{"data":{"slug":"datastax-jvector","name":"jvector","tagline":"JVector: the most advanced embedded vector search engine","github_url":"https://github.com/datastax/jvector","owner":"datastax","repo":"jvector","owner_avatar_url":"https://avatars.githubusercontent.com/u/573369?v=4","primary_language":"Java","stars":1741,"forks":156,"topics":["ann","java","knn","machine-learning","search-engine","similarity-search","vector-search"],"archived":false,"github_pushed_at":"2026-08-21T07:33:26+00:00","maintenance_label":"Very active","stars_delta_30d":5,"url":"https://www.graphcanon.com/tools/datastax-jvector","markdown_url":"https://www.graphcanon.com/tools/datastax-jvector.md","api_url":"https://www.graphcanon.com/api/graphcanon/tools/datastax-jvector","graph_url":"https://www.graphcanon.com/api/graphcanon/graph?tool=datastax-jvector","description":"JVector: the most advanced embedded vector search engine","homepage_url":null,"license":"Apache-2.0","open_issues":45,"watchers":34,"ai_summary":"Java-based embedded vector search tool for efficient similarity and KNN searches.","readme_excerpt":"## Getting started with JVector\n\nIntroductory tutorials for JVector are available in [docs/tutorials](./docs/tutorials/). Start with the [basic tutorial](./docs/tutorials/1-intro-tutorial.md) or review [VectorIntro.java](./jvector-examples/src/main/java/io/github/jbellis/jvector/example/tutorial/VectorIntro.java) for a simple example using JVector.\n\nThe older step-by-step guide for JV can be found [here](./docs/legacy/jvector-step-by-step.md). New users should start with the tutorials mentioned earler, but the step-by-step guide contains useful commentary for advanced users.","github_created_at":"2023-08-25T01:45:20+00:00","created_at":"2026-07-11T11:33:57.543531+00:00","updated_at":"2026-08-23T06:01:47.533981+00:00","categories":[{"slug":"data-retrieval","name":"Data & Retrieval","url":"https://www.graphcanon.com/categories/data-retrieval","markdown_url":"https://www.graphcanon.com/categories/data-retrieval.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/data-retrieval"},{"slug":"vector-databases","name":"Vector Databases","url":"https://www.graphcanon.com/categories/vector-databases","markdown_url":"https://www.graphcanon.com/categories/vector-databases.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/vector-databases"}],"tags":[{"slug":"ann","name":"ann"},{"slug":"java","name":"java"},{"slug":"knn","name":"knn"},{"slug":"machine-learning","name":"machine-learning"},{"slug":"search-engine","name":"search-engine"},{"slug":"similarity-search","name":"similarity-search"},{"slug":"vector-search","name":"vector-search"}],"trust":{"provenance":{"is_fork":false,"github_id":682834027,"owner_type":"Organization","methodology":"github_public_v1","parent_repo":null,"near_duplicate_slugs":[]},"computed_at":"2026-08-23T06:01:46.748Z","maintenance":{"label":"Very active","score":96,"methodology":"github_public_v1","releases_90d":3,"days_since_push":1,"last_release_at":"2026-07-21T15:08:03Z","stars_delta_30d":5,"open_issues_delta_30d":1},"security_summary":{"status":"no_lockfile","scanner":null,"low_count":0,"high_count":0,"last_scan_at":"2026-07-11T11:33:58.895Z","medium_count":0,"scan_profile":"none","critical_count":0}},"capability_facts":{"mcp":{"source":"repo_scan","observed_at":"2026-08-23T06:01:47.219Z","server_manifest":false},"scan":{"source":"repo_scan","observed_at":"2026-08-23T06:01:47.219Z"},"languages":{"value":["java","javascript"],"source":"github.language+package.json","observed_at":"2026-08-23T06:01:47.219Z"},"license_spdx":{"value":"Apache-2.0","source":"github.license","observed_at":"2026-08-23T06:01:47.219Z"}},"decision_facts":{"hosting":null,"pricing":null,"requirements":null,"constraints":null,"when_to_use":["Requires Java runtime environment for seamless integration into existing applications","Demands high precision in vector similarity and nearest-neighbor queries"],"when_not_to_use":["Seeking a standalone database system that requires minimal developer control over search logic","In need of real-time data streaming capabilities or large-scale distributed searches beyond embedded use"],"source":"enrich:decision_facts","observed_at":"2026-07-15T09:24:32.914Z"},"constraint_facets":null,"decision_summary":[{"label":"Adopt for","value":"Java-based embedded vector search engine focused on efficient similarity and K-nearest neighbor (KNN) searches."}]}}