{"adoption": {"forks": 262, "observed_at": "2026-08-28T04:06:33.425727+00:00", "stars": 2276}, "canonical_url": "https://ross.abutalabs.com/products/specification", "card": {"archived": false, "artifact_type": "library", "description": "Base class with tests for adding specifications to a DDD model", "domain": ["backend", "web-development", "developer-tools"], "enriched": true, "function": ["orm", "database", "middleware"], "health_score": 66, "homepage": null, "language": "C#", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["ardalis/Specification"], "name": "ardalis/Specification", "platform": ["dotnet", "cross-platform"], "pushed_at": "2025-11-25T20:48:35+00:00", "repo": "ardalis/Specification", "stars": 2276, "tags": ["specification-pattern", "domain-driven-design", "repository-pattern", "ef-core", "ddd", "query-builder"], "topics": ["ddd", "design-patterns", "domain-driven-design", "dotnet", "repository-pattern", "specification-pattern", "hacktoberfest"], "urls": [], "use_cases": ["encapsulate EF Core query logic in reusable specification classes", "reduce boilerplate repository methods in a DDD application", "build composable filters, includes, and paging for queries", "implement the repository pattern with a single generic ListAsync method", "clean up scattered Where and Include expressions in ASP.NET Core apps"], "what_it_is": "A .NET library implementing the Specification pattern for building reusable, composable query specifications, commonly used with EF Core and the repository pattern in domain-driven design. It centralizes query logic like filtering, includes, and paging into specification classes instead of scattering Where/Include expressions across the codebase.", "when_to_avoid": ["you use a non-.NET stack or an ORM other than EF Core without an adapter", "your queries are trivial and direct LINQ is sufficient", "you prefer micro-ORMs or raw SQL over repository abstractions"], "when_to_choose": ["you use EF Core with a repository or Clean Architecture style design", "you want query logic centralized and testable via the specification pattern", "you follow domain-driven design in .NET"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/specification", "repo": "ardalis/Specification", "role": "main", "score": 56}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:33.425727+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:41:27.262224+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6d0aab0d0d432b34c05d61c99f9c64fa748c4043e5b23e2fb7982992ded8c29", "fetched_at": "2026-08-28T04:06:33.425727+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ardalis/Specification"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 54, "longevity": 100, "rhythm": 32}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3123, "days_push": 281, "days_rel": 374, "gap_med": 39, "n_releases_24m": 6}, "score": 56, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}