{"adoption": {"forks": 519, "observed_at": "2026-08-28T04:10:42.012701+00:00", "stars": 10450}, "canonical_url": "https://ross.abutalabs.com/products/lucia", "card": {"archived": false, "artifact_type": "library", "description": "Authentication, simple and clean", "domain": ["web-development", "backend", "security", "developer-tools"], "enriched": true, "function": ["auth", "authorization"], "health_score": 78, "homepage": "https://lucia-auth.com", "language": "TypeScript", "license": "MIT", "license_family": "permissive", "maturity": "abandoned", "member_repos": ["lucia-auth/lucia"], "name": "lucia-auth/lucia", "platform": ["cross-platform"], "pushed_at": "2026-08-08T13:42:42+00:00", "repo": "lucia-auth/lucia", "stars": 10450, "tags": ["session-management", "oauth", "deprecated", "learning-resource", "nodejs", "typescript"], "topics": ["oauth", "typescript", "auth"], "urls": [], "use_cases": ["add user authentication to a web app", "implement session-based login in TypeScript", "handle OAuth sign-in flows", "manage user sessions with cookies", "learn how authentication works under the hood"], "what_it_is": "Lucia is a TypeScript authentication library for managing user sessions and OAuth in web applications. It was deprecated in March 2025 and now exists as a single-file reference implementation plus the Auth Book learning resource.", "when_to_avoid": ["you need a maintained library with ongoing security updates", "you want batteries-included auth with providers and UI out of the box", "you are starting a new production project in 2025 or later"], "when_to_choose": ["you want a minimal, understandable reference implementation of session auth", "you are learning authentication concepts via the Auth Book", "you want to copy a single-file auth solution into your project"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/lucia", "repo": "lucia-auth/lucia", "role": "main", "score": 75}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.012701+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:19:01.476922+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "b8cfcc73561a512c290c542db9ceb4285c66db7907e87b4baf810de0edf0e186", "fetched_at": "2026-08-28T04:10:42.012701+00:00", "kind": "readme", "missing": false, "url": "https://github.com/lucia-auth/lucia"}, {"content_hash": "075083dd5330f09a3ce2960f9ef41e194c64e1ed5f3367cdb5ef10e1a79b40b4", "fetched_at": "2026-08-29T08:18:21.425053+00:00", "kind": "homepage", "missing": false, "url": "https://lucia-auth.com"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 96, "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": 1507, "days_push": 25, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 75, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}