{"schema_version":"onlylabs.public_signal.v1","title":"CoreWeave Fork: coreweave/substrate","description":"CoreWeave fork signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8","json_url":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8/signal.json","generated_at":"2026-06-11T02:42:50.571147+00:00","org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud","category_label":"Neocloud","dossier_url":"https://onlylabs.fyi/labs/coreweave","dossier_json_url":"https://onlylabs.fyi/labs/coreweave/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8","signal_json":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8/signal.json","source":"https://github.com/coreweave/substrate","lab_dossier":"https://onlylabs.fyi/labs/coreweave","lab_dossier_json":"https://onlylabs.fyi/labs/coreweave/dossier.json","analysis":"https://onlylabs.fyi/analysis/coreweave","analysis_json":"https://onlylabs.fyi/analysis/coreweave/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/coreweave/evidence.json","category":"https://onlylabs.fyi/neoclouds","category_json":"https://onlylabs.fyi/neoclouds.json","category_feed":"https://onlylabs.fyi/neoclouds/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","topic":"https://onlylabs.fyi/topics/forks","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json?category=neocloud","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml?category=neocloud","data_business":null},"answer_pack":{"answer":"CoreWeave forked coreweave/substrate (forked from agent-substrate/substrate). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo coreweave/substrate · parent agent-substrate/substrate · Routine internal fork, no traction. onlylabs links this event to 1 captured evidence page and 6 related fork signals.","signal_desk":"forks","source_context":{"source_url":"https://github.com/coreweave/substrate","source_host":"github.com","occurred_at":"2026-05-20T19:15:43+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source","context":"forked from agent-substrate/substrate"},"context_markers":[{"label":"Lab","value":"CoreWeave","source":"signal"},{"label":"Signal desk","value":"forks","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"coreweave/substrate","source":"source"},{"label":"Parent","value":"agent-substrate/substrate","source":"source"},{"label":"Notability","value":"Routine internal fork, no traction","source":"signal"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","source":"evidence"},{"label":"Watch term","value":"Agents and tool use","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://github.com/coreweave/substrate"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T02:42:50.571147+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8/signal.json","dossier_json":"https://onlylabs.fyi/labs/coreweave/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/coreweave/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/coreweave/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json?category=neocloud","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml?category=neocloud","category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.","evidence_focus":["forked parent repo","repo owner","language","description","stars","org and recency"],"extraction_questions":["Which upstream projects are repeated across labs?","Which forks point to evals, agents, infrastructure, model tooling, or data pipelines?","Which low-profile forks could precede a release or hiring wave?","Which labs are converging on the same technical adjacency?"],"signal_questions":["What upstream dependency or technical adjacency does this fork reveal?","Which upstream projects are repeated across labs?","Which forks point to evals, agents, infrastructure, model tooling, or data pipelines?","Do the 6 related fork signals show a repeated pattern?"],"output_fields":["org","upstream_repo","language","technical_theme","evidence_url"],"data_business_relevance":"Data-business lane extraction is scoped to frontier labs; for this category, keep conclusions tied to category-specific strategy, source evidence, and follow-up questions.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8/signal.json","required":true},{"label":"source","url":"https://github.com/coreweave/substrate","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/coreweave/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/coreweave/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/forks/signals.json?category=neocloud","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 CoreWeave's fork signal \"coreweave/substrate\" for neocloud strategy."},"semantic_triples":[{"subject":"CoreWeave","predicate":"forked","object":"coreweave/substrate","text":"CoreWeave forked coreweave/substrate."},{"subject":"coreweave/substrate","predicate":"is classified as","object":"fork signal","text":"coreweave/substrate is classified as fork signal."},{"subject":"coreweave/substrate","predicate":"belongs to","object":"forks desk","text":"coreweave/substrate belongs to forks desk."