{"adoption": {"forks": 42, "observed_at": "2026-08-28T04:04:20.552655+00:00", "stars": 1315}, "canonical_url": "https://ross.abutalabs.com/products/jb", "card": {"archived": false, "artifact_type": "library", "description": "A simple and fast JSON API template engine for Ruby on Rails", "domain": ["web-development", "backend", "apis"], "enriched": true, "function": ["templating", "serialization", "web-framework"], "health_score": 58, "homepage": null, "language": "Ruby", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["amatsuda/jb"], "name": "amatsuda/jb", "platform": ["ruby"], "pushed_at": "2026-01-20T17:19:01+00:00", "repo": "amatsuda/jb", "stars": 1315, "tags": ["rails", "-templates", "jbuilder-alternative", "view-layer", "web-server"], "topics": ["rails", "json", "template-engine", "jbuilder"], "urls": [], "use_cases": ["render JSON API responses in Rails views", "replace Jbuilder with a faster template engine", "build JSON payloads using plain Ruby hashes", "render JSON collections with working partials", "dynamically construct JSON attribute names", "generate top-level JSON arrays for index actions"], "what_it_is": "Jb is a JSON API template engine for Ruby on Rails that serves as a simpler and faster alternative to Jbuilder. Templates are plain Ruby code returning Hash or Array objects that get serialized to JSON, with no custom DSL to learn.", "when_to_avoid": ["you're not using Ruby on Rails", "you need a framework-agnostic JSON serializer", "your team already standardizes on Jbuilder or serializers like active_model_serializers"], "when_to_choose": ["you're on Rails and find Jbuilder's DSL awkward or slow", "you want JSON templates that are just Ruby code", "you need render_partial with :collection to actually render collections", "you prefer modern Ruby hash syntax that mirrors JSON"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/jb", "repo": "amatsuda/jb", "role": "main", "score": 61}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:20.552655+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:48:40.596019+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "50578c8809e4f25d25ce82811943b20ca617c73b784425f16a726a11e1a97cc1", "fetched_at": "2026-08-28T04:04:20.552655+00:00", "kind": "readme", "missing": false, "url": "https://github.com/amatsuda/jb"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 63, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3715, "days_push": 225, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 61, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}