{"schema_version":"onlylabs.public_signal.v1","title":"Microsoft Repo: microsoft/v8-jsi","description":"Microsoft repo signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/f673717a-4c52-46e0-b506-e044b47fbe3f","json_url":"https://onlylabs.fyi/signals/f673717a-4c52-46e0-b506-e044b47fbe3f/signal.json","generated_at":"2026-06-11T03:55:25.161512+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/f673717a-4c52-46e0-b506-e044b47fbe3f","signal_json":"https://onlylabs.fyi/signals/f673717a-4c52-46e0-b506-e044b47fbe3f/signal.json","source":"https://github.com/microsoft/v8-jsi","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":null,"topic_signals_json":null,"topic_feed":null,"data_business":null},"answer_pack":{"answer":"Microsoft published microsoft/v8-jsi (C++). This repository signal exposes tooling, eval, infrastructure, or model-adjacent work before it may appear in a launch post. 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expose organization build priorities early, especially around internal tooling, eval infrastructure, data systems, deployment, and agent workflows.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/f673717a-4c52-46e0-b506-e044b47fbe3f/signal.json","required":true},{"label":"source","url":"https://github.com/microsoft/v8-jsi","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":null,"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 repo signal \"microsoft/v8-jsi\" for frontier lab strategy."},"semantic_triples":[{"subject":"Microsoft","predicate":"published repo","object":"microsoft/v8-jsi","text":"Microsoft published repo microsoft/v8-jsi."},{"subject":"microsoft/v8-jsi","predicate":"is classified as","object":"repo signal","text":"microsoft/v8-jsi is classified as repo signal."},{"subject":"microsoft/v8-jsi","predicate":"belongs to","object":"repos desk","text":"microsoft/v8-jsi belongs to repos desk."},{"subject":"microsoft/v8-jsi","predicate":"has context","object":"C++","text":"microsoft/v8-jsi has context C++."},{"subject":"microsoft/v8-jsi","predicate":"has evidence coverage","object":"1 captured evidence page","text":"microsoft/v8-jsi has evidence coverage 1 captured evidence page."},{"subject":"microsoft/v8-jsi","predicate":"has captured page count","object":"1","text":"microsoft/v8-jsi has captured page count 1."},{"subject":"microsoft/v8-jsi","predicate":"has readable page 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This repository signal exposes tooling, eval, infrastructure, or model-adjacent work before it may appear in a launch post. High-signal details: repo microsoft/v8-jsi · language C++. onlylabs links this event to 1 captured evidence page and 6 related repo signals.","semantic_triples":[{"subject":"Microsoft","predicate":"published repo","object":"microsoft/v8-jsi","text":"Microsoft published repo microsoft/v8-jsi."},{"subject":"microsoft/v8-jsi","predicate":"is classified as","object":"repo signal","text":"microsoft/v8-jsi is classified as repo signal."},{"subject":"microsoft/v8-jsi","predicate":"belongs to","object":"repos desk","text":"microsoft/v8-jsi belongs to repos desk."},{"subject":"microsoft/v8-jsi","predicate":"has context","object":"C++","text":"microsoft/v8-jsi has context C++."},{"subject":"microsoft/v8-jsi","predicate":"has evidence coverage","object":"1 captured evidence page","text":"microsoft/v8-jsi has evidence coverage 1 captured evidence page."}]},"signal":{"id":"f673717a-4c52-46e0-b506-e044b47fbe3f","url":"https://onlylabs.fyi/signals/f673717a-4c52-46e0-b506-e044b47fbe3f","json_url":"https://onlylabs.fyi/signals/f673717a-4c52-46e0-b506-e044b47fbe3f/signal.json","source_url":"https://github.com/microsoft/v8-jsi","title":"microsoft/v8-jsi","summary":"Microsoft published a new repository. onlylabs watches repos for tooling, eval, infra, and model-adjacent work.","context":"C++","kind":{"key":"repo_new","label":"Repo"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2020-01-27T21:18:44+00:00","first_seen_at":"2026-06-09T07:00:12.66661+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/v8-jsi"]},"facets":{"repo":"microsoft/v8-jsi","language":"C++"},"traction":{"github_stars":187,"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/v8-jsi","final_url":"https://github.com/microsoft/v8-jsi","title":"microsoft/v8-jsi repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T03:55:25.161512+00:00","bytes":14108,"raw_path":"1ed9da1a1074ad27fbffd75a63f7d6c075be4d997cdb2171f04a01b7a4f7b3b4.json","content_hash":"41825533f61c688d522c19d213e17d6e8ac685ef9c6e55ecbc494896eed2d3f3","excerpt_chars":1200,"truncated":true,"excerpt":"microsoft/v8-jsi Description: React Native V8 JSI adapter Language: C++ License: NOASSERTION Stars: 187 Forks: 42 Open issues: 9 Created: 2020-01-27T21:18:44Z Pushed: 2026-06-10T22:32:05Z Default branch: master Fork: no Archived: no README: React Native V8 JSI adapter A V8 adapter implemention of the JSI interface for the react-native framework. 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[![Build Status](https://dev.azure.com/ms/v8-jsi/_apis/build/status/microsoft.v8-jsi?branchName=master)](https://dev.azure.com/ms/v8-jsi/_build/latest?definitionId=321&branchName=master) Building Windows Initial Windows Build Setup 1. Download and Install **Windows 10 Windows SDK**: <https://developer.microsoft.com/en-us/windows/downloads/sdk-archive> Note: Windows SDK has to be **Windows 10** version, NOT **Windows 11** 1. Download and Install **Microsoft Visual C++ Redistributable x64** **Microsoft Visual C++ Redistributable x86** <https://learn.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist> 1. 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