},{"subject":"coreweave/substrate","predicate":"has context","object":"forked from agent-substrate/substrate","text":"coreweave/substrate has context forked from agent-substrate/substrate."},{"subject":"coreweave/substrate","predicate":"has evidence coverage","object":"1 captured evidence page","text":"coreweave/substrate has evidence coverage 1 captured evidence page."},{"subject":"coreweave/substrate","predicate":"has captured page count","object":"1","text":"coreweave/substrate has captured page count 1."},{"subject":"coreweave/substrate","predicate":"has readable page count","object":"1","text":"coreweave/substrate has readable page count 1."},{"subject":"coreweave/substrate","predicate":"has related signal count","object":"6","text":"coreweave/substrate has related signal count 6."},{"subject":"coreweave/substrate","predicate":"has analysis playbook objective","object":"Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.","text":"coreweave/substrate has analysis playbook objective Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.."},{"subject":"coreweave/substrate","predicate":"has source host","object":"github.com","text":"coreweave/substrate has source host github.com."},{"subject":"coreweave/substrate","predicate":"has lab","object":"CoreWeave","text":"coreweave/substrate has lab CoreWeave."},{"subject":"coreweave/substrate","predicate":"has signal desk","object":"forks","text":"coreweave/substrate has signal desk forks."},{"subject":"coreweave/substrate","predicate":"has source host","object":"github.com","text":"coreweave/substrate has source host github.com."},{"subject":"coreweave/substrate","predicate":"has repository","object":"coreweave/substrate","text":"coreweave/substrate has repository coreweave/substrate."},{"subject":"coreweave/substrate","predicate":"has parent","object":"agent-substrate/substrate","text":"coreweave/substrate has parent agent-substrate/substrate."},{"subject":"coreweave/substrate","predicate":"has notability","object":"Routine internal fork, no traction","text":"coreweave/substrate has notability Routine internal fork, no traction."},{"subject":"coreweave/substrate","predicate":"has watch term","object":"Infrastructure","text":"coreweave/substrate has watch term Infrastructure."},{"subject":"coreweave/substrate","predicate":"has watch term","object":"Safety and alignment","text":"coreweave/substrate has watch term Safety and alignment."}]},"intelligence":{"signal_desk":"forks","answer":"CoreWeave forked coreweave/substrate (forked from agent-substrate/substrate). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo coreweave/substrate · parent agent-substrate/substrate · Routine internal fork, no traction. onlylabs links this event to 1 captured evidence page and 6 related fork signals.","semantic_triples":[{"subject":"CoreWeave","predicate":"forked","object":"coreweave/substrate","text":"CoreWeave forked coreweave/substrate."},{"subject":"coreweave/substrate","predicate":"is classified as","object":"fork signal","text":"coreweave/substrate is classified as fork signal."},{"subject":"coreweave/substrate","predicate":"belongs to","object":"forks desk","text":"coreweave/substrate belongs to forks desk."},{"subject":"coreweave/substrate","predicate":"has context","object":"forked from agent-substrate/substrate","text":"coreweave/substrate has context forked from agent-substrate/substrate."},{"subject":"coreweave/substrate","predicate":"has evidence coverage","object":"1 captured evidence page","text":"coreweave/substrate has evidence coverage 1 captured evidence page."}]},"signal":{"id":"39aabbb2-48c6-4ee7-a396-df02c8e81be8","url":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8","json_url":"https://onlylabs.fyi/signals/39aabbb2-48c6-4ee7-a396-df02c8e81be8/signal.json","source_url":"https://github.com/coreweave/substrate","title":"coreweave/substrate","summary":"CoreWeave forked upstream code. onlylabs watches forks for tooling, infrastructure, research dependencies, and product-adjacent work.","context":"forked from agent-substrate/substrate","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2026-05-20T19:15:43+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source","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://github.com/coreweave/substrate"]},"facets":{"repo":"coreweave/substrate","parent":"agent-substrate/substrate"},"traction":{"github_stars":0,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"url":"https://github.com/coreweave/substrate","final_url":"https://github.com/coreweave/substrate","title":"coreweave/substrate repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:42:50.571147+00:00","bytes":30101,"raw_path":"862331a560fe89d8f90320bf10fefcca62b029fdad90d0611a3121e8042a7176.json","content_hash":"95d850a33893ad2a34abad675a73a48b3c466a6e2f32581b86b0b7ea10165288","excerpt_chars":1200,"truncated":true,"excerpt":"coreweave/substrate Description: Agent Substrate: the core system License: NOASSERTION Stars: 0 Forks: 0 Open