{"schema_version":"onlylabs.public_signal.v1","title":"Microsoft Fork: microsoft/azure-container-linux-mantle","description":"Microsoft fork signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc","json_url":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc/signal.json","generated_at":"2026-06-11T02:42:49.623995+00:00","org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/microsoft","dossier_json_url":"https://onlylabs.fyi/labs/microsoft/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc","signal_json":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc/signal.json","source":"https://github.com/microsoft/azure-container-linux-mantle","lab_dossier":"https://onlylabs.fyi/labs/microsoft","lab_dossier_json":"https://onlylabs.fyi/labs/microsoft/dossier.json","analysis":"https://onlylabs.fyi/analysis/microsoft","analysis_json":"https://onlylabs.fyi/analysis/microsoft/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/microsoft/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/forks","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml","data_business":null},"answer_pack":{"answer":"Microsoft forked microsoft/azure-container-linux-mantle (forked from flatcar/mantle). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo microsoft/azure-container-linux-mantle · parent flatcar/mantle · Routine fork with minimal traction. onlylabs links this event to 1 captured evidence page and 5 related fork signals.","signal_desk":"forks","source_context":{"source_url":"https://github.com/microsoft/azure-container-linux-mantle","source_host":"github.com","occurred_at":"2026-05-21T19:25:28+00:00","first_seen_at":"2026-06-05T20:58:41.438741+00:00","date_source":"source","context":"forked from flatcar/mantle"},"context_markers":[{"label":"Lab","value":"Microsoft","source":"signal"},{"label":"Signal desk","value":"forks","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"microsoft/azure-container-linux-mantle","source":"source"},{"label":"Parent","value":"flatcar/mantle","source":"source"},{"label":"Stars","value":"3","source":"traction"},{"label":"Notability","value":"Routine fork with minimal traction","source":"signal"},{"label":"Watch term","value":"Infrastructure","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/microsoft/azure-container-linux-mantle"],"related_signals":5,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T02:42:49.623995+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc/signal.json","dossier_json":"https://onlylabs.fyi/labs/microsoft/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/microsoft/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/microsoft/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","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 5 related fork signals show a repeated pattern?"],"output_fields":["org","upstream_repo","language","technical_theme","data_business_lane","evidence_url"],"data_business_relevance":"Forks expose what frontier-lab engineers are building on before polished announcements, making them useful for partnership and product wedge discovery.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc/signal.json","required":true},{"label":"source","url":"https://github.com/microsoft/azure-container-linux-mantle","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/microsoft/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/microsoft/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/forks/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 Microsoft's fork signal \"microsoft/azure-container-linux-mantle\" for frontier lab strategy."},"semantic_triples":[{"subject":"Microsoft","predicate":"forked","object":"microsoft/azure-container-linux-mantle","text":"Microsoft forked microsoft/azure-container-linux-mantle."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"is classified as","object":"fork signal","text":"microsoft/azure-container-linux-mantle is classified as fork signal."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"belongs to","object":"forks desk","text":"microsoft/azure-container-linux-mantle belongs to forks desk."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has context","object":"forked from flatcar/mantle","text":"microsoft/azure-container-linux-mantle has context forked from flatcar/mantle."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has evidence coverage","object":"1 captured evidence page","text":"microsoft/azure-container-linux-mantle has evidence coverage 1 captured evidence page."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has captured page count","object":"1","text":"microsoft/azure-container-linux-mantle has captured page count 1."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has readable page count","object":"1","text":"microsoft/azure-container-linux-mantle has readable page count 1."