem is that traditional RAG solutions remove context when encoding information, which often results in the system failing to retrieve the relevant information from the knowledge base. In this post, we outline a method that dramatically improves the retrieval step in RAG. The method is called “Contextual Retrieval” and uses two sub-techniques: Contextual Embeddings and Contextual BM25. This method can reduce the..."},"evidence_pages":[{"url":"https://www.anthropic.com/engineering/contextual-retrieval","final_url":"https://www.anthropic.com/engineering/contextual-retrieval","title":"Contextual Retrieval","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:15:00.697295+00:00","bytes":170682,"raw_path":"33d81116743596d4b1f6f110d9adee086b122ef89e8235798a8b1dde200c002a.html","content_hash":"16d8646ba981f062d1501e5c36672cea3365b8e8501d0c1d65b71fa09ea56566","excerpt_chars":1200,"truncated":true,"excerpt":"Contextual Retrieval in AI Systems \\ Anthropic Engineering at Anthropic Introducing Contextual Retrieval Published Sep 19, 2024 For an AI model to be useful in specific contexts, it often needs access to background knowledge. For an AI model to be useful in specific contexts, it often needs access to background knowledge. For example, customer support chatbots need knowledge about the specific business they're being used for, and legal analyst bots need to know about a vast array of past cases. Developers typically enhance an AI model's knowledge using Retrieval-Augmented Generation (RAG). RAG is a method that retrieves relevant information from a knowledge base and appends it to the user's prompt, significantly enhancing the model's response. The problem is that traditional RAG solutions remove context when encoding information, which often results in the system failing to retrieve the relevant information from the knowledge base. In this post, we outline a method that dramatically improves the retrieval step in RAG. The method is called “Contextual Retrieval” and uses two sub-techniques: Contextual Embeddings and Contextual BM25. This method can reduce the..."}],"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"}]}