issues: 2 Created: 2026-05-20T19:15:43Z Pushed: 2026-05-21T16:17:51Z Default branch: main Fork: yes Parent repository: agent-substrate/substrate Archived: no README: Agent Substrate [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) NOTE: This is not an officially supported Google product. This project is not eligible for the [Google Open Source Software Vulnerability Rewards Program](https://bughunters.google.com/open-source-security). What is Agent Substrate? Agent substrate is a system built on top of Kubernetes which manages agent-like workloads to achieve higher scale and efficiency than Kubernetes alone can offer, with lower latency. It builds on top of Kubernetes features like Pods and Pod autoscaling, but takes the Kubernetes control-plane out of the critical path to achieve lower latency. It can run on any Kubernetes cluster and does not inhibit “regular” use of Kubernetes in any way. Kubernetes provides the infrastructure provisioning and management for all types of workloads, while Agent Substrate..."},"evidence_pages":[{"url":"https://github.com/coreweave/substrate","final_url":"https://github.com/coreweave/substrate","title":"coreweave/substrate repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:42:50.571147+00:00","bytes":30101,"raw_path":"862331a560fe89d8f90320bf10fefcca62b029fdad90d0611a3121e8042a7176.json","content_hash":"95d850a33893ad2a34abad675a73a48b3c466a6e2f32581b86b0b7ea10165288","excerpt_chars":1200,"truncated":true,"excerpt":"coreweave/substrate Description: Agent Substrate: the core system License: NOASSERTION Stars: 0 Forks: 0 Open issues: 2 Created: 2026-05-20T19:15:43Z Pushed: 2026-05-21T16:17:51Z Default branch: main Fork: yes Parent repository: agent-substrate/substrate Archived: no README: Agent Substrate [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) NOTE: This is not an officially supported Google product. This project is not eligible for the [Google Open Source Software Vulnerability Rewards Program](https://bughunters.google.com/open-source-security). What is Agent Substrate? Agent substrate is a system built on top of Kubernetes which manages agent-like workloads to achieve higher scale and efficiency than Kubernetes alone can offer, with lower latency. It builds on top of Kubernetes features like Pods and Pod autoscaling, but takes the Kubernetes control-plane out of the critical path to achieve lower latency. It can run on any Kubernetes cluster and does not inhibit “regular” use of Kubernetes in any way. Kubernetes provides the infrastructure provisioning and management for all types of workloads, while Agent Substrate..."}],"related_signals":[{"id":"47f2776b-223d-441b-aecc-ec2e834a308d","url":"https://onlylabs.fyi/signals/47f2776b-223d-441b-aecc-ec2e834a308d","source_url":"https://github.com/coreweave/imds-credential-server","title":"coreweave/imds-credential-server","context":"forked from benkehoe/imds-credential-server","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-11-18T17:45:39+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"ade612b7-9d71-4704-99c8-deb19bfd75e0","url":"https://onlylabs.fyi/signals/ade612b7-9d71-4704-99c8-deb19bfd75e0","source_url":"https://github.com/coreweave/k8s-kata-manager","title":"coreweave/k8s-kata-manager","context":"forked from NVIDIA/k8s-kata-manager","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-11-13T19:06:09+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"c857650e-0543-427d-8f87-f179296b8ca0","url":"https://onlylabs.fyi/signals/c857650e-0543-427d-8f87-f179296b8ca0","source_url":"https://github.com/coreweave/s5cmd","title":"coreweave/s5cmd","context":"forked from peak/s5cmd","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-11-04T17:18:09+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"cb81de4c-6088-4b36-a473-5796f8a5c7f1","url":"https://onlylabs.fyi/signals/cb81de4c-6088-4b36-a473-5796f8a5c7f1","source_url":"https://github.com/coreweave/nccl-tests-json","title":"coreweave/nccl-tests-json","context":"forked from NVIDIA/nccl-tests","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-11-01T03:27:05+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"26b8a603-459b-4d4c-85b9-79ab50a2fae3","url":"https://onlylabs.fyi/signals/26b8a603-459b-4d4c-85b9-79ab50a2fae3","source_url":"https://github.com/coreweave/ai-conformance","title":"coreweave/ai-conformance","context":"forked from cncf/k8s-ai-conformance","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-10-13T19:24:54+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"},{"id":"109b5034-660c-4869-b6cf-f502a5618eab","url":"https://onlylabs.fyi/signals/109b5034-660c-4869-b6cf-f502a5618eab","source_url":"https://github.com/coreweave/autoscaler","title":"coreweave/autoscaler","context":"forked from kubernetes/autoscaler","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"coreweave","name":"CoreWeave","category":"neocloud"},"occurred_at":"2025-07-18T13:50:00+00:00","first_seen_at":"2026-06-05T05:43:02.359092+00:00","date_source":"source"}]}