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has related signal count","object":"5","text":"microsoft/azure-container-linux-mantle has related signal count 5."},{"subject":"microsoft/azure-container-linux-mantle","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":"microsoft/azure-container-linux-mantle 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":"microsoft/azure-container-linux-mantle","predicate":"has source host","object":"github.com","text":"microsoft/azure-container-linux-mantle has source host github.com."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has lab","object":"Microsoft","text":"microsoft/azure-container-linux-mantle has lab Microsoft."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has signal desk","object":"forks","text":"microsoft/azure-container-linux-mantle has signal desk forks."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has source host","object":"github.com","text":"microsoft/azure-container-linux-mantle has source host github.com."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has repository","object":"microsoft/azure-container-linux-mantle","text":"microsoft/azure-container-linux-mantle has repository microsoft/azure-container-linux-mantle."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has parent","object":"flatcar/mantle","text":"microsoft/azure-container-linux-mantle has parent flatcar/mantle."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has stars","object":"3","text":"microsoft/azure-container-linux-mantle has stars 3."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has notability","object":"Routine fork with minimal traction","text":"microsoft/azure-container-linux-mantle has notability Routine fork with minimal traction."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has watch term","object":"Infrastructure","text":"microsoft/azure-container-linux-mantle has watch term Infrastructure."}]},"intelligence":{"signal_desk":"forks","answer":"Microsoft forked microsoft/azure-container-linux-mantle (forked from flatcar/mantle). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo microsoft/azure-container-linux-mantle · parent flatcar/mantle · Routine fork with minimal traction. onlylabs links this event to 1 captured evidence page and 5 related fork signals.","semantic_triples":[{"subject":"Microsoft","predicate":"forked","object":"microsoft/azure-container-linux-mantle","text":"Microsoft forked microsoft/azure-container-linux-mantle."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"is classified as","object":"fork signal","text":"microsoft/azure-container-linux-mantle is classified as fork signal."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"belongs to","object":"forks desk","text":"microsoft/azure-container-linux-mantle belongs to forks desk."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has context","object":"forked from flatcar/mantle","text":"microsoft/azure-container-linux-mantle has context forked from flatcar/mantle."},{"subject":"microsoft/azure-container-linux-mantle","predicate":"has evidence coverage","object":"1 captured evidence page","text":"microsoft/azure-container-linux-mantle has evidence coverage 1 captured evidence page."}]},"signal":{"id":"6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc","url":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc","json_url":"https://onlylabs.fyi/signals/6f37af4f-3dba-4bdb-b6f6-a11b52af1ddc/signal.json","source_url":"https://github.com/microsoft/azure-container-linux-mantle","title":"microsoft/azure-container-linux-mantle","summary":"Microsoft forked upstream code. onlylabs watches forks for tooling, infrastructure, research dependencies, and product-adjacent work.","context":"forked from flatcar/mantle","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2026-05-21T19:25:28+00:00","first_seen_at":"2026-06-05T20:58:41.438741+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/microsoft/azure-container-linux-mantle"]},"facets":{"repo":"microsoft/azure-container-linux-mantle","parent":"flatcar/mantle"},"traction":{"github_stars":3,"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/microsoft/azure-container-linux-mantle","final_url":"https://github.com/microsoft/azure-container-linux-mantle","title":"microsoft/azure-container-linux-mantle repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:42:49.623995+00:00","bytes":32576,"raw_path":"9292d981aa9d0317477e105299249c51906ab44e0814d2efb9a74b257248109f.json","content_hash":"2c788fc0a732f2d2da30795fd90617995ebf4eac7a2de5ac59143a9622920d4a","excerpt_chars":1200,"truncated":true,"excerpt":"microsoft/azure-container-linux-mantle Description: Mantle: ACL Test and Release Tooling Language: Go License: MIT Stars: 5 Forks: 2 Open issues: 3 Created: 2026-05-21T19:25:28Z Pushed: 2026-06-10T21:00:09Z Default branch: aclmain Fork: yes Parent repository: flatcar/mantle Archived: no README: <h1> <img src=\"https://raw.githubusercontent.com/microsoft/azurelinux/refs/tags/3.0.20260517-3.0/assets/azurelinux-logo-48.png\" alt=\"Azure Container Linux logo\" align=\"left\" height=\"44\" /> &nbsp; Mantle: ACL Test and Release Tooling </h1> Mantle is the test and release tooling for [Azure Container Linux (ACL)](https://aka.ms/azurecontainerlinux). It is a fork of the [Flatcar Container Linux Mantle project](https://github.com/flatcar/mantle), extended with ACL-specific test cases, platform support, and CI integration. Overview Mantle is composed of many utilities: - `cork` for handling the Container Linux SDK - `gangue` for downloading from Google Storage - `kola` for launching instances and running tests - `kolet` an agent for kola that runs on instances - `ore` for interfacing with cloud providers - `plume` for releasing Container Linux All of the utilities support the `help` command to..."},"evidence_pages":[{"url":"https://github.com/microsoft/azure-container-linux-mantle","final_url":"https://github.com/microsoft/azure-container-linux-mantle","title":"microsoft/azure-container-linux-mantle repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:42:49.623995+00:00","bytes":32576,"raw_path":"9292d981aa9d0317477e105299249c51906ab44e0814d2efb9a74b257248109f.json","content_hash":"2c788fc0a732f2d2da30795fd90617995ebf4eac7a2de5ac59143a9622920d4a","excerpt_chars":1200,"truncated":true,"excerpt":"microsoft/azure-container-linux-mantle Description: Mantle: ACL Test and Release Tooling Language: Go License: MIT Stars: 5 Forks: 2 Open issues: 3 Created: 2026-05-21T19:25:28Z Pushed: 2026-06-10T21:00:09Z Default branch: aclmain Fork: yes Parent repository: flatcar/mantle Archived: no README: <h1> <img src=\"https://raw.githubusercontent.com/microsoft/azurelinux/refs/tags/3.0.20260517-3.0/assets/azurelinux-logo-48.png\" alt=\"Azure Container Linux logo\" align=\"left\" height=\"44\" /> &nbsp; Mantle: ACL Test and Release Tooling </h1> Mantle is the test and release tooling for [Azure Container Linux (ACL)](https://aka.ms/azurecontainerlinux). It is a fork of the [Flatcar Container Linux Mantle project](https://github.com/flatcar/mantle), extended with ACL-specific test cases, platform support, and CI integration. Overview Mantle is composed of many utilities: - `cork` for handling the Container Linux SDK - `gangue` for downloading from Google Storage - `kola` for launching instances and running tests - `kolet` an agent for kola that runs on instances - `ore` for interfacing with cloud providers - `plume` for releasing Container Linux All of the utilities support the `help` command to..."}],"related_signals":[{"id":"f7ebe0e3-fcb0-4026-bacf-fdfa2a2729a7","url":"https://onlylabs.fyi/signals/f7ebe0e3-fcb0-4026-bacf-fdfa2a2729a7","source_url":"https://github.com/microsoft/azure-container-linux","title":"microsoft/azure-container-linux","context":"forked from flatcar/scripts","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2026-05-21T19:24:28+00:00","first_seen_at":"2026-06-05T20:58:41.438741+00:00","date_source":"source"},{"id":"7574525c-6905-4517-a701-13f8494b14c7","url":"https://onlylabs.fyi/signals/7574525c-6905-4517-a701-13f8494b14c7","source_url":"https://github.com/microsoft/uutils-coreutils","title":"microsoft/uutils-coreutils","context":"forked from uutils/coreutils","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2026-05-11T16:15:48+00:00","first_seen_at":"2026-06-05T20:58:41.438741+00:00","date_source":"source"},{"id":"81fd2765-9bbf-410e-b544-4ccb368c8624","url":"https://onlylabs.fyi/signals/81fd2765-9bbf-410e-b544-4ccb368c8624","source_url":"https://github.com/microsoft/openjdk-jdk17u","title":"microsoft/openjdk-jdk17u","context":"forked from openjdk/jdk17u","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2022-08-31T21:35:59+00:00","first_seen_at":"2026-06-10T09:18:48.105175+00:00","date_source":"source"},{"id":"71c76128-c2c7-4712-a243-ec012562d91c","url":"https://onlylabs.fyi/signals/71c76128-c2c7-4712-a243-ec012562d91c","source_url":"https://github.com/microsoft/openjdk-jdk","title":"microsoft/openjdk-jdk","context":"forked from openjdk/jdk","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2020-09-14T19:14:16+00:00","first_seen_at":"2026-06-06T07:00:06.411378+00:00","date_source":"source"},{"id":"540f3c1d-3eda-46ff-ba12-b74e26026cee","url":"https://onlylabs.fyi/signals/540f3c1d-3eda-46ff-ba12-b74e26026cee","source_url":"https://github.com/microsoft/vscode-python","title":"microsoft/vscode-python","context":"forked from DonJayamanne/pythonVSCode","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2017-10-10T19:37:29+00:00","first_seen_at":"2026-06-08T07:01:04.198092+00:00","date_source":"source"}]}