{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Writing: Open Source Circuit Tracing","description":"Anthropic writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/f8fcbec0-ace4-4d4d-bff5-980adadd45b6","json_url":"https://onlylabs.fyi/signals/f8fcbec0-ace4-4d4d-bff5-980adadd45b6/signal.json","generated_at":"2026-06-11T04:16:48.492954+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/f8fcbec0-ace4-4d4d-bff5-980adadd45b6","signal_json":"https://onlylabs.fyi/signals/f8fcbec0-ace4-4d4d-bff5-980adadd45b6/signal.json","source":"https://www.anthropic.com/research/open-source-circuit-tracing","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 Open Source Circuit Tracing. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Open-sourcing circuit-tracing tools \\ Anthropic Interpretability Open-sourcing circuit tracing tools May 29, 2025 In our recent interpretability research, we introduced.... 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/open-source-circuit-tracing","source_host":"anthropic.com","occurred_at":"2025-05-29T16:14:52+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":"Agents and tool 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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/f8fcbec0-ace4-4d4d-bff5-980adadd45b6/signal.json","required":true},{"label":"source","url":"https://www.anthropic.com/research/open-source-circuit-tracing","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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Tracing","predicate":"has readable page count","object":"1","text":"Open Source Circuit Tracing has readable page count 1."},{"subject":"Open Source Circuit Tracing","predicate":"has related signal count","object":"6","text":"Open Source Circuit Tracing has related signal count 6."},{"subject":"Open Source Circuit Tracing","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":"Open Source Circuit Tracing 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":"Open Source Circuit Tracing","predicate":"has source host","object":"anthropic.com","text":"Open Source Circuit Tracing has source host anthropic.com."},{"subject":"Open Source Circuit Tracing","predicate":"has 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This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Open-sourcing circuit-tracing tools \\ Anthropic Interpretability Open-sourcing circuit tracing tools May 29, 2025 In our recent interpretability research, we introduced.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","semantic_triples":[{"subject":"Anthropic","predicate":"published","object":"Open Source Circuit Tracing","text":"Anthropic published Open Source Circuit Tracing."},{"subject":"Open Source Circuit Tracing","predicate":"is classified as","object":"writing signal","text":"Open Source Circuit Tracing is classified as writing signal."},{"subject":"Open Source Circuit Tracing","predicate":"belongs to","object":"talking desk","text":"Open Source Circuit Tracing belongs to talking desk."},{"subject":"Open Source Circuit Tracing","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Open Source Circuit Tracing has evidence coverage 1 captured evidence page."}]},"signal":{"id":"f8fcbec0-ace4-4d4d-bff5-980adadd45b6","url":"https://onlylabs.fyi/signals/f8fcbec0-ace4-4d4d-bff5-980adadd45b6","json_url":"https://onlylabs.fyi/signals/f8fcbec0-ace4-4d4d-bff5-980adadd45b6/signal.json","source_url":"https://www.anthropic.com/research/open-source-circuit-tracing","title":"Open Source Circuit Tracing","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":"2025-05-29T16:14:52+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/open-source-circuit-tracing"]},"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/open-source-circuit-tracing","final_url":"https://www.anthropic.com/research/open-source-circuit-tracing","title":"Open Source Circuit Tracing","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:16:48.492954+00:00","bytes":121015,"raw_path":"30e81c440338e7584baddfe3a016990d1fe7395edbaf5703a3b77b7914918227.html","content_hash":"67505d8a1bb034317e81f3ed8c8ade60c28fa70e81d3aeb085fd4fd043ec0823","excerpt_chars":1200,"truncated":true,"excerpt":"Open-sourcing circuit-tracing tools \\ Anthropic Interpretability Open-sourcing circuit tracing tools May 29, 2025 In our recent interpretability research, we introduced a new method to trace the thoughts of a large language model. Today, we’re open-sourcing the method so that anyone can build on our research. Our approach is to generate attribution graphs , which (partially) reveal the steps a model took internally to decide on a particular output. The open-source library we’re releasing supports the generation of attribution graphs on popular open-weights models—and a frontend hosted by Neuronpedia lets you explore the graphs interactively. This project was led by participants in our Anthropic Fellows program, in collaboration with Decode Research . An overview of the interactive graph explorer UI on Neuronpedia. To get started, you can visit the Neuronpedia interface to generate and view your own attribution graphs for prompts of your choosing. For more sophisticated usage and research, you can view the code repository . This release enables researchers to: Trace circuits on supported models, by generating their own attribution graphs; Visualize, annotate, and share graphs in an..."},"evidence_pages":[{"url":"https://www.anthropic.com/research/open-source-circuit-tracing","final_url":"https://www.anthropic.com/research/open-source-circuit-tracing","title":"Open Source Circuit Tracing","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:16:48.492954+00:00","bytes":121015,"raw_path":"30e81c440338e7584baddfe3a016990d1fe7395edbaf5703a3b77b7914918227.html","content_hash":"67505d8a1bb034317e81f3ed8c8ade60c28fa70e81d3aeb085fd4fd043ec0823","excerpt_chars":1200,"truncated":true,"excerpt":"Open-sourcing circuit-tracing tools \\ Anthropic Interpretability Open-sourcing circuit tracing tools May 29, 2025 In our recent interpretability research, we introduced a new method to trace the thoughts of a large language model. Today, we’re open-sourcing the method so that anyone can build on our research. Our approach is to generate attribution graphs , which (partially) reveal the steps a model took internally to decide on a particular output. The open-source library we’re releasing supports the generation of attribution graphs on popular open-weights models—and a frontend hosted by Neuronpedia lets you explore the graphs interactively. This project was led by participants in our Anthropic Fellows program, in collaboration with Decode Research . An overview of the interactive graph explorer UI on Neuronpedia. To get started, you can visit the Neuronpedia interface to generate and view your own attribution graphs for prompts of your choosing. For more sophisticated usage and research, you can view the code repository